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Bangalore is one of the fastest growing cities of Asia and with rapid urbanization and population growth the problem of waste management also rises. Bangalore has 12.76 million population which generates around 5000 MTD solid waste at an average generation rate of 0.5 kg kg/capita/d. Thus, waste management requires a decentralized system approach to counter the problem. The present research focuses on working of decentralized waste management system of Bangalore at ground level. It encompasses mapping of various units of the decentralized system. One of the main units of the decentralized waste management system in Bangalore is the Materials Recovery Facility at Jigani, where process mapping of the waste flow was carried out to get a comprehensive view to understand the working of the plant. This study also focuses on analysis of social return on investment (SROI) of a materials recovery facility by considering various social & environmental outcomes as indicators and monetizing them to calculate a tentative economical outcome of the facility.
Keywords: Decentralized waste management system, Materials Recovery Facility, Solid waste management, Waste segregation, Social returns on investment.
