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Techno-environmental analysis to valorize the secondary energy resources from refuse-derived fuel-based waste to energy plant

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Abstract

The present study quantifies the environmental and sustainability impacts associated with municipal solid waste management (MSWM) in India which plays a vital environmental issue in recent times. The upsurge in population has resulted in massive waste generation, leading to a concerning rise in the level of greenhouse gas (GHG) emissions. Therefore, the sustainable management of MSW has been discussed and highlights the conversion of MSW into refuse-derived fuel (RDF) to identify its potential for generating electricity in waste-to-energy (WtE) plants. The life cycle assessment (LCA) study has been done to identify and compare the environmental impacts associated with different scenarios (SC) as SC1: landfilling without energy recovery, SC2: open burning and SC3: processing of RDF in WtE plant by considering the nine impact categories from the inventory data obtained over a period of 12 consecutive months (Jan 2021–Jan 2022). The results exhibited that the global warming potential caused by emissions of GHG are in the order of SC1 (1188 kg CO2 eq) > SC2 (752 kg CO2 eq) > SC3 (332 kg CO2 eq), respectively from 1 t of MSW. It is concluded that the WtE plant can help in the reduction of environmental issues, strengthening the capacity of electricity generation and improving the aesthetic view of the city which is socially acceptable as well. Thus, WtE technology can help in achieving sustainable development goal 12 to regenerate the sustainable secondary resources for the twenty-first century and minimize global climate change.

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Acknowledgements

The authors are thankful to their organization for continuous research support.

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HP: conceptualization, data curation and writing — original draft. TMSSR: writing and editing. GN: writing and editing. NP: review and editing. DB: conceptualization, review and editing. PP: supervision, conceptualization, review and editing.

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Correspondence to Pankaj Pathak.

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Highlights

• Management of 1 Mt of heterogeneous municipal solid waste (MSW).

• Segregation of MSW processed 65% refuse-derived fuel (RDF).

• Physio-chemical characterization determined the potential of RDF as a secondary resource.

• 1 Mt of MSW yields 0.45 MW of energy.

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Patel, H., MSSR, T., Nandikes, G. et al. Techno-environmental analysis to valorize the secondary energy resources from refuse-derived fuel-based waste to energy plant. Environ Sci Pollut Res 31, 22441–22452 (2024). https://doi.org/10.1007/s11356-024-32544-2

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  • DOI: https://doi.org/10.1007/s11356-024-32544-2

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