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Tytuł:
Optimal Mass Diffusion Transfer in Solids Using Heat Transfer Similarities
Autorzy:
Jaber, Samar
Alahmer, Ali
Borowski, Gabriel
Alsaqoor, Sameh
Powiązania:
https://bibliotekanauki.pl/articles/957972.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
diffusion transfer
Fick's Law
diffusion resistance
transfer dyfuzyjny
prawo Ficka
opór dyfuzyjny
Opis:
A new concept of solid-solid mass diffusion fin was introduced in this paper. The authors described the mass diffusion in fluid flows to analyze the transfer process in solids and its applications, especially in metallurgical research. Using the advantage of the similarity between heat transfer and mass diffusion transfer will make this issue more practical. The authors suggested a new approach to determine the maximum mass diffusion transfer between two solids by implementing of the extended surface on each solid, where the optimal mass diffusion between solids is required. Then, meshing the surfaces together in order to increase the transfer efficiency was carried out. A complete analysis of the extended surfaces design (diffusion fins), its efficiency and effectiveness were presented. Moreover, mathematical models of each consideration were constructed. The authors found that the total surface efficiency increased along with the number of mass diffusion fins attached to the base, but its effectiveness did not. The mass diffusion for an extended plate increased the total mass diffusion transfer between two materials.
Źródło:
Advances in Science and Technology. Research Journal; 2019, 13, 4; 54-59
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Issues of the Impact of Granulated Sulfur Transportation on the Environmental Components
Autorzy:
Ivanov, Andrey V.
Smirnov, Yuriy D.
Lisay, Viktoria V.
Borowski, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/24201741.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
granulated sulphur
dust suppression
transportation
sulphur dioxide
spillage
ignition
Opis:
Nowadays, sulfur is considered one of the primary resources of the chemical industry, most of which is produced as a refinery by-product during the processing of oil and natural gas. Sulfur production volumes are increasing every year, while the demand for it does not always match the growing supply, which leads to a serious problem of sulfur surplus in the world market. Granulated sulfur – the main commercial type of elemental sulfur – is transported in large quantities both by land and sea and can have a negative impact on the environment. At the moment, the issue of the negative impact of granulated sulfur on the environment has not been fully studied, which determines the relevance of this research. This review article presents the global market of granulated sulfur, paying attention to its safe transport – from the producer to the consumer. The potentially harmful factors of the impact of sulfur handling on elements of the natural environment, such as atmospheric air, water reservoirs, soil and vegetation, were also taken into account.
Źródło:
Journal of Ecological Engineering; 2023, 24, 6; 86--97
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Treatment of methanol-containing wastewater at gas condensate production
Autorzy:
Ivanov, Andrey
Strizhenok, Alexey
Borowski, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/2174366.pdf
Data publikacji:
2022
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
biological treatment
gas condensate
hydrates
methanol
rectification
regeneration
wastewater
Opis:
The purpose of the study was to assess the impact of industrial wastewater on the concentration of methanol in the considered section of the Ob River basin, present proposals for the implementation of a new treatment system and analyse the implementation results. On the basis of the results of the analysis of the known methods for reducing the concentration of methanol in water, a new technological scheme for post-treatment of effluents using biological treatment with methylotrophic Methylomonas methanica Dg bacteria was proposed. The calculation of the dilution of treated wastewater using the “NDS Ecolog” program was carried out on the basis of the detailed calculation method of Karaushev, the results of which showed a decrease in the concentration of methanol in the control section to 0.0954 mg∙dm-3 (permissible concentration is 0.1 mg∙dm-3). During the period of the flood of the Glukhaya channel, it ceases to be a separate water body and, in fact, becomes part of the flood channel of the Ob River. Certain parts of the flooded areas, due to elevation changes, communicate with the channel only during a short period of time when the water level rises, i.e. 3-5 weeks during the flood period, and in fact remain isolated reservoirs for the rest of the time, potentially acting as zones of accumulation and concentration of pollutants.
Źródło:
Journal of Water and Land Development; 2022, 54; 84--93
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pojęcie rekultywacji w naukach biologicznych wobec nowych wyzwań środowiskowych
The concept of reclamation in the biological sciences to new environmental challenges
Autorzy:
Hutniczak, Agnieszka
Borowski, Gabriel
Woźniak, Gabriela
Powiązania:
https://bibliotekanauki.pl/articles/401571.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
rekultywacja
tereny zdegradowane
gleba
globalne zmiany
oligotroficzne siedlisko mineralne
nauki biologiczne
reclamation
degraded areas
soil
global change
oligotrophic mineral habitat
biological sciences
Opis:
Utrwaliło się przekonanie, że działalność wydobywcza powoduje duże zmiany środowiska, w tym ubożenie szaty roślinnej, świata zwierzęcego i przekształcenia stosunków wodnych. Tereny poprzemysłowe (w tym pogórnicze i poeksploatacyjne) były klasyfikowane jako tereny zdegradowane, a nawet zdewastowane. Zgodnie z tym podejściem dalsze wykorzystanie tych terenów nie było możliwe bez wykonania zabiegów rekultywacyjnych i przywrócenia, bądź też nadania, wartości użytkowych. W skrajnych przypadkach o rzeczywistości biologiczno-przyrodniczej środowiska decydowała klasyfikacja administracyjno-prawna, a nie obiektywne wartości parametrów biologicznych. Skuteczne metody i kierunki zagospodarowania terenów poprzemysłowych mogą przywrócić tym terenom nową wartość użytkową oraz umożliwić ich wykorzystanie jako unikatowych siedlisk roślinnych. Długotrwałe działania rekultywacyjne ograniczają skutki globalnych zmian (global change mitigation). W niniejszym artykule przedstawiono techniczno-rolnicze aspekty pojęcia rekultywacji oraz określono jej miejsce w naukach biologicznych.
It has been believed that mining activities have always and exclusively caused large changes in the environment, including the impoverishment of plant cover, the animal world and the transformation of water resources. This makes that post-industrial areas (including post-mining and after-care) have been classified as degraded or even devastated. According to this approach a further use of these areas was not possible without reclamation and restoration or even creating a use value. In extreme cases, these were not the objective values of biological parameters, but the administrative and legal classification which determined the biological and natural environment. Effective methods of post-industrial area use as well as directions referring to this are extremely important because they can restore the new utility value to the area and they can enable the use of areas after the exploitation of mineral resources as unique plant habitats. Long-term reclamation activities limit the effects of global change mitigation. This article presents technical and agricultural aspects of the concept of reclamation and determine where its place in biological sciences is.
Źródło:
Inżynieria Ekologiczna; 2019, 20, 4; 14-20
2081-139X
2392-0629
Pojawia się w:
Inżynieria Ekologiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Behavior of Jordanian Oil Shale during Combustion Process from the El-Lajjun Deposit
Autorzy:
Gougazeh, Mousa
Alsaqoor, Sameh
Borowski, Gabriel
Alsafasfeh, Ashraf
Hdaib, Ismail I.
Powiązania:
https://bibliotekanauki.pl/articles/2173323.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
El-Lajjun oil shale
combustion
X-ray diffraction
thermogravimetric
fourier transform infrared spectroscopy
X-ray fluorescence
Opis:
The results of X-ray diffraction, thermogravimetric and FTIR spectroscopy analyses of mineral composition indicated that the El-Lajjun oil shale is principally composed of calcite, quartz with minor amounts of kaolinite), gypsum, and apatite. The obtained oil shale ash products at 830 °C and 1030 °C are dominated by lime, quartz, anhydrite, portlandite, gehlenite, and amorphous phases. The TGA weight loss curves clearly indicate that it occurred in the temperature range from 310 to 650 °C. The decomposition of oil shale carbonates was detected above 750°C. The functional groups in the organic material of oil shale are dominated by the aliphatic hydrocarbons, the semi-ash of which had diverse structures of polycyclic aromatic hydrocarbons. The most intensive of combustion occurred in the temperature range of 400–750 °C. In this temperature range, about 75 wt.% was accounted for the total mass loss.
Źródło:
Journal of Ecological Engineering; 2022, 23, 8; 133--140
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of Water Injection Technique to Improve the Combustion Efficiency of the Spark-Ignition Engine: A Model Study
Autorzy:
Ghazal, Osama H.
Borowski, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/125381.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
water injection
combustion
emissions
engine modeling
Opis:
In the paper, the effect of water injection and different air/fuel ratio on the gasoline engine performance and emissions was investigated theoretically. A four cylinder SI engine model was built using GT-Power professional software. The gasoline fuel was injected directly to the cylinder and water was injected into the intake manifold with different mass flow rate. The calculated engine parameters were: cylinder pressure and temperature, brake torque, brake power, mean effective pressure, thermal efficiency, carbon monoxide, hydrocarbon, and nitrogen oxide emissions. The results of simulations show that the increased water mass flow rate resulted in an improved engine performance and decreased emissions compared to neat gasoline fuel. However, we found that the excessive increase of the water amount inside the cylinder resulted in a deteriorated engine performance and, consequently, poor combustion efficiency.
Źródło:
Journal of Ecological Engineering; 2019, 20, 2; 226-233
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Overview of Particle Agglomeration Techniques to Waste Utilization
Autorzy:
Borowski, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/1955573.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
particle agglomeration
utilization
waste
Opis:
Particulate materials and waste from industrial processes are troublesome in storage, transport and utilization, mainly due to their large volume and dusting. Therefore, originally the main reason for developing the agglomeration processes was to eliminate the afore-mentioned disadvantages. However, the modifications introduced to the merging processes of materials enabled obtaining a new type of products widely used in various applications. For the agglomeration of the inorganic materials, often containing hazardous substances, the disposal and transformation technologies are available for the safe products that can be used, for example, in civil engineering and construction. In turn, the agglomeration of the materials containing organic substances or fine coal, producing alternative fuels for energy recovery. Obviously, the combustion of these fuels results in a subsequent generation of waste in the form of bottom and fly ash, but they can be successfully further agglomerated to produce more valuable products. The numerous examples of the use of various agglomeration techniques to complete utilization of fine grains was shown. An additional effect of the agglomeration processes was also the fulfilment of the economy criteria, which matches with the principles of sustainable development of the environment. Supporting by worldwide literature, the selected agglomeration techniques were discussed, such as: solidification, granulation, extrusion, briquetting, as well as post-agglomeration high-temperature processing.
Źródło:
Journal of Ecological Engineering; 2021, 22, 9; 263-271
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of zeolites in removal of hazardous metal ions from drilling mud wastewater
Autorzy:
Borowski, Gabriel
Kujawska, Justyna
Wasąg, Henryk
Powiązania:
https://bibliotekanauki.pl/articles/110935.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
drilling mud
zeolite
hazardousmetalions
wastewater
adsorption
Opis:
In this study, the adsorption behavior of natural and activated zeolites with respect to Cd2+, Cr3+, Pb2+and Zn2+, was studied in order to consider theirabilityto remove hazardousmetals fromdrilling mud. The batch method was employed, using initial metal concentrations in solution in the range of0.1 to 2.5 mg/dm3. It was determined that independently of the concentration, the adsorption ratios of zeolite towardsmetal cations match the Langmuir and Freundlich isotherms. The results of the research on the reduction of concentration of hazardousmetals from drilling mud wastewater by means of natural and activated zeoliteswere presented in the further part of this work. Natural and activated zeolites were introduced in portions (from 0.2to 10 g) to 100 cm3of wastewater; then, the content of metalions was determined using an inductively coupled plasma spectrometer. The experimental data showed that the applicationof activated zeolite enabled the removal rate of Cr3+, Pb2+, Zn2+and Cd2+close to 93%, 45%, 56% and 84%, respectively. In the case of the natural zeolite, the degree of hazardousmetals removal was lower by only a few percent, but still high enough to beinteresting from the practical point of view. Satisfactory effects of hazardousmetal ionsremoval from drilling muds were achieved using 2 to 5 g of zeolite. The obtained results proved that the natural zeolite constitutes an important material for efficient removal of hazardousmetalionsfrom drilling mud wastewater.
Źródło:
Physicochemical Problems of Mineral Processing; 2019, 55, 6; 1467-1474
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of flax fibers addition on the mechanical properties and biodegradability of biocomposites based on thermoplastic starch
Autorzy:
Borowski, Gabriel
Klepka, Tomasz
Pawłowska, Małgorzata
Lavagnolo, Maria Cristina
Oniszczuk, Tomasz
Wójtowicz, Agnieszka
Combrzyński, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/204728.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biocomposite
flax fiber
maize starch
extrusion-cooking
biodegradation
energy recovery
Opis:
The research was intended to develop a biocomposite as an alternative biodegradable material, for the production of, e.g., disposable utensils. The author’s tested thermoplastic maize starch, both without additives and with the addition of crumbled flax fiber in the share of 10, 20 and 30 wt%. The plasticizer added was technical glycerin and the samples were produced by a single-screw extruder. The mechanical strength tests were performed, including the impact tensile test and three-point bending flexural test. Afterwards, the samples were tested for biodegradability under anaerobic conditions. The methane fermentation process was carried in a laboratory bioreactor under thermophilic conditions with constant mixing of the batch. All samples proved to be highly susceptible to biodegradation during the experiment, regardless of the flax fiber share. The biogas potential was about 600 ml·g-1, and the methane concentration in biogas ranged from 66.8 to 69.6%. It was found, that the biocomposites can be almost completely utilized in bioreactors during the biodegradation process. The energy recovery in the decomposition process with the generation of significant amount of methane constitutes an additional benefit.
Źródło:
Archives of Environmental Protection; 2020, 46, 2; 74-82
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of starch binder on charcoal briquette properties
Autorzy:
Borowski, Gabriel
Stępniewski, Witold
Wójcik-Oliveira, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/972890.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
charcoal briquette
starch binder
burning
Opis:
The paper shows the results of a study on the effect of starch binder on the mechanical, physical and burning properties of charcoal briquettes. Two types of binders were repeatedly used to make briquettes of native wheat starch and modified wheat starch, at 8% of the whole. Briquetting was performed in a roller press unit, and pillow-shaped briquettes were made. The moisture of the mixed material ranged from 28 to 32%. The product, whether the former or the latter, was characterized by very good mechanical properties and satisfactory physical properties. Moreover, the type of starch binder had no effect on toughness, calorific heating value, volatiles, fixed carbon content and ash content. However, the combustion test showed quite different burning properties. As briquettes should have short firing up time and lower smokiness, as well as high maximum temperature and long burning time, we have concluded that briquettes with native wheat starch as a binder are more appropriate for burning in the grill.
Źródło:
International Agrophysics; 2017, 31, 4; 571-574
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
O obecności poezji brazylijskiej w Polsce: Carlos Drummond de Andrade
On the presence of Brazilian poetry in Poland: the case of Carlos Drummond de Andrade
Autorzy:
Borowski, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/511338.pdf
Data publikacji:
2018
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
Brazilian poetry
reception of translated literature
Opis:
The aim of the article is to present the position of Brazilian poetry in the Polish literary system using the examples of translations of poems by Carlos Drummond de Andrade. A library query has proved him to be the Brazilian poet whose works are most frequently translated into Polish. However, he remains little known in Poland, which results from both: lack of the representative publications in the mainstream and the quality of translations.
Źródło:
Postscriptum Polonistyczne; 2018, 1 (21) Pomiędzy Polską, Portugalią i Brazylią. Literatura – kultura – język – edukacja; 139-148
1898-1593
2353-9844
Pojawia się w:
Postscriptum Polonistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Topografias afetivas na ficção de Chico Buarque
Affective Topographies in Chico Buarque’s Prose
Autorzy:
Borowski, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/1368131.pdf
Data publikacji:
2019-12-09
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
affective topography
contemporary Brazilian fiction
geopoetics
Chico Buarque
Opis:
This text is an attempt to discuss the affective dimension of the experience of the city in three novels by the Brazilian writer and composer Chico Buarque. In Estorvo (1991) the protagonist is unable to create bonds with the urban space and his perception of the city is a blend of actual observation and his delirious subjectivity. In Budapeste (2004) the main character is experiencing the capital of Hungary as an affective representation of the actual place. In Leite derramado (2009) the narrator is organising his story through affective memories of significant places.
Źródło:
Studia Romanica Posnaniensia; 2019, 46, 3; 19-29
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using Agglomeration Techniques for Coal and Ash Waste Management in the Circular Economy
Autorzy:
Borowski, Gabriel
Alsaqoor, Sameh
Alahmer, Ali
Powiązania:
https://bibliotekanauki.pl/articles/2023308.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
fine coal
fly ash
agglomeration
waste management
circular economy
Opis:
This is a scoping review of agglomeration techniques to obtain of solid bodies from particle waste-materials for their utilization. For this purpose, the granulation and briquetting of fine coal and fly ash were presented in detail. Many successful works on solid fuels production, with coal only, and also with the addition of biomass, were presented. During the solid fuel combustion in power boilers, significant amounts of ash are generated. The properties of fly ashes were taken into consideration, and different methods of their utilization were proposed to obtain a wide range of useful products. Con-sequently, the waste resources of coal and ash were fully utilized. In final remarks, it was concluded, that the agglomeration techniques play an important role in waste management, but particularly in the circular economy.
Źródło:
Advances in Science and Technology. Research Journal; 2021, 15, 3; 264-276
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integrated Eco-Friendly Outdoor Cooling System – Case Study of Hot-Humid Climate Countries
Autorzy:
Bani Khalid, Mohammad
Beithou, Nabil
Al-Taani, M. A. Sh.
Andruszkiewicz, Artur
Alahmer, Ali
Borowski, Gabriel
Alsaqoor, Sameh
Powiązania:
https://bibliotekanauki.pl/articles/2025812.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
hot climate country
open area
air conditioning
micro-climate
humidity control
recreation area
Opis:
This research proposed an integrated eco-system for conditioning an outdoor public area (park or sport) in a hothumid environment. It is accomplished by the use of a dehumidifier control machine driven by renewable solar power; after which air is distributed throughout a ducting system. The system will harvest moisture from the air, utilize it for drinking water production and plants irrigation as well as deliver low temperature, low humidity ratio air for controlling the outdoor air, which results in a comfortable outdoor relative humidity and temperature (24 °C, 50% RH). The Integrated Eco-Friendly Cooling System (IEFCS) is a sustainable self-dependent in energy and water sources. It provides a positive impact on the microclimate of the site, assists in night illumination, supplies water for drinking, plant irrigation, and allows people to enjoy a thermally comfortable atmosphere. The advantages include low maintaining cost as well as the possibility to be scaled and implemented anywhere according to the selected location.
Źródło:
Journal of Ecological Engineering; 2022, 23, 1; 64-72
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using of Adhesives and Binders for Agglomeration of Particle Waste Resources
Autorzy:
Alsaqoor, Sameh
Borowski, Gabriel
Alahmer, Ali
Beithou, Nabil
Powiązania:
https://bibliotekanauki.pl/articles/2201761.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
adhesives
binders
waste
fine coal
fine-grained iron
fly ash
Opis:
This review presents the usage of adhesives and binders for agglomeration of particle materials, including waste, in order to obtain strong bodies. The binding materials were classified into three categories: inorganic binders, organic binders, and compound binders. Many examples of the agglomeration effect of binders in view of their adhesive and thickening reveal that they have a significant impact on the qualities and use of waste lumps. Binders for fine waste granulation, briquetting, and pelletizing were demonstrated in-depth. In all cases, the mechanical strength of the agglomerates produced was increased. It was observed that the majority of the additives may be easily obtained from waste resources, posing a minimal environmental risk.
Źródło:
Advances in Science and Technology. Research Journal; 2022, 16, 3; 124--135
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
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