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Percentage of Rejects from Mechanical Biological Treatment (MBT) facilities in India

Percentage of Rejects from Mechanical Biological Treatment (MBT) facilities in India. Ranjith Annepu be Waste Wise & WTERT-India. 60%. The percentage of rejects from biological treatment of mixed municipal solid waste. 6 – 7 %. Compost yield from MBT. Not composting.

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Percentage of Rejects from Mechanical Biological Treatment (MBT) facilities in India

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  1. Percentage of Rejects from Mechanical Biological Treatment (MBT) facilities in India Ranjith Annepu be Waste Wise & WTERT-India

  2. 60% The percentage of rejects from biological treatment of mixed municipal solid waste 6 – 7% Compost yield from MBT

  3. Not composting • We are NOT talking about decentralized or small-scale food waste composting. • We are talking about large-scale centralized facilities installed to sterilize waste.

  4. Why MBT? • All of our waste was going directly to dumpsites (more than 90% still does) • We installed many MBT facilities (In 1960s – 70s and again after the year 2000) • We hoped these plants will solve our problem

  5. Failures • Assumptions and design • More than 50% organic waste • Rest can be sold • We’ll be left with no rejects • No design for rejects • Financial, policy, institutional, and other reasons

  6. Conclusion Design and plan for rejects

  7. Data • From PimpriChindhwad and Nasik composting facilities • Published in (2012) Sustainable Solid Waste Management in India – Ranjith Annepu, Nickolas Themelis, Earth Engineering Center, Columbia University

  8. Material Balance

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