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    Wyświetlanie 1-30 z 30
    Tytuł:
    Production of compound mineral fertilizers as a method of utilization of waste products in chemical company Alwernia S.A.
    Autorzy:
    Malinowski, P.
    Olech, M.
    Sas, J.
    Wantuch, W.
    Biskupsk, A.
    Urbańczyk, L.
    Borowik, M.
    Kotowicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/779328.pdf
    Data publikacji:
    2010
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    nawóz
    nawóz wieloskładnikowy
    produkt odpadowy
    produkt uboczny
    fertilizer
    compound fertilizer
    waste product
    by-product
    Opis:
    The results of investigations on a possible utilization of waste products formed during the production of commercial and food inorganic salts are presented. Application of wastes in the production of compound fertilizers was suggested. The work covered a full research cycle starting from laboratory tests and ending on the production implementation. Fertilizer formulas were developed on the basis of laboratory tests. A possible production of fertilizers of suggested compositions was tested on a pilot plant scale. The compound fertilizer production with the use of waste raw materials was implemented in Chemical Company Alwernia S.A. It reduced the amount of wastes directed to industrial waste site.
    Źródło:
    Polish Journal of Chemical Technology; 2010, 12, 3; 6-9
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Calorific evaluation and energy potential of grape pomace
    Autorzy:
    Burg, P.
    Ludin, D.
    Rutkowski, K.
    Krakowiak-Bal, A.
    Travnicek, P.
    Zemanek, P.
    Turan, J.
    Visacki, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/26344.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    calorific value
    calorific evaluation
    energy potential
    grape pomace
    grapevine
    pomace
    waste product
    Źródło:
    International Agrophysics; 2016, 30, 2
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Life Cycle Assessment and Quality of Utilization of Paint Waste as a Raw Material of Paving Block
    Autorzy:
    Citra, Ari Dina Permana
    Purwanto, Purwanto
    Soenoko, Henna Rya
    Powiązania:
    https://bibliotekanauki.pl/articles/124338.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    life cycle assessment
    waste management
    paint waste
    waste to product
    paving block
    Opis:
    The paint waste from the cosmetics packaging industry was sent to the third party for disposal by paying several management fees for hazardous waste. The use of paint waste as raw material for paving block products can reduce the environmental impacts and provide economic benefits. The life cycle assessment is a tool for measuring the environmental impact of this utilization compared to the management carried out by the third party. There are four scenarios reviewed that consist of third-party management, utilization as raw materials for paving block by the concentration of 1, 2, 3, 4 and 5% respectively. The analysis shows that the utilization of dry paint waste as a raw material for a paving block can reduce the impact of global warming and photo oxidant. The compressive strength value of paving blocks increased with the addition of the dry paint waste with the concentration of 1 and 2%, then a slight decrease in proportion occurred with the addition of paint waste concentration up to 5%. The addition of dry paint waste does not affect the water absorption with a range of 2%, meeting the standard for a paving block.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 2; 89-94
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of water retention on the surface of embankment constructed from the carboniferous waste products
    Autorzy:
    Patrzalek, A.
    Kaszubkiewicz, J.
    Chodak, T.
    Szerszen, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/24367.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Silesian region
    surface
    carbonic rock
    hydrology
    Lower Silesian region
    carboniferous waste product
    water retention
    saturated hydraulic conductivity coefficient
    Źródło:
    International Agrophysics; 2001, 15, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Production of copper powder from electrolysis waste products
    Poluchenie mednogo poroshka iz otkhodov ehlektroliticheskogo proizvodstva
    Autorzy:
    Ryabicheva, L.
    Nikitin, Y.
    Belyanskaya, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/792872.pdf
    Data publikacji:
    2012
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    electrolytic copper
    copper powder
    chemical property
    physical property
    technological property
    ultrasonic dispersion
    waste product
    hydrostatic pressure
    electrolysis
    production
    Źródło:
    Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 4
    1641-7739
    Pojawia się w:
    Teka Komisji Motoryzacji i Energetyki Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Food Waste – Challenges and Approaches for New Devices
    Autorzy:
    Maxianová, Alžbeta
    Jakimiuk, Aleksandra
    Vaverková, Magdalena Daria
    Powiązania:
    https://bibliotekanauki.pl/articles/1839171.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    food waste disposal
    waste destructor
    end product
    soil amendment
    waste circulation
    Opis:
    Food waste has recently received attention due to its environmental, economic and social impacts. Final processing of food waste encounters a number of technical challenges, arising from weak physical structure of food waste with weak porosity, high content of water, and low carbon-to-nitrogen relation. This study deals with the research of food waste processing in households by using an automatic device. The main objective of the study was to assess the toxicity of the end-product produced by an automatic device. The research included 10 experiments. The input foundation consisted of common food waste generated in household kitchens. Following its processing, the end-product was tested in a pot experiment for the germination capacity and biomass increase in different concentrations. The end-product was mixed with the reference soil in concentrations 5/95, 30/70, 50/50 (tested/reference substrate). The testing included three different plant species, i.e. Sinapis alba L., Hordeum vulgare L. and Cannabis sativa L. The germination capacity of plants and their increase in biomass were evaluated after 21 days. The increase in biomass was monitored by using the Before-After-Control-Impact method. The plants developed much better without the end-product additive to the soil substrate than with its small addition. The best germination capacity in the case of end-product addition was observed in the concentration ratio 30/70 in all plants. In spite of this, the highest increase in biomass was recorded in the concentration ratio 5/95. This might have caused the occurrence of mould in the pots. The test shows that the end-product made of food waste is toxic to plants; therefore, it is not recommended for direct application as a soil amendment.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 3; 231-238
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zasada rozszerzonej odpowiedzialności producenta w prawie gospodarki odpadami
    A principle of extended producer’s responsibility in the law of waste management
    Autorzy:
    Korzeniowski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/964874.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    waste management
    producer
    responsibility
    product
    environment protection
    Opis:
    A principle of extended producer’s responsibility in the law of waste management pursues the following aims of the waste management: 1) the maximum decrease in the amount of waste in any type of business and human existence, 2) the immediate reuse of production waste in a manufacturing process, 3) recovery of raw materials from collected waste, 4) application of processes to dispose of waste, 5) orderly waste storage ensuring the least damage to the environment. The overriding objective of this principle is application of legal instruments encouraging producers to undertake activities which will: prevent production of waste, decrease the level of using materials and energy at every stage of a product life cycle and encourage to introduce changes in the phase of a product design and during its manufacture. Broadly speaking, a principle of extended producer’s responsibility is connected with a producer’s financial liability for a product. In a legal structure of the extended producer’s responsibility we deal with preventive liability. This principle completes a principle of incurring costs of waste management.
    Źródło:
    Acta Universitatis Lodziensis. Folia Iuridica; 2015, 74
    0208-6069
    2450-2782
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Iuridica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilization of waste gypsum in fertilizer production
    Autorzy:
    Malinowski, P.
    Borowik, M.
    Wantuch, W.
    Urbańczyk, L.
    Dawidowicz, M.
    Biskupski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/779089.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    fertilizer
    adduct
    gypsum
    waste
    by-product
    magnesium sulphate
    Opis:
    The results of the study regarding utilization of the waste gypsum formed as a by-product during the production of the magnesium sulphate from dolomite have been presented. The use of this waste have been proposed for the production of granulated multi-component fertilizers containing 25% N; 8% S; 14% CaO and 3.5% MgO. In the process of fertilizer production, the urea which will be bounded with the calcium and magnesium sulphate from the waste in the form of adducts of CaSO4 . 4CO(NH2)2 and MgSO4 . CO(NH2)2 . 3H2O will be the source of nitrogen in the fertilizer. It has been stated on the basis of the laboratory tests that the fertilizer with the assumed composition can be obtained by means of granulation of the raw material pulp, along with the dried and ground product return. The possibility of the production of the fertilizer with good physical properties according to the assumed concept has been confirmed in the pilot scale.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 1; 45-47
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Addition Glycerol Plasticizer to the Characteristics of Catfish (Pangasius sp.) Surimi Protein Edible Film
    Autorzy:
    Frasisca, Silvi
    Rostini, Iis
    Suryana, Asep Agus Handaka
    Pratama, Rusky Intan
    Powiązania:
    https://bibliotekanauki.pl/articles/1031894.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Catfish
    Pangasius
    biodegradable
    intermediate product
    japanese industrial standard
    waste
    Opis:
    Catfish (Pangasius sp.) is a freshwater fish commodity that is processed into filet. The development of the catfish fillet industry has generated a lot of waste. One of the uses is making surimi, but not all surimi produced is of high quality. Surimi is an intermediate product that has undergone a process of washing, pressing, and freezing. Surimi with low quality can be improved as raw material for making edible films. Edible film is a thin layer made of material that is safe for consumption and biodegradable. This research aims to determine the best concentration of glycerol as a plasticizer in the catfish surimi protein edible film and to determine the characteristics of the edible film produced. The method that was used in this research is the experimental method with Completely Randomized Design (CRD) with three treatments and three repeats of addition glycerol plasticizer concentrations are 0.6%, 0.8%, and 1.0%. The parameters observed were thickness, tensile strength, elongation, transparency, and solubility. The resulting data were analyzed using ANOVA and continued with the Duncan test (α = 5%). The results showed that edible film with the addition of 1.0% glycerol plasticizer concentration has the best characteristics based on Japanese Industrial Standard (JIS) and statistic analysis with a thickness of 0.068 mm, tensile strength of 402.02 kgf / cm2, elongation of 33.3%, clarity of 98.06% and transparency of 1.94.
    Źródło:
    World News of Natural Sciences; 2020, 30, 2; 243-256
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Smart design upcycling of post-production display panels into new creative materials to support the sustainable development of a circular economy in the furniture industry
    Autorzy:
    Grotowska, Małgorzata
    Beer, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/30146159.pdf
    Data publikacji:
    2023
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    sustainability
    upcykling,
    wood waste
    eco design
    green product
    furniture
    Opis:
    Smart design upcycling of post-production display panels into new creative materials to support the sustainable development of a circular economy in the furniture industry. The economy is currently transforming from a linear economy to a circular economy. This is increasingly supported by policy, legislation, industry, and academia. A circular economy means more efficient management of renewable natural resources, which has implications for businesses’ bioeconomies, as expressed in the sustainable development goals of the United Nations’ 2023 Agenda. Our study contributes to solving a research gap by seeking to answer several questions: How can post-production residues be used to improve a company’s bioeconomy? Can they bring profit to a company while saving natural wood? Is upcycling using the smart design of post-production a helpful solution for material and cost savings in the bioeconomy? The outcome of our study is twofold. From a creative input perspective, we show the creative possibilities of upcycling production residues. For business models, we refine the conceptualisation of a sustainable SME circular bioeconomy through the profit gained from such a product solution. Based on our research, we present conclusions and suggestions for small and medium-sized enterprises, scientists, designers, and technologists to help the furniture industry transition from a linear economy to a sustainable circular economy. This promotes company profitability and growth and helps to save natural wood.
    Źródło:
    Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology; 2023, 122; 36-46
    1898-5912
    Pojawia się w:
    Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distilled Spirit Extraction of Phenolic Antioxidants from Fruit and Vegetable Residues
    Autorzy:
    Ortinero, Cesar V.
    Rafael, Rosalie R.
    Rayos, Charmaine Eljie R.
    Bautista, Katherine D. A.
    Feliciano, Mark Aldren M.
    Natividad, Lexter R.
    Natividad, Gaudencio M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1839552.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    phenolics
    antioxidant
    waste valorization
    agricultural by-product
    distilled spirit
    Opis:
    There is a growing interest in natural antioxidants due to their potential in improving the quality of food and cosmetic products and their health-promoting properties. Distilled spirits contain high amount of ethanol and may be an alternative to the food-grade solvents, while agricultural by-products contain phenolic substances that may have antioxidant properties. This study was therefore conducted to find out if gin, vodka, and tequila flavored spirit, alcoholic beverages with about 40% ethanol, can extract the phenolic compounds from agricultural by-products, and to determine if the extracts possess the antioxidant activity. Peels of ripe banana (Musa acuminata), ripe mango (Mangifera indica), calamansi (Citrofortunella microcarpa), squash (Cucurbita maxima), ripe pineapple (Ananas comosus), purple yam (Dioscorea alata), and sweet potato (Ipomea batatas) were collected, dried, and ground. The phenolic substances in the plant materials were extracted with alcoholic beverages or 40% ethanol. The total phenolic content (TPC) of the extracts was determined by means of UV-Vis spectroscopy using Folin-Ciocalteau reagent and gallic acid as reference compound. The antioxidant activity of the extracts was evaluated through the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay. Butylated hydroxyanisole (BHA) served as positive control in the DPPH assay. Non-linear regression was applied to the DPPH assay data to estimate the values of median effective concentration (EC50). All three alcoholic beverages were able to extract the phenolic materials from the plant samples. However, the ability of vodka and gin to extract the phenolic substances was either statistically comparable or better than 40% ethanol. The results of the DPPH scavenging assay showed that the M. indica peel had the strongest activity, while C. microcarpa had the weakest scavenging activity. At 1000-ppm level, the antioxidant activity of the M. indica peel was comparable with that of BHA, regardless of the solvent used for extraction. Therefore, the M. indica peel can be a source of natural antioxidants and potential substitute to synthetic antioxidants. Both gin and vodka can be used as a substitute for food-compatible solvents.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 1; 125-131
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gospodarka o obiegu zamkniętym i przeobrażenia prawa o odpadach Unii Europejskiej
    Circular economy and the transfiguration of EU waste law
    Autorzy:
    Karpus, Karolina
    Powiązania:
    https://bibliotekanauki.pl/articles/46614743.pdf
    Data publikacji:
    2023
    Wydawca:
    Wydawnictwo Uniwersytetu Śląskiego
    Tematy:
    circular economy
    waste management
    product standard
    right to repair
    Opis:
    European Green Deal and the 8th EAP accelerated transformation of socio-economic life towards Circular Economy. Waste management may serve as an example illustrating this progression. The transfigurations of EU waste law, motivated by it, are designed in the light of the concept of Extended Producer Responsibility. The aim of the article is to use waste management as a case study of the legal aspects of integrated environmental approach applied in that regard. After enactment of the EGD and the new Circular Economy Action Plan, these aspects can already be identified.
    Źródło:
    Prawne Problemy Górnictwa i Ochrony Środowiska; 2023, 1; 1-22
    2451-3431
    Pojawia się w:
    Prawne Problemy Górnictwa i Ochrony Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flexible Design of Garment Styles to Support the Minimal Waste Concept in the Fashion Industry
    Autorzy:
    Vilumsone-Nemes, Ineta
    Pešić, Marija
    Csanák, Edit
    Powiązania:
    https://bibliotekanauki.pl/articles/24200974.pdf
    Data publikacji:
    2023
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
    Tematy:
    garment designing
    minimal waste design
    textile waste
    environmental problem
    fabric use efficiency
    product cost
    Opis:
    Currently, the design of garment styles is weakly supporting the MWD concept. It is kept fixed during all its very changeable manufacturing process, thereby increasing pre- and post-consumer fabric wastes. To improve the situation the final values of construction parameters which influence fabric use efficiency should be determined for every unique production order only in the garment manufacturing process. Four garment styles were tested to see how light changes in their width and length influence fabric use efficiency. Even minimal reduction of these parameters can give noticeable fabric savings. Different values of these parameters create slightly different shapes of pattern pieces, and with it, give a huge number of new possibilities to create more efficient production markers. The authors found a way how to make the garment designing process more efficient, as well as, to create a “virtual bridge” between garment designing and the manufacturing phase. Both improvements could give serious benefits: reduced fabric use and product price, as well as, reduced pre- and post-consumer textile material wastes.
    Źródło:
    Fibres & Textiles in Eastern Europe; 2023, 31, 3; 64--73
    1230-3666
    2300-7354
    Pojawia się w:
    Fibres & Textiles in Eastern Europe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Problem of improvement the quality of products with use industrial waste
    Autorzy:
    Sitko, J.
    Biały, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/114974.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    process
    product
    waste
    produkcja stali
    odpady hutnicze
    żużel metalurgiczny
    żużel
    Opis:
    Steel is dominating construction materials applied in different branch of economies. How the studies concerning perspective development are passing all construction materials position of steel still long not changing. Very steel is friendly to the environment, but her waste (scrap) it is possible to process again into the functional product. The steel production is very much material and energy intensive. Over half of materials and raw materials entered into integrated manufacturing processes of steel (large stove-converter) is creating by products on the exit, waste. The article constitutes the inspection of raw material potential once possibilities using waste.
    Źródło:
    Zeszyty Naukowe. Quality. Production. Improvement; 2017, 1 (6); 118-124
    2544-2813
    Pojawia się w:
    Zeszyty Naukowe. Quality. Production. Improvement
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Combustion of plywood waste in a low-power boiler
    Spalanie odpadów sklejkowych w urządzeniu energetycznym małej mocy
    Autorzy:
    Cichy, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/52565.pdf
    Data publikacji:
    2012
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
    Tematy:
    wood waste
    waste recycling
    combustion process
    bioenergy
    biomass burning
    combustion product emission
    plywood waste
    low-power boiler
    combustion gas
    Opis:
    The article presents the results of experiments aimed at the identification of the influence of the share of phenol and amine resins in burnt fuel mixtures from wood waste along the basic parameters of the process of their thermal oxidation in a low- -power boiler. Differences in the composition of combustion gases from the burning of waste from “virgin” wood and plywood manufactured using urea-formaldehyde (UF) and phenol-formaldehyde (PF) glues were observed.
    Zbadano wpływ udziału żywic fenolowych i aminowych w spalanych mieszankach odpadów drzewnych na kształtowanie się podstawowych parametrów procesu ich spalania w urządzeniu kotłowym małej mocy. Badania prowadzono na laboratoryjnym stanowisku badawczym składającym się z paleniska retortowego o mocy 50 kW odpowiednio oprzyrządowanego. Ocenę składu gazów spalinowych prowadzono przy pomocy przenośnego analizatora spalin wyposażonego w cele elektrochemiczne. Materiałem badawczym były odpady sklejki wodoodpornej (zaklejanej klejem fenolowym – PF), suchotrwałej (zaklejanej klejem mocznikowym – UF) oraz odpady „czystego” drewna. W trakcie eksperymentu zmieniano ilości dozowanego do paleniska powietrza w zakresie 50–140 m3. Stwierdzono, że spalaniu paliw drzewnych zawierających fenolowe żywice klejowe towarzyszyła wyższa zawartość tlenku węgla i węglowodorów, w porównaniu z paliwami zawierającymi żywice mocznikowe i „czyste” drewno. Zwiększanie ilości dozowanego powietrza przy spalaniu sklejki fenolowej powodowało znaczący spadek emisji tlenku węgla i węglowodorów w porównaniu z paliwami zawierającymi żywice mocznikowe, spalanymi w ten sam sposób. Przy spalaniu sklejki mocznikowej i dozowaniu powietrza z prędkością 140 m3/h stwierdzono około trzy razy wyższą zawartość tlenków azotu w gazach spalinowych w porównaniu z „czystym” drewnem i sklejką fenolową. Dodatek sklejki fenolowej do spalanej sklejki mocznikowej przy dozowaniu powietrza do paleniska z prędkością 140 m3/h spowodował znaczący spadek emisji Nox.
    Źródło:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2012, 55, 187
    1644-3985
    Pojawia się w:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Possibilities of recovery of fine-fraction energy waste from fluidized bed boilers in underground mining for liquidation of underground workings
    Autorzy:
    Popczyk, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/24202575.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    mining
    fly ash
    by-product utilization
    waste management
    hydro-mixture
    Opis:
    Currently, the Polish power industry is mainly based on solid fuels, such as hard coal and lignite, and there is a problem with the management of significant amounts of combustion waste. One of the directions of recovery of these types of waste is underground hard coal mining operations, where the general problem of their management is the variability of physical and chemical properties resulting from the combustion of fuels of different parameters in power boilers with different exhaust gas cleaning solutions, mainly desulphurization methods. One of the solutions for energy production currently in use is the combustion of coal in fluidized bed boilers, in which the so-called dry desulfurization method is adopted. As a result of this process, a fine-fraction waste with the European code 10 01 82 is created, which is characterized by pozzolanic features, enabling its use wherever specific strength parameters are expected from the material. One such technology is the liquidation of underground workings based on the pouring of a hydro-mixture into the fenced-off space of the workings using a gravity-fed pipeline. The space to be filled is fenced off by closing it on both sides with dams, usually made of brick walls, located at an appropriate distance. It should be taken into account that the hydro-mixture will tend to slow the sedimentation of solid particles on the spreading path, and working may have a variable slope. The paper presents the results of laboratory tests of the physical and mechanical properties of hydro-mixtures made on the basis of selected energy waste from a fluidized bed boiler, along with a practical example of its application for the liquidation of underground workings.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 72 (144); 133--140
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bioleaching of sulfide containing material from the Wiśniówka Quarry: stability and adhesion of secondary products
    Autorzy:
    Pawlowska, Agnieszka
    Sadowski, Zygmunt
    Winiarska, Katarzyna
    Powiązania:
    https://bibliotekanauki.pl/articles/2146913.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    bioleaching
    As-bearing waste
    secondary product
    jarosite
    adhesion
    stability
    zeta potential
    Opis:
    Secondary products (minerals) formed during bioleaching play an essential role in this process. Their adhesion to the surface of leached grains can inhibit bioleaching. For this reason, it is crucial to know the physicochemical conditions of adhesion. Selected material from the Wiśniówka Quarry (Kielce, Poland) with increased content of sulfides was subjected to microbial leaching. A precipitate collected from a bacterial culture was used as a secondary product (mainly jarosite). Adhesion and bio-extraction tests were carried out in a column reactor with a mineral bed (particle size 0.8 - 1.2 mm). The cationic surfactant (CTAB), anionic surfactant (SDS), and rhamnolipids (RL) were used to modify the surface of minerals and secondary products. Changes in the surface properties were determined with zeta potential measurements. The cationic surfactant above the 0.5 mM caused stability of jarosite suspension. Also, bioleaching efficiency was the highest for mineral surfaces modified by CTAB. The quantitative interpretation of the adhesion of the secondary product to bioleach mineral material was carried out.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2022, 58, 4; art. no. 149884
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The removal of asbestos and asbestos-containing products as the component of waste management
    Autorzy:
    Łuniewski, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/96285.pdf
    Data publikacji:
    2017
    Wydawca:
    Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
    Tematy:
    azbest
    usuwanie azbestu
    zarządzanie odpadami
    asbestos
    asbestos removal
    asbestos product
    waste management
    Opis:
    Asbestos is a set of naturally occurring minerals. They belong to the amphibole class and to the serpentine class. Chemically, they are hydrated iron-magnesium aluminosilicates that are frequently composed of Ni2+, Ca2+, Na+, Mn4+. In nature their number is approx. 150 (Pyssa, 2014). For years asbestos has been used for construction purposes due to its insulation and fireproofing properties. Owing to its carcinogenic effect on the living organisms, asbestos was considered as the harmful raw material, the usage of which in housing began to be banned and the removal of asbestos from both man’s existence and from the natural environment began to be necessary. These issues are regulated by legislative regulations on waste management on both the EU level and the national level.
    Źródło:
    Ekonomia i Środowisko; 2017, 3; 146-158
    0867-8898
    Pojawia się w:
    Ekonomia i Środowisko
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary assessment of the susceptibility of selected animal waste to stabilization in the Fenton process
    Autorzy:
    Janda, Anna
    Marcinkowski, Tadeusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2032887.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    Fenton process
    animal waste
    by-product
    proces Fentona
    odpady zwierzęce
    produkt uboczny
    Opis:
    The stabilization of post-slaughter soft animal waste with Fenton’s reagent has been studied. Crude waste was characterized by a high content of fat (581.8 g/kg d.m.) and proteins (264.5 g/kg d.m.), and the share of organic mass constituting 93.6% of d.m. The stabilization was investigated in two reaction variants using various dozes of oxidant (100–1000 cm3/kg/d.m.) and Fe2+:H2O2 molar ratios (1:10, 2:10 and 4:10), for a period of 1 day. During the stabilization, an increase in the solubility of FeSO4·7H2O in waste was observed, probably due to the binding of Fe2+ ions in ferroorganic ligands. The dynamics of the process and the efficiency of the decomposition of organic compounds increased with increased doses of reagents. The biggest loss of organic mass was recorded for the stabilization variant without initial acidification of the reaction environment. The studies confirm the possibility of disregarding the preacidification step of stabilized waste without adversely affecting the oxidation efficiency of organic compounds. A high degree of reduction in protein and fat concentrations with a low organic mass loss are evidence of incomplete oxidation of these compounds.
    Źródło:
    Environment Protection Engineering; 2020, 46, 4; 5-20
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Legacy of Fordism and Product Life Cycle Management in the Modern Economy
    Autorzy:
    Bednarek, Mariusz
    Parkes, Aneta
    Powiązania:
    https://bibliotekanauki.pl/articles/1841435.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Fordism
    Post-Fordism
    Neo-Fordism
    mass production
    mass waste
    Product Life Cycle Management
    Opis:
    The industrial revolution taking place since the 18th century has brought the global economies to the stage of mass production, mass industrialization and spreading ideas connected with its efficiency. The most famous of its kind is Fordism and its modern variations called PostFordism or Neo-Fordism. We can still see traditional way of producing things in some parts of the world, and the leading economies are using Ford’s ideas or the modifications of the Ford’s concepts. But there is a question about the place of these models in the modern economy, especially because mass-production causes mass-waste and modern societies has woken up to the reality of the global pollution, climate change or just the simple fact that the amount of the raw materials is limited. The social mood is slowly changing so there should be a change to the way we produce and consume things as well. There is a question: can we proceed within existing models or should we think outside the box so we can invent more suitable way of looking at efficiency and effectiveness. The objective of this paper is to contribute to the discussion about the future of how are we going to produce things. It is based on the literature review considering Fordism and its variations, Product Life Cycle facing issues like pollution, massive waste and changes in modern economy, as well as on the case study of implementing waste reduction activities in the product’ design phase in the industrial plant based in one of the EU countries – Poland.
    Źródło:
    Management and Production Engineering Review; 2021, 12, 1; 61-71
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the process of combustion of post-consumer wood using quantitative assessment indicators
    Autorzy:
    Kajda-Szczesniak, M.
    Jaworski, T.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/52376.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
    Tematy:
    postconsumer wood
    wood
    fuel property
    combustion
    gas emission
    combustion product
    quantitative assessment
    waste combustion
    Źródło:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2016, 59, 196
    1644-3985
    Pojawia się w:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of dairy cooperatives in reducing waste of dairy products in the Lubelskie voivodeship
    Autorzy:
    Zuba-Ciszewska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/43481.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
    Tematy:
    dairy cooperative
    dairy product
    waste
    loss
    reducing
    local market
    regional dairy chain
    Lublin voivodship
    Źródło:
    Journal of Agribusiness and Rural Development; 2018, 47, 1
    1899-5241
    Pojawia się w:
    Journal of Agribusiness and Rural Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Towards improved management within the cottage industry: Product Lifecycle Management case
    Autorzy:
    Saad, Aberkane Mohammed
    Youness, Farhane
    Powiązania:
    https://bibliotekanauki.pl/articles/27315580.pdf
    Data publikacji:
    2023
    Wydawca:
    STE GROUP
    Tematy:
    Product Lifecycle Management
    waste of raw materials
    needs map
    a survey
    levers and benefits
    Opis:
    Product Lifecycle Management remains a strategy that aims to strengthen the capabilities and competitive advantages of the company. Its implementation and its adoption depend on the problems that are brought back to be solved by this tool as well as its acceptance by the companies that will implement it. Hence, we like to introduce this approach within the cottage industry to improve its competitiveness. For this, we are going to present this article as being the first step towards the introduction of this strategy within the craft sector. So, we aim to investigate the problems faced by the craft sector, the levers favoring the establishment of this kind of approach and to analyse the independence between the problems investigated, the nature of the companies interviewed and their sector of activity. Data was gathered from surveys of 132 craft industries the primary data analysis was performed using excel and SPSS techniques and chi square test. The results affirm that the management and communication problems, as well as problems related to the raw material waste, are the most dominant in the sector. Moreover, our study shows that the problems faced by the sector are independent towards the nature of the company and the sector of activity.
    Źródło:
    Management Systems in Production Engineering; 2023, 2 (31); 102--110
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary research on the effect of lime addition on the rheology of sludge
    Autorzy:
    Malczewska, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/60689.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    sludge treatment
    lime
    rheology
    flow curve
    rheological model
    rheological parameter
    waste water treatment
    sewage treatment product
    hydration
    Opis:
    Samples of excess sludge from wastewater treatment plants were investigated in order to determine the dependence of rheological parameters of sewage sludge on lime addition. Hydration of the sludge is one of its main features which determine sludge management and waste disposal cost. The rheological behavior of sludge is a key characteristic, since it determines the treatment processes. This research has evaluated the use of rheological properties for characterization and control of sludge and lime mixture flow behaviour. A laboratory investigation was conducted using rotating coaxial cylinder and several different gravimetric oncentrations of the investigated sludge. In order to describe the rheological characteristics, the 3-parameter Herschel-Bulkley model was applied. Rheological characterization is of great importance in sludge management, both in terms of biomass dewatering and stabilizing properties, and in terms of design parameters for sludge handling operations.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2011, 11
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ parametrów technologicznych procesu granulowania bezciśnieniowego na kształt granulatu z odpadów pokrzywy
    Influence of technological parameters of non-pressure granulation on the shape of nettle waste granules
    Autorzy:
    Obidzinski, S.
    Miastkowski, K.
    Berestiuk, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/36646.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    pokrzywa zwyczajna
    Urtica dioica
    odpady roslinne
    granulowanie
    granulaty
    parametry technologiczne
    ksztalt
    stinging nettle
    plant waste
    granulation
    granulated product
    technological parameter
    shape
    Opis:
    Jednym z roślinnych odpadów poprodukcyjnych, generowanych przez zakłady Herbapol w Białymstoku, są drobnoziarniste odpady pokrzywy powstające podczas ich segregowania i pakowania. W artykule przedstawiono wyniki badań wpływu parametrów technologicznych procesu granulowania bezciśnieniowego na kształt granulatu z odpadów pokrzywy. Proces granulowania przeprowadzono z wykorzystaniem nowatorskiego układu mieszająco-granulująco-dozującego stosowanego jako układ podający materiał roślinny do układu zagęszczającego urządzenia granulująco-brykietującego z matrycą płaską. Budowa układu pozwala na jednoczesną realizację zarówno operacji mieszania, jak i bezciśnieniowego granulowania pylistych frakcji przetwarzanego materiału. W badaniach określono wpływ prędkości obrotowej cylindra wewnętrznego układu mieszająco- granulująco-dozującego (25, 40, 55 obr·minˉ¹), wpływ ilości lepiszcza dodawanego do odpadów pokrzywy (10, 20, 30%) oraz wpływu zawartość skrobi w wodnym roztworze lepiszcza (0, 10, 20%) na kształt uzyskanego granulatu (wartość współczynników kształtu cząstek). Badania przeprowadzono przy masowym natężeniu przepływu zagęszczanego surowca 8 kg·hˉ¹. Uzyskane wyniki badań pozwoliły stwierdzić, że zwiększenie prędkości obrotowej cylindra granulacyjnego wpływa na zwiększenie jednorodności granulatu określonego za pomocą współczynnika kształtu. Wraz ze wzrostem ilości lepiszcza dodawanego w procesie granulacji zmniejsza się zróżnicowanie współczynnika kształtu cząstek. Natomiast zwiększenie zawartości skrobi w lepiszczu nie wpływa znacząco na rozkład granulometryczny pod względem współczynnika kształtu. Różnice w udziałach ilościowych wynoszą jedynie 2 do 5%.
    One of the vegetable waste products generated by the Herbapol company in Białystok is fine-grain nettle waste generated during sorting and packaging. The article presents the results of research on the impact of technological parameters of the non-pressure granulation process on the shape coefficient of nettle waste granules. The granulation process was conducted using a new mixing-granulation-dosing system which is used as a delivery system of plant material to the pelleting-briqueting densification device with flat matrix. The design of the system allows simultaneous implementation of both the blending operation and non-pressure granulation of the powdery fraction of the processed material. The effect of the rotational speed of the inner cylinder of the mixing-granulation-dosing system (25, 40, 55 min·revˉ¹), the influence of binder amount added to nettle waste (10, 20, 30%) and the effect of starch content in the aqueous solution of the binding agent (0, 10, 20%) on the morphology of obtained granules (particle shape coefficient) were determined during the studies. Test was conducted with mass flow rate of the compacted raw material of 8 kg·hˉ¹. The obtained results led to the conclusion that an increase in the rotational speed of the granulation cylinder increases the homogeneity of the granulate as determined by the shape coefficients. Increasing the amount of binder added during the granulation process reduces the differentiation of particle shape coefficients. Whereas, an increase of starch content in the binder does not significantly affect the particle size distribution in terms of particle shape coefficients. Differences in the quantitative proportions are only 2 to 5%.
    Źródło:
    Acta Agrophysica; 2016, 23, 3
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Condition of circular economy in Poland
    Stan gospodarki obiegu zamkniętego w Polsce
    Autorzy:
    Kledyński, Z.
    Bogdan, A.
    Jackiewicz-Rek, W.
    Lelicińska-Serafin, K.
    Machowska, A.
    Manczarski, P.
    Masłowska, D.
    Rolewicz-Kalińska, A.
    Rucińska, J.
    Szczygielski, T.
    Walczak, J.
    Wojtkowska, M.
    Zubrowska-Sudol, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/231216.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    gospodarka obiegu zamkniętego
    odpady komunalne
    budownictwo
    gospodarka ściekowa
    zasoby pierwotne
    energetyka węglowa bezodpadowa
    produkt spalania uboczny
    circular economy
    municipal waste
    construction
    wastewater management
    primary resources
    zero-waste coal power
    combustion by-product
    Opis:
    W niniejszym artykule przeglądowym przedstawiono stan gospodarki obiegu zamkniętego (GOZ) w Polsce. Pokazano GOZ w zróżnicowanym ujęciu: przedmiotowym (strumienie odpadów, energia), sektorowym (budownictwo, oczyszczalnie ścieków, energetyka węglowa) i zasobowym (minerały antropogeniczne, fosfor), a także pod kątem właściwego gospodarowania energią w budownictwie (budynki niemal-zero-energetyczne).
    The manuscript presents the condition of circular economy in Poland in diversified approach: subjective (waste streams, energy), sectoral (construction, wastewater treatment, coal energy), related to the resources (phosphorous and anthropogenic minerals) and considering proper energy management (almost zero energy buildings). The achievements reached in different sectors as well as the requirements towards implementation of CE are presented. The advancement of recycling technologies does not deviate from the global level, in terms of areas specific to Poland. Limiting the exploitation of natural resources and usage of new materials as well as producing more durable products are of CE concern. Also energy and heat recovery in buildings and technological processes (e.g. during wastewater treatment), ways of utilization of combustion by-products and water decarbonization waste are described. The implementation of CE in Poland needs not only research and technical activities, but also the modification of technological processes, the right policy, overcoming crosssectoral barriers, developing legal regulations and support schemes for CE.
    Źródło:
    Archives of Civil Engineering; 2020, 66, 3; 37-80
    1230-2945
    Pojawia się w:
    Archives of Civil Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of ProBio Original TM (EM-Farming TM) on the composting process of biodegradable waste; its influence on final product quality and quantity
    Autorzy:
    Hlisnikovsky, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/61550.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    composting process
    biodegradable waste composting
    final product
    quality
    quantity
    organic matter
    bioactive additive
    ProBio Original preparation
    garden composter
    compost quality
    nutrient concentration
    temperature
    chemical analysis
    Opis:
    The aim of this experiment was to establish the effect of the ProBio OriginalTM preparation (hereinafter "preparation") on the composting process of biologically degradable waste in garden composters. The first stage of research was focused on the effect of different concentrations of the preparation onto the composting process in garden composters. Monitored parameters were the effect of the preparation on the course of temperatures during the composting process, material volume decrease and effect on the quality of the composted material. The input raw material was freshly cut grass provided by Centrální kompostárna (Central Composting Plant) Brno, a.s. The experiment was carried out in five garden composters (290 L) for a period of 13 weeks. Three composters were enriched with the preparation at different concentrations, two of them were reference composters. During the experiment, the course of the composting process was monitored (temperature, loss in material volume) as well as the compost quality (C/N ratio, nutrients, heavy metals).During the experiment, a positive influence was observed of the preparation on the course of temperature in the composters. The enriched composters reached in the mineralization phase the thermophilic temperature ranges for a period of two weeks. The rate of composted material volume reduction in the composters with the preparation was higher than that in the reference composters. Moreover, a positive effect of the preparation was observed on the compost quality. As compared with composts from the reference composters, Ca and Mg concentrations in the resulting compost from the enriched composters were higher. The effect of the preparation on the concentration of other nutrients was not demonstrated.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2011, 11
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fulfilment of the recovery and recycling obligations by entrepreneurs in Podkarpackie Province
    Realizacja obowiązku odzysku i recyklingu przez przedsiębiorców w województwie podkarpackim
    Autorzy:
    Przewoźnik, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/385755.pdf
    Data publikacji:
    2011
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    opłata produktowa
    odzysk
    recykling odpadów opakowaniowych
    recykling odpadów poużytkowych
    opakowania
    organizacje odzysku
    product fee
    recovery of packaging
    recycling of packaging
    post-use waste
    packaging
    recovery organisations
    Opis:
    The article presents binding legal regulations governing entrepreneurs’ obligations as regards recovery and recycling of packaging and post-use waste. It shows fee rates, recovery and recycling levels for packaging in the years 2007–2009. It gives examples of calculating the product fee that according to the Act must be paid by entrepreneurs for 2007, 2008 and 2009. The author of the article elaborates on regulations that must be complied with by the entrepreneurs who pack products and place them on the market. Furthermore, the article shows how the obligations imposed by the Act on obligations of the entrepreneurs as regards management of certain waste and on product fee are met in Podkarpackie Province.
    Artykuł przedstawia obowiązujące akty prawne, określające obowiązki przedsiębiorców w zakresie odzysku i recyklingu odpadów opakowaniowych i poużytkowych. Podane zostały stawki opłat oraz poziomy odzysku i recyklingu opakowań w latach 2007–2009. Pokazano przykłady wyliczeń opłaty produktowej za lata 2007, 2008 i 2009, którą ustawa nakłada na przedsiębiorców. W artykule omówiono przepisy, jakie powinni stosować przedsiębiorcy, którzy pakują produkty i wprowadzają je na rynek. Przedstawiono realizację powinności wynikających z ustawy o obowiązkach przedsiębiorców w zakresie gospodarowania niektórymi odpadami oraz o opłacie produktowej na terenie województwa podkarpackiego.
    Źródło:
    Geomatics and Environmental Engineering; 2011, 5, 4; 73-84
    1898-1135
    Pojawia się w:
    Geomatics and Environmental Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rozporządzenie REACH a odpady – gdzie tkwią problemy?
    REACH Regulation vs. waste – where are the problems embedded in?
    Autorzy:
    Krześlak, A.
    Palczewska-Tulińska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/142300.pdf
    Data publikacji:
    2014
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Przemysłu Chemicznego. Zakład Wydawniczy CHEMPRESS-SITPChem
    Tematy:
    rozporządzenie REACH
    chemikalia
    ustawa o odpadach
    odpady
    odzysk
    rejestracja substancji
    wprowadzenie do obrotu
    produkt uboczny
    utrata statusu odpadu
    uboczne produkty spalania węgla
    żużle i popioły
    pasta ołowiowa
    odpad niebezpieczny
    Biuro ds. Substancji Chemicznych
    REACH regulation
    chemicals
    Waste Act
    waste
    recovery
    substance registration
    placing on the market
    by-product
    cease to be waste
    coal combustion by-products
    slag and ashes
    leaded paste
    hazardous waste
    Bureau for Chemical Substances
    European Chemicals Agency
    Opis:
    W publikacji omówiono główne problemy dotyczące braku spójności legislacji odpadowej z wymaganiami rozporządzenia REACH. Wymieniono bardziej istotne zapisy odnoszące się do odpadów w rozporządzeniu REACH oraz legislacji odpadowej. Następnie dokonano analizy pod kątem istniejących konsekwencji zapisów prawa, ze szczególnym uwzględnieniem pojęcia „produktu ubocznego” oraz „odpadu, który utracił status odpadu” oraz sytuacji energetyki zawodowej, dotkniętej jako pierwsza branża problemem braku spójności w istniejących zapisach. Na koniec przedyskutowano kwestię braku pragmatycznego podejścia do zapisów prawnych na przykładzie importu pasty ołowiowej, która miała służyć jako uzupełniający surowiec w produkcji akumulatorów. Artykuł zakończono wnioskami oraz podsumowaniem w postaci cytatów pochodzących od respondentów Punktu Konsultacyjnego ds. REACH i CLP Ministerstwa Gospodarki.
    The problems concerning lack of the consistency between waste legislation and REACH regulation requirements have been discussed. The most important provisions referring to REACH and waste legislation have been mentioned. Then the assessment of consequences of legal provisions with particular attention to the term „by-product” and „waste ceased to be waste” has been made. Also situation of power industry affected as the first sector by inconsistency in existing legal provisions has been analyzed. Finally question of lack of pragmatic approach to the legal provisions has been raised on the example of import of leaded paste to be used as supplementary feedstock for the production of car batteries. Article includes conclusions in the end and summing up in the shape of some quotes originating from respondents of the REACH & CLP Consulting Point of the Polish Ministry of Economy.
    Źródło:
    Chemik; 2014, 68, 10; 821-830
    0009-2886
    Pojawia się w:
    Chemik
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie popiołów lotnych jako składników hydraulicznych spoiw drogowych
    Utilization of fly ashes as hydraulic road binders components
    Autorzy:
    Gawlicki, M.
    Rypa, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/392388.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Ceramiki i Materiałów Budowlanych
    Tematy:
    popiół lotny
    spoiwo drogowe
    spoiwo hydrauliczne
    energetyka
    wykorzystanie odpadów
    spoiwo popiołowo-cementowe
    produkt uboczny spalania
    fly ash
    road binder
    hydraulic binder
    power industry
    waste utilization
    fly ash-cement binder
    combustion by-product
    Opis:
    W artykule przedstawiono wyniki badań podstawowych właściwości użytkowych spoiw popiołowo-cementowych, które mogą być wykorzystane w drogownictwie oraz dokonano ich klasyfikacji w oparciu o kryteria normy PN-EN 13282-2:2015-06. Do przygotowania spoiw obok cementu portlandzkiego wykorzystano popioły lotne z konwencjonalnego kotła pyłowego, popioły lotne z cyrkulacyjnego kotła fluidalnego oraz mieszaniny tych popiołów o stosunku masowym 1:1. Stwierdzono, że wprowadzenie do mieszanki spoiwowej już 8% cementu pozwala na uzyskanie spoiwa popiołowo-cementowego o wytrzymałości odpowiadającej klasie spoiwa N1 według PN-EN 13282-2:2015-06. Wzrost zawartości cementu portlandzkiego w spoiwach zwiększa ich wytrzymałość. Mieszanki spoiwowe zawierające 25–30%, 35–40% i 50% cementu portlandzkiego klasyfikowane są odpowiednio jako spoiwa klasy N2, N3 i N4.
    The paper presents results of studies on functional properties of Portland cement-fly ash binders, that can be used for road engineering. The binders were also classified in accordance with PN-EN 13282-2:2015-06 standard. Portland cement, as well as fly ashes from a conventional pulverized fuel fired boiler, fly ashes from a circulation fluidized bed boiler and 1:1 ratio by mass mixtures of both types of ashes, were used to prepare the binders. It was found that addition of only 8% of Portland cement allows to obtain Portland cement-fly ash binder with a compressive strength of a strength class for N1 binder according to PN-EN 13282-2:2015-06 standard. An increase of Portland cement content in binders improves their strength. Binding mixtures containing 25–30%, 35–40% and 50% of Portland cement are classifified accordingly as binders of classes N2, N3 and N4.
    Źródło:
    Prace Instytutu Ceramiki i Materiałów Budowlanych; 2016, R. 9, nr 27, 27; 7-15
    1899-3230
    Pojawia się w:
    Prace Instytutu Ceramiki i Materiałów Budowlanych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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