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Separate bio-waste collection SEPARATE BIO-WASTE COLLECTION PAYS OFF

100%
Sobolak A., Seruga P., Hofman A.
Logistyka Odzysku
|
2015
|
issue 4 (17)
96-98
EN
The article presents the bio-waste separate collection problems. The aim of the study was examination of the usefulness of the biodegradable bags.and Its tests were carried out both in Germany and in Poland by Municipal Waste Management Plant from Gac, Lower Silesia. The residents of Gać region examined the bags and later fill in a questionnaire, as it was done in Germany recently. Based on results it can be found that the biodegradable bags influence on residents life and waste management company, as well. The cost reduction of waste management system, improving the residents quality of life and the positive assessment of local authorities involved in this project can be noticed.
2
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Wykorzystanie odchodów zwierzęcych i odpadów przemysłu rolno-spożywczego do produkcji biogazu rolniczego

75%
Gołasa P.
Logistyka Odzysku
|
2015
|
issue 3(16)
33-37
PL
Celem artykułu jest określenie możliwości wykorzystania odchodów zwierzęcych i odpadów przemysłu rolno-spożywczego do produkcji biogazu rolniczego. W pierwszej części pracy przedstawiono teoretyczne podstawy rozwoju energii odnawialnej: koncepcję „oil peak” i zwrotu energii zainwestowanej. W części badawczej zaprezentowano praktyczne możliwości wykorzystania bioodpadów: odchodów zwierzęcych, wysłodzin browarniczych, resztek owoców jako wsadu dla biogazowni rolniczej o mocy 300 KWel.
EN
The aim of this article is to determine the possibility of using animal manure and waste from agricultural and food industry for the production of agricultural biogas. The first part of the paper presents a theoretical basis for the development of renewable energy: the concept of “oil peak” and the return of invested energy. The research part presents practical possibilities of using bio-waste: animal manure, brewing draff and fruit remains as feedstock for an agricultural biogas plant with a capacity of 300 kW.
3
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Life cycle sustainability assessment of decentralised composting of bio-waste: A case study of the Łódź agglomeration (Poland)

75%
Rybaczewska-Błażejowska M., Mazurek D., Mazur M.
Quaestiones Geographicae
|
2022
|
vol. 41
|
issue 4
89-105
EN
The study examines the concept of decentralised composting of bio-waste as an alternative approach to current waste management practices, using the Łódź Agglomeration (Poland) as an exemplary case study. Consequently, the aim of the presented research is to compare and discuss the sustainability of the functioning biowaste management system (status quo) against an alternative solution based on decentralised composting. Combined application of process-based life cycle assessment (LCA) and life cycle cost analysis (LCCA) was selected as the methodology to compare the sustainability framework for the waste management practices under analysis. The study has made it clear that decentralised composting of bio-waste offers broader environmental, economic and social benefits, albeit with the level of that benefit being very much correlated with the type of local government area (commune or in Polish gmina). Regardless of the impact category, rural and urban–rural gminas achieved the greatest savings, reaching >90%, and thus are seen to offer the greatest potential for decentralised composting to be put into effect, on the basis of household/backyard composting. In consequence, decentralised composting can constitute a fundamental form of bio-waste management in 20 out of the 28 gminas of the Łódź Agglomeration. The results obtained from the research facilitate the implementation and wider utilisation of decentralised composting, as an important element of the transition to a circular economy, where bio-waste is concerned.
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