Life-cycle assessment approach for municipal solid waste management system of Delhi city

Mandpe, A. and Bhattacharya, A. and Paliya, S. and et al, . (2022) Life-cycle assessment approach for municipal solid waste management system of Delhi city. Environmental Research, 212. pp. 1-7. ISSN 0013-9351

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The life-cycle assessment (LCA) approach with route optimization technique was adopted in the present study to evaluate environmental and economic aspects associated with the prevalent waste management system in Delhi city. With an objective of cost minimization and abating environmental hazards from waste transportation systems, ArcGIS was used to identify the most appropriate route for waste transportation. The study was conducted considering four landfills located at Bawana, Bhalswa, Ghazipur and Okhla present in Delhi city. Landfilling, composting, anaerobic digestion, and recycling methods were analyzed for global warming potential (GWP), eutrophication potential (EP), acidification potential, abiotic resource depletion potential and photochemical oxidation potential parameters using LCA software GaBiPro. The results from the LCA studies for the municipal solid waste management system of Delhi city revealed that transportation emissions and landfilling negatively impact the environment. The effect of recycling rate on the landfilling, composting, anaerobic digestion was also studied using sensitivity analysis. Results of sensitivity analysis depicted that recycling of waste is inversely related to the impact categories. Overall, the results exhibited a detrimental effect of landfilling on the environment in terms of GWP and EP. Further, considering the geospatial analysis, two waste recycling stations are proposed in the vicinity of existing waste management plants to reduce the time and cost of waste transport from the landfills to the waste management plants. © 2022 Elsevier Inc.

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Item Type: Article
Additional Information: Ashootosh Mandpe is grateful to the CSIR for the award of CSIR- Direct SRF Fellowship. The authors acknowledge the Director, CSIR- NEERI, for permitting to carry out this research work in the premises of CSIR-NEERI, Nagpur, India.
Uncontrolled Keywords: Global warming potential, Landfills, Life-cycle assessment, Municipal solid waste, Route optimization, Sensitivity analysis
Subjects: Others > Environmental Sciences
Civil Engineering
Divisions: Department of Civil Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 18 Jun 2022 11:13
Last Modified: 22 Jun 2022 08:33
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