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Sustainable solid waste management system using technology-enabled end-of-pipe strategies
Rachita Gupta1, Harish Hirani2, Ravi Shankar3
1Operations Management and Decision Sciences, Indian Institute of Management Kashipur, 244713, India.
Journal of Environmental Management
|October 4, 2023
Summary
Effective solid waste management (SWM) is crucial for sustainable development. This study highlights waste segregation as the key end-of-pipe (EOP) strategy, enabling other EOP methods and yielding significant socio-economic-environmental-operational (SEEO) benefits.
Area of Science:
- Environmental Science and Engineering
- Waste Management and Policy
- Operations Research
Background:
- Rapid urbanization and population growth exacerbate solid waste accumulation, hindering sustainable solid waste management systems (SWMS).
- Limited understanding of SWM practices and system constraints challenges authorities and policymakers.
- End-of-pipe (EOP) strategies are emphasized as suitable for managing large waste volumes.
Purpose of the Study:
- To provide a framework for solid waste management strategies, focusing on EOP approaches.
- To identify the most influential EOP strategy using the Grey-DEMATEL model.
- To propose a technology-enabled framework for effective and sustainable solid waste handling.
Main Methods:
- Categorization of SWM strategies into preventive, end-of-pipe (EOP), and environmental restoration.
- Application of the Grey-DEMATEL approach to model causal relationships among EOP strategies.
- Case study analysis to demonstrate the impact of waste segregation on SEEO benefits.
Main Results:
- Waste segregation identified as the primary enabler for other EOP strategies, with the highest overall significance (R+C) and positive net effect (R-C).
- Technology-enabled EOP strategies, including decentralized depots and biogas plants, reduce transportation costs and save energy.
- Implementation in an Indian city resulted in a 25% reduction in transportation costs and daily vehicle requirements.
Conclusions:
- Waste segregation is a critical factor for successful and sustainable solid waste management.
- Technology-based, decentralized EOP solutions offer significant socio-economic-environmental-operational (SEEO) benefits.
- Landfilling remains a suitable alternative for inert waste disposal.
Keywords:
EOPEnd-of-Pipe strategiesGrey-DEMATELSustainable solid waste management systemWaste segregationMore Related Videos
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