Journal
JOURNAL OF CLEANER PRODUCTION
Volume 195, Issue -, Pages 10-20Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2018.05.097
Keywords
MSW; Renewable; Environment; Sustainable; Energy
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Industrial ecology based symbiotic system approach is applied to Indian municipal solid waste (MSW) for population size of one million, taking various alternative techniques: anaerobic digestion (AD), compost, refuses derived fuel (RDF), incineration and gasification. Considering the virtual operation of the existing plants for production of electricity and products, the economic and environmental evaluation of each technique is presented. For environmental impact assessment global warming, acidification, photochemical oxidation and eutrophication categories are considered. The conceptual analysis depicts that AD has maximum tendency to reduce global warming (123 tonne CO2 eq./day) along with the economic benefits of 19099 INR/day (293 $/day). Gasification shows maximum reduction in acidification, photochemical oxidation and eutrophication by 189 kg SO2 eq./day, 33 kg C2H4 eq./day and 12 kg PO4 eq./day with economic benefits of 46956 INR/day (722 Way). Integrated operation of AD and gasification gives maximum economic benefits (INR 66056/day or 1016 $/day) with highest reduction in environmental impact (for all categories) as compared to a single technology and any other combination of technologies. Industrial ecology approach for MSW management system affects the economic and environmental results to significant level that can influence the policy and decision making. (C) 2018 Elsevier Ltd. All rights reserved.
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