Life cycle assessment of municipal solid waste management with regard to greenhouse gas emissions: Case study of Tianjin, China

Zhao, Wei; Voet, Ester van der; Zhang, Yufeng; Huppes, Gjalt

doi:10.1016/j.scitotenv.2008.11.007

Cited by 189 publications

(63 citation statements)

References 14 publications

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“…A study in the United States showed that 90% of the overall carbon dioxide emissions in composting facilities were due to the biological decomposition of the organic substrate, while the rest was due to fossil fuel combustion (Komilis & Ham 2004). However, as compared to the overall municipal solid waste management system in China, kitchen waste composting makes a considerable contribution to total GHG emissions reduction (Zhao et al 2009). …”

Section: Introductionmentioning

confidence: 99%

Life Cycle Inventory of Institutional Medium-scaled Co-composting of Food Waste and Yard Waste in Tropical Country

Chee¹,

Yusoff²

2015

JSM

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Section: Introductionmentioning

confidence: 99%

Life Cycle Inventory of Institutional Medium-scaled Co-composting of Food Waste and Yard Waste in Tropical Country

Chee¹,

Yusoff²

2015

JSM

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“…Composting in developing countries is unfortunately not completely covered, because despite composting is widely practiced in such countries, data availability on process inventories is still very scarce. For instance, recently Liamsanguan & Gheewala (2008) and Zhao et al (2009) performed two LCA studies on municipal solid waste management in Thailand and China: in both cases inventory data regarding composting were taken from literature and/or databases because of lack of specific data.…”

Section: Introductionmentioning

confidence: 99%

Composting and compost utilization: accounting of greenhouse gases and global warming contributions

et al. 2009

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Greenhouse gas (GHG) emissions related to composting of organic waste and use of compost was assessed from a waste management perspective. The GHG accounting for composting includes use of electricity and fuels, emissions of methane and nitrous oxide from the composting process, and savings obtained by the use of the compost. The GHG account depends on waste type and composition (kitchen organics, garden waste), technology type (open systems, closed systems, home composting), the efficiency of off-gas cleaning at enclosed composting systems, and the use of the compost. The latter is an important issue and is related to the long term binding of carbon in the soil, to related effects in terms of soil improvement and to what the compost substitutes; this could be fertilizer and peat for soil improvement or for growth media production. The overall Global Warming Factor (GWF) for composting therefore varies between significant savings (-900 kg CO 2 -equivalents tonne -1 wet waste (ww)) and a net load (300 kg CO 2 -equivalents tonne -1 ww). The major savings are obtained by use of compost as a substitute for peat in the production of growth media. However, it may be difficult for a specific composting plant to document how the compost is used and what it actually substitutes for. Two cases representing various technologies were assessed showing how GHGs accounting can be done when specific information and data are available.

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“…In describing the study and the scenarios for evaluation and comparison, the criteria used to define the assumed scenarios are not clear, specifically with respect to the choice of certain waste management options as regards both the percentages of waste involved and the technologies and processes chosen [19,[21][22][23][24][28][29][30][31][32][33][34][35][36][37]. …”

Section: Resultsmentioning

confidence: 99%

Identification and Selection of Alternative Scenarios in LCA Studies of Integrated Waste Management Systems: A Review of Main Issues and Perspectives

Tascione

Raggi

2012

Sustainability

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Life Cycle Assessment (LCA) is a decision support tool that can be used to assess the environmental performance of an integrated waste management system or to identify the system with the best performance through a comparative analysis of different scenarios. The results of the analysis depend primarily on how the scenarios to be compared are defined, that is on which waste fractions are assumed to be sent to certain treatments/destinations and in what amounts. This paper reviews LCAs of integrated waste management systems with the aim of exploring how the scenarios to be compared are defined in the preliminary phase of an LCA. This critical review highlighted that various criteria, more or less subjective, are generally used for the definition of scenarios. Furthermore, the number of scenarios identified and compared is generally limited; this may entail that only the best option among a limited set of possibilities can be selected, instead of identifying the best of all possible combinations. As a result, the advisability of identifying an integrated life cycle-based methodological approach that allows finding the most environmentally sound scenario among all of those that are theoretically possible is stressed.

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Life cycle assessment of municipal solid waste management with regard to greenhouse gas emissions: Case study of Tianjin, China

Cited by 189 publications

References 14 publications

Life Cycle Inventory of Institutional Medium-scaled Co-composting of Food Waste and Yard Waste in Tropical Country

Life Cycle Inventory of Institutional Medium-scaled Co-composting of Food Waste and Yard Waste in Tropical Country

Composting and compost utilization: accounting of greenhouse gases and global warming contributions

Identification and Selection of Alternative Scenarios in LCA Studies of Integrated Waste Management Systems: A Review of Main Issues and Perspectives

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