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Tytuł:
A MILP Model for the Municipal Solid Waste Selective Collection Routing Problem
Autorzy:
Korcyl, Antoni
Książek, Roger
Gdowska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/375950.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
municipal solid waste collection system
solid waste segregated collection
MILP
rich VRP
Solid Waste Management
Opis:
Nowadays, selective solid waste management in the European Union belongs to important responsibilities of municipalities. In Solid Waste Management (SWM) the main operational task is to set a schedule for solid waste collection and to find optimal routes for garbage trucks, so that the total costs of the solid waste collection service can be minimized, subject to a series of constraints which not only guarantee the fulfillment of the SWM’s obligations but also ensure the desirable quality level of that service. The optimization in garbage truck routing belongs to so called rich Vehicle Routing Problems as it aims to cover the following constraints: pickup nodes (clients) must be visited during their predefined time windows; the number and capacity of depots and specialized sorting units cannot be exceeded; each garbage truck can be assigned to at most one depot; each route should be dedicated to collecting one type of segregated solid waste, and the route must be served by a garbage truck which can collect that type of solid waste; the availability of garbage trucks and their drivers must be respected; each garbage truck must be drained at a specialized sorting unit before going back to the depot. This paper contributes a newly developed Mixed-Integer Programming (MIP) model for the Municipal Solid Waste Selective Collection Routing Problem (MSWSCRP) with time windows, limited heterogeneous fleet, and different types of segregated solid waste to be collected separately. Results obtained for solving small-sized instance of the MSWSCRP are reported.
Źródło:
Decision Making in Manufacturing and Services; 2019, 13, 1-2; 17-35
1896-8325
2300-7087
Pojawia się w:
Decision Making in Manufacturing and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
AHP and GIS-Based Site Selection for a Sanitary Landfill: Case of Settat Province, Morocco
Autorzy:
Benezzine, Ghizlane
Zouhri, Abdeljalil
Koulali, Yahya
Powiązania:
https://bibliotekanauki.pl/articles/2025385.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
sanitary landfill
household solid waste management
geographic information system
analytical hierarchy process
province of Settat
Morocco
Opis:
In Morocco, solid household waste is often disposed of in open air in unsuitable sites, causing adverse effects on humans and the environment. In the province of Settat, there are eight uncontrolled landfills. The present study aimed to determine the most suitable sites from an environmental and economic point of view to ensure good management on a regional scale. The investigation involved a combination of a multi-criteria method (the AHP analytical hierarchy process) and a GIS geographic information system (ArcGIS) with ten criteria: distance from the ground water, water surfaces, drilling, settlements, forests, roads, highway, land use, slope, and elevation. The suitability map showed that about 18.5% of the study area is suitable for installing a sanitary landfill.
Źródło:
Journal of Ecological Engineering; 2022, 23, 1; 1-13
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An overview of municipal solid waste management in Poland. The current situation, problems and challenges
Autorzy:
Alwaeli, M.
Powiązania:
https://bibliotekanauki.pl/articles/207288.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
municipal solid waste
waste management
environmental policy
waste landfill
Polska
overview
miejskie wysypisko śmieci
gospodarka odpadami
polityka ochrony środowiska
polityka środowiskowa
składowisko odpadów
Polska
przegląd
Opis:
An overview of municipal solid waste management (MSWM) in Poland has been presented. The processes of waste generation and composition have been described and a comprehensive review of MSWM in Poland has been provided, covering some of the important aspects of waste management, such as the current status of waste collection, transport and disposal in Poland. An additional aim of the present work was to identify the potential barriers and the factors affecting waste management as well as provide recommendations for system improvement in Poland and other similar developing countries. An analysis shows that the state of municipal solid waste (MSW) management in Poland is not yet as developed as in many other EU countries. Landfilling is still the predominant method used for the disposal of MSW. Composting and incineration are also used but refer only to a small percentage of the total. According to the latest data (31st December 2014), around 84% of MSW was collected and transported and that ca. 53% was disposed of in landfill, ca. 7% was incinerated at waste-to-energy plants, ca. 11% was treated at organic waste recovery plants and 23% was delivered to sorting. The average generation rate of MSW was 293 kg/capita/year. Generally, recycling in Poland is on the increase, especially concerning easily collectable and recyclable materials such as paper, plastics, glass and metals. Around 37% of MSW collected selectively is recycled.
Źródło:
Environment Protection Engineering; 2015, 41, 4; 181-193
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Anaerobic Digestion of Organic Waste for the Production of Biogas in Calabar, Cross River State, Nigeria
Autorzy:
Akpan, Joyce Fidelis
Isong, Isong Abraham
Asikong, Ernest B. Etta
Powiązania:
https://bibliotekanauki.pl/articles/1076700.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Biogas
anaerobic digester
bio-fertilizer
total solid and waste management
Opis:
The quest for environment friendly means of waste management has prompted studies on technologies for treatment of municipal organic wastes. Among these is anaerobic digestion. This research was thus conducted to assess the potential of fruit wastes; Watermelon (Citrus lanatus) peel (W), Pawpaw (Carica papaya) peel (P), Banana (Musa acuminata Cv. AAA group) peel (B) and Cow dung (C) for the production of biogas through anaerobic digestion processes. The production of biogas was carried out in single, double and multiple substrates combinations at 13 kg, 6.5kg and 3.25 kg, respectively, per substrate. The substrates were digested anaerobically in 60-liter digesters for 45 days. The treatment comprised of 11 substrates and water as control. The result indicated that the moisture content ranged from 82.0 to 93.0% and the pH of wastes ranged from 4.9-8.3, with a majority of the substrates falling between 6.0-7.1. Treatment W+C+P+B produced the highest biogas (49.4 ml) at 45 days of digestion. This was followed by treatment W+C and W+B - which were 24 and 23.4 ml, respectively. Treatment B and C+B had the lowest methane yield of 2.2 and 7.6 ml, respectively. The combination of W+C+P+B (8.4) and C+B (6.7%) had the highest values of nitrogen content, while W+C (11%) and C+P (1.4%) had the lowest values. The mineral contents of N, P, K, Ca and Mg in most cases were higher than those obtained before digestion. Hence, Fruit waste (W+C+P+B) was the most suitable substrate for producing biogas and bio-fertilizer. Moreover, the values of nitrogen, phosphorus and potassium in the digestate indicate that it will be a good source of fertilizer for crop production.
Źródło:
World News of Natural Sciences; 2019, 24; 9-21
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza czynników determinujących właściwe gospodarowanie odpadami komunalnymi na przykładzie wybranych gmin w Polsce
The Analysis of Determining Factors of Appropriate Municipal Waste Management on the Example of Selected Communes in Poland
Autorzy:
Dygudaj, Kinga
Krasoń, Patrycja
Lipiński, Tomasz
Nowacki, Krzysztof
Powiązania:
https://bibliotekanauki.pl/chapters/27323756.pdf
Data publikacji:
2023-12-14
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
odpady komunalne
recykling
segregacja
świadomość ekologiczna
zarządzanie
environmental awareness
management
municipal solid waste (MSW)
recycling
segregation
Opis:
Polska, przystępując do Unii Europejskiej, przyjęła cele Dyrektywy Rady 1999/31/WE z 26 kwietnia 1999 r. w sprawie składowania odpadów, deklarując jednocześnie zmniejszenie ilości odpadów deponowanych na składowiskach m.in. na rzecz recyklingu. Jednak, mimo licznych inicjatyw podejmowanych zarówno na szczeblu regionalnym, jak i krajowym, świadomość ekologiczna Polaków jest nadal niska, a dodatkowo rosnące koszty utylizacji nie sprzyjają właściwemu zarządzaniu odpadami. W rozdziale przedstawiono analizę porównawczą wad i zalet systemu zarządzania odpadami komunalnymi w wybranych gminach województwa śląskiego i łódzkiego. Opierając się na danych statystycznych za rok 2020 dla gminy Częstochowa i Gorzkowice, przeanalizowano istniejące rozwiązania zmierzające do minimalizacji i właściwego postępowania z odpadami. Wykazano korzyści i wady płynące z systemu wprowadzonych zachęt i kar, w szczególności w odniesieniu do naliczanych przez gminy stawek za wywóz odpadów. Efektem przeprowadzonej analizy było zaproponowanie rozwiązań zmierzających do poprawy systemu zarządzania odpadami komunalnymi w analizowanych gminach, a w szczególności do podniesienia świadomości ekologicznej mieszkańców, co przełoży się na wzrost poziomu recyklingu i odzysku odpadów zebranych selektywnie.
By joining the European Union, Poland adopted the objectives of the Council Directive 1999/31/EC of 26 April 1999 on the landfill of waste, declaring at the same time a reduction in the amount of waste deposited in landfills, e.g. for recycling. However, despite numerous initiatives undertaken both at the regional and national level, the ecological awareness of Poles is still low, and, additionally, the growing costs of disposal are not conducive to proper waste management. The chapter presents a comparative analysis of the advantages and disadvantages of the municipal waste management system in selected communes of the Śląskie and Łódzkie voivodships. Based on statistical data for 2020 for the communes of Częstochowa and Gorzkowice, the existing solutions aimed at minimizing and proper handling of waste were analyzed. The advantages and disadvantages of the introduced system of incentives and penalties have been demonstrated, in particular with regard to the rates charged by the communes for waste disposal. As a result of the analysis, solutions were proposed to improve the municipal waste management system in the analyzed communes, and in particular to raise the ecological awareness of the inhabitants, which will translate into an increase in the level of recycling and recovery of selectively collected waste in the analyzed communes.
Źródło:
Potencjał innowacyjny w inżynierii materiałowej i zarządzaniu produkcją; 355-366
9788371939457
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of changes in fees for the collection and management of municipal waste as regards the efficiency of waste segregation
Autorzy:
Malinowski, Mateusz
Łukasiewicz, Maria
Famielec, Stanisław
Nowińska, Karina
Powiązania:
https://bibliotekanauki.pl/articles/95838.pdf
Data publikacji:
2019
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
odpady komunalne
gospodarka odpadami
opłata za gospodarowanie odpadami komunalnymi
municipal solid waste
waste management
waste management fee
Opis:
The issue discussed in this paper is related to the correlation between the efficiency of waste segregation and fee rate imposed on residents for generated municipal solid waste, which rate is set and changed by municipal authorities. The main objective of the paper was to analyse the variability of fees for waste collection and management, as well as to analyse changes within this scope during the first several years (from 1 July 2013 to 31 December 2016) since the new waste management system was implemented in Poland. The research area included the municipalities of the 1st Waste Management Region in the Silesian Voivodeship. The mean fee sustained by residents of the examined municipalities for the collection and management of mixed waste was PLN 14.1 per person per month; when residents opted for additional selective waste collection, the fee was PLN 7.3 per person per month. During the examined period, the waste collection fee increased in the majority of the municipalities by 34.0%. One third of the municipalities did not change the rate. In those municipalities where the fee increased, the growth of segregation efficiency was hampered. The mean share of the segregated municipal waste stream in the total stream of collected waste reached 22.6%. No significant correlation was observed between the applied fee rate and efficiency of selective waste collection.
Źródło:
Ekonomia i Środowisko; 2019, 2; 24-41
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of community perception on waste management practice in Ilorin metropolis, Kwara State, Nigeria
Autorzy:
Okoji, Onweazu Olufemi
Adeyemi, Taiye Oluwafunmilayo
Olawuni, Olufemi Abiodun
Powiązania:
https://bibliotekanauki.pl/articles/20434550.pdf
Data publikacji:
2023-09-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
Community perception
public enlightenment
solid waste generation and waste management
Opis:
Improper collection and disposal of municipal wastes has led to different levels of environmental challenges such as blockade of sewers, drain networks and the choking of water bodies. The study adopted descriptive survey research design. The population of the study comprised of 364,666. The researcher used simple random sampling random technique to select 200 respondents in the targeted communities. The questionnaire used to collect information from the respondents was tagged Community Perception on Waste Management Practice Instrument (CPWMPI). The instrument was validated by the experts in the Department of Adult and Primary Education, University of Ilorin to ensure face, content and construct validity. To ascertain the reliability of the instrument, the questionnaire was administered to fifty respondents twice. The data collected were analyzed with the Person Product Moment Correlation (PPMC) tool, a co-efficient value of 0.89 was obtained. Inferential statistics was used to analyzed the research question while the hypotheses were analyzed with t-test and Analysis of Variance (ANOVA). The result showed that there was a statistically significant difference in the perception of residents on waste management practices based on gender (t {198} = 2.643, p<0.05), there was no statistically significant difference in the perception of residents on waste management practices based on marital status (t{198} = 0.837, p>0.05), there was no significant difference in the perception of residents on waste management practices based on education (F {2, 197} = 1.592, p>0.05), there was no statistically significant difference in the perception of residents on waste management practices based on religions (t{198} = 1.427, p>0.05)It was recommended in the study that there should be public enlightenment among the residents and urban dwellers on proper solid waste practices, management and disposal.
Źródło:
Reality of Politics; 2023, 25; 114-132
2082-3959
Pojawia się w:
Reality of Politics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of Environmental and Economic Impacts of Municipal Solid Wastes Management System: A Case Study
Autorzy:
Mosbah, Ezzeddine B.
Alsanad, Mohammed A.
Sassine, Youssef N.
Powiązania:
https://bibliotekanauki.pl/articles/2025720.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
environmental impact
economic impact
municipal solid waste management
MSW
life cycle analysis
life cycle cost analysis
Saudi Arabia
LCA&LCCA
Opis:
In pursuance of the Saudi vision 2030, the Al-Hasa municipality has been allocating a total of US$ 60.1 million since 2018 to the implementation of a modern Municipal Solid Wastes (MSW) management system. In addition to the improved old components, the system involves six new-engineered cells, five of which will be gradually implemented in progresses, two waste sort-out lines station, and LFG energy recovery. The present research aimed at investigating the environmental and economic impacts of this MSW management system. For this purpose, the authors applied the Life Cycle Analysis (LCA) and Life Cycle Costs Analysis (LCCA) approaches. The main results showed that the air quality was not affected. For instance, gas emission, like carbon monoxide, was less than 0.1 ppm. However, soil and groundwater were contaminated due to leachate infiltration from the uncontrolled cell in which Chloride, Nitrate, and Sulfate exceeded the maximum limits. As for noise, it was found to be high near the sorting-out station at 71.1 Leq dBA. In terms of the financial aspect, the improved MSW management was relatively feasible despite its high costs over its revenues. Thus, the negative cash-flow could be supplemented by setting household taxes at US$ 29 per capita per year, which makes the project cost-effective. Thus, the research recommends continuing the MSW management project.
Źródło:
Journal of Ecological Engineering; 2022, 23, 1; 137-145
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of exposure to fungi in the heavily contaminated work environment (a solid waste sorting plant) based on the ergosterol analysis
Autorzy:
Kozajda, Anna I.
Jeżak, Karolina
Sowiak, Małgorzata
Gutarowska, Beata
Szadkowska-Stańczyk, Irena
Powiązania:
https://bibliotekanauki.pl/articles/2177184.pdf
Data publikacji:
2015-07-17
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
occupational exposure
bioaerosols
sterols
solid waste management plant
ergosterol
indoor air pollution
Opis:
Objectives This paper reports on the results of the study aimed at application of ergosterol as an quantitative indicator of fungal bioaerosol present in the indoor air in occupational environment heavily contaminated with organic dust as well as its comparison with the culturable method. Material and Methods The study was conducted in the indoor solid waste sorting plant. Using Andersen impactor adapted to 1 plate at the flow rate of 30 l/min, indoor air was sampled in the workers’ breathing zone. Ergosterol was sampled using gelatinous filter (1000 l of air) and then analyzed by means of the spectrophotometric method. Fungi were sampled on malt extract agar (MEA) medium (3 replications: 2 l, 7.5 l, 15 l of air) and analyzed by means of the culturable method. Based on ergosterol analyzes, concentration of fungi was calculated. Results were given as the range assuming min. as 5.1 pg ergosterol/spore and max as 1.7 pg ergosterol/spore. Results The average concentrations of ergosterol in a working room (arithmetic mean (AM), standard deviation (SD); minimum–maximum (min.–max)) were, respectively: 2.16, 0.72; 0.85–2.92 μg/m³; fungi calculated based on ergosterol – 424.1×10³–1272.4×10³, 140.1×10³– 420.4×10³, 167×10³–1716.5×10³ CFU/m³, and culturable fungi – 13×10³, 9.7×10³, 1.9×10³–34×10³ CFU/m³). It was revealed that concentrations of calculated fungi were even 2 orders of magnitude higher than culturable fungi. Conclusions The quantitative assessment of moldiness by means of ergosterol measurement seems to be a reliable indicator for environments heavily contaminated with organic dust, where viable and non-viable fungi are present in high proportions. Based on that result, more restrictive (as compared to a similar assessment carried out by means of the culturable method) hygienic recommendations, especially those related to the use of preventive measures protecting the employees’ respiratory tract, should have been undertaken.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2015, 28, 5; 813-821
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of landfill protection systems in Japan – a case study
Ocena systemów ochronnych składowisk odpadów w Japonii – studium przypadku
Autorzy:
Jakimiuk, A.
Matsui, Y.
Podlasek, A.
Vaverková, M.D.
Powiązania:
https://bibliotekanauki.pl/articles/28765740.pdf
Data publikacji:
2022
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
Japan
waste management
sanitary landfill
sealing
solid waste landfill
municipal waste landfill
untreated waste
case study
Źródło:
Acta Scientiarum Polonorum. Architectura; 2022, 21, 4; 21-31
1644-0633
Pojawia się w:
Acta Scientiarum Polonorum. Architectura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of segregated waste accumulation efficiency in selected suburban communities
Autorzy:
Malinowski, M.
Kopytko, A.M.
Powiązania:
https://bibliotekanauki.pl/articles/61721.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
assessment
waste management
municipal solid waste
segregated waste
accumulation efficiency
suburban community
Opis:
Among solid wastes one may distinguish mixed wastes, segregated wastes (collected selectively) and biodegradable wastes originating from open-air markets, green areas or cemeteries. Mixed wastes have constituted the largest proportion in the stream of municipal solid waste (MSW), both before and after the changes in waste management system in Poland introduced on 1 July 2013. The other group, regarding the collected wastes volume, is so-called segregation. It has been forecasted that in the nearest future the amount of segregated wastes will be successively growing. The article presents the analysis of selectively collected wastes (paper, plastics, glass and metal) indicators from lower administrative units of Liszki and Mogilany communities. The degree of segregated wastes accumulation efficiency was assessed on the basis of conducted computation. The communities selected for the analysis are suburban municipalities, situated in the area of Krakow agglomeration in the immediate vicinity of the main city of the Malopolskie voivodeship. The main aim of the work was an assessment of selective accumulation of municipal solid wastes in suburban communities. Values of quantitative indices, characterizing mixed and segregated municipal solid waste generated by the inhabitants of individual lower administrative units of the studied communities were subjected to a detailed analysis. The data assumed for the investigations cover the period from July 2012 to June 2013. As results from conducted analyses actual indices of wastes accumulation differ from the indices determined on the basis of statistical data and the data stated in the Waste Management Plans, which may evidence a high ecological awareness of the analysed areas inhabitants. The efficiency of selective waste accumulation in the analysed communities was on a similar level and exceeded 20%, i.e. was twice higher than the average for Poland.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2014, IV/3
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment Strategies for Municipal Selective Waste Collection – Regional Waste Management
Autorzy:
Boas Berg, A.
Radziemska, M.
Adamcová, D.
Zloch, J.
Vaverková, M. D.
Powiązania:
https://bibliotekanauki.pl/articles/123558.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
solid waste
waste management legislation
waste hierarchy
regional waste management
Opis:
Waste disposal in landfill sites causes a potential hazard for the human health, as they release substantial amounts of gas, odours and pollutants to the environment. There have been vast reductions in the volume of waste being landfilled in many European countries and a reduction in the number of illegal landfills. The European Parliament’s laws obliged the Member States to amend the national waste law; the main objectives of the implemented directives are to create the conditions for the prevention of excessive waste. Directive 2008/98/EC establishes, as a goal for 2020, that waste reuse and recycling reach 50% of the total waste produced. Poland, having joined the European Union, committed itself to implementing many changes related to waste management. The amendment of the law on the maintenance of cleanliness and order in the municipalities imposed new obligations regarding the waste management (WM) on the local government and residents. By adopting a municipal waste management system, the selected municipality made all its residents responsible for their waste. However, the fact of introducing changes does not solve the waste problem. The implementation of EU directives and the development of strategic documents such as the National Waste Management Plan (NWMP) have made a clear change in the WM approach. One of the changes was the establishment of selective collection of municipal selective waste (MSW), with the issue of collecting the waste by the residents being a priority. This work describes the legal context of selective collection of MSW as one of the most effective means of reducing the amount of waste being landfilled.
Źródło:
Journal of Ecological Engineering; 2018, 19, 1; 33-41
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania separacji na frakcje stałą i ciekłą gnojowicy i pulpy pofermentacyjnej
Research on slurry and digestate pulp separation on the solid and liquid fraction
Autorzy:
Cieślik, M.
Lewicki, A.
Carmona, P. C. R.
Czekała, W.
Janczak, D.
Witaszek, K.
Dach, J.
Powiązania:
https://bibliotekanauki.pl/articles/357356.pdf
Data publikacji:
2014
Wydawca:
Politechnika Śląska
Tematy:
pulpa
biogazownia
separacja
gnojowica
nawożenie
gospodarka odpadami
digested pulp
biogas plant
solid liquid separation
slurry
fertilization
waste management
Opis:
Separacja na frakcję stałą i ciekłą oraz późniejsze wykorzystanie frakcji stałej na cele energetyczne (pelet) lub nawozowe może być jednym z najefektywniejszych metod zagospodarowania gnojowicy lub pulpy pofermentacyjnej. Celem pracy było określenie efektywności separacji gnojowicy i pulpy pofermentacyjnej oraz analiza składu fizykochemicznego frakcji stałej odseparowanej na sitach różnej wielkości. Analizie poddano także uzyskany po przejściu przez mikrosita odciek z gnojowicy i pofermentu. Stwierdzono duże różnice w rozkładzie frakcji i zawartości w nich materii organicznej oraz popiołu pomiędzy frakcjami gnojowicy i różnymi rodzajami pulpy pofermentacyjnej. Stwierdzono, że jedynie pierwsza frakcja z gnojowicy jak i z pulpy pofermentacyjnej otrzymanej z fermentacji roślin zwierających dużą ilość organicznych materiałów trudno rozkładalnych może być brana pod uwagę jako substrat do produkcji peletów na cele energetyczne.
The separation on solid and liquid fraction and subsequent usage of a solid fraction for energy (pellets) or fertilizer aims can be one of he most effective ways of slurry and digestate management. The aim of this study was to determine the effectiveness of the separation of slurry and digestate pulp and analysis of the physico-chemical composition of the solid fraction separated on the strainers of different sizes. Also the slurry and digestate pulp effluent after passing the micro-strainers was analyzed. The results showed large differences in the fractions distribution and the content of organic matter between the slurry and particular types of the digestate pulp. It has been stated that only digestate pulp from the fermentation of the plants with large amount of hardly biodegradable materials (cellulose, lignin) can be considered as a substrate for the pellets production for energy purposes.
Źródło:
Archiwum Gospodarki Odpadami i Ochrony Środowiska; 2014, 16, 2; 43-48
1733-4381
Pojawia się w:
Archiwum Gospodarki Odpadami i Ochrony Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative analysis of municipal solid waste systems: Cracow case study
Autorzy:
Stypka, T.
Flaga-Maryańczyk, A.
Powiązania:
https://bibliotekanauki.pl/articles/207661.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
stałe odpady komunalne
gospodarka odpadami
modelowanie komputerowe
municipal solid waste
waste management
computer modelling
Opis:
The evaluation method to compare municipal solid waste management (MSWM) systems has been presented. The results of the integrated waste management model (IWM-1), were used as the input data for the analysis. The results were integrated into life cycle analysis LCA impact categories. The authors present possible to calculate categories, and calculate them for the two MSWM scenarios. Next, the system performance was compared using a multicriteria method, called analytic hierarchy process (AHP). The hierarchical preference analysis on the World Wide Web software Web HIPRE) was applied to conduct the analysis. The criteria ratios for the AHP were assumed arbitrarily based on the best knowledge of the authors. Finally, the presented sensitivity analysis showed the confidence of the obtained results and pointed out the most important assumptions of the whole analysis. The two Cracow MSWM systems were used as a case study.
Źródło:
Environment Protection Engineering; 2013, 39, 4; 135-153
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative environmental impact assessment of the landfilling and incineration of residual waste in Krakow
Autorzy:
Grzesik, K.
Powiązania:
https://bibliotekanauki.pl/articles/208006.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
municipal waste management system
Krakow
life cycle assessment (LCA)
LCA
solid waste
gospodarka odpadami komunalnymi
Kraków
odpady toksyczne
ocena cyklu życia
Opis:
The methodology of life cycle assessment (LCA) is a valuable tool for identifying and assessing the environmental impacts caused by waste management scenarios. The aim of this study was to perform a comparative LCA of two scenarios of municipal waste management system in Krakow, Poland. The assessment is limited to residual (mixed) waste. Under the former scenario, residual waste is landfilled at a well-equipped facility, while under the latter scenario, residual waste is incinerated in a thermal treatment plant with energy recovery. Landfilling represents a real situation for 2010, when all residual waste was landfilled, incinerating expresses the plan for 2016. The elements of the scenarios such as collection and treatments of separately collected waste are excluded from the system boundaries. The modeling of the environmental impact is done by the EASETECH model, employing EDIP 2003 methodology. The final results are expressed in person equivalent (PE) units. Both scenarios have negative impacts on the environment, however the impact for incineration is much lower than for landfilling. In respect of landfilling, the significant impact categories are photochemical ozone formation, global warming, eutrophication and human toxicity. Regarding incineration, significant impact categories include eutrophication, photochemical zone formation, acidification and human toxicity.
Źródło:
Environment Protection Engineering; 2017, 43, 4; 135-148
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
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