1. ICAER 2013, IIT BOMBAYClassification and Energy Recovery from Municipal Solid Waste, Generated by Greater Metropolitan Regions of Kolkata, India PRESENTED BYS DAS CO-AUTHOR:-PROF B K BHATTACHARYYADEPARTMENT OF MECHANICAL ENGINEERING BESU, SHIBPUR, HOWRAH-03

2. ICAER 2013, IIT BOMBAYOUTLINE Introduction Municipal solid waste generation Composition of municipal solid waste Recyclable waste recovery Waste to energy Incineration process Precautions for Land filling Conclusions 2 3. ICAER 2013, IIT BOMBAY3 4. ICAER 2013, IIT BOMBAYProcessing & Treatment Waste PreventionDisposal Integrated Solid Waste Management 4 5. ICAER 2013, IIT BOMBAYMUNICIPAL SOLID WASTE GENERATION Major Sources 1. Residential areas. 2. Commercial or market areas. 3. Offices. 4. Institutions. 5 6. ICAER 2013, IIT BOMBAYGENERATION RATEQuantity in MetricTon112740 113192 88332FEB121302123905 122866124925116768 11135987144JAN124111 117200MARAPRILMAYJUNJULYAUGSEPOCTNOVDECMonthly Generation6 7. ICAER 2013, IIT BOMBAYPERCENT DISTRIBUTION OF MUNICIPAL SOLID WASTE Road SwipingSourcesHouse holdInstituteCommercial and market 05101520 Percent Distribution253035407 8. ICAER 2013, IIT BOMBAYCOMPOSITION FACTORS OF MUNICIPAL SOLID WASTE Nature of local activities. Food habits. Cultural traditions. Socio-economic factors. Climatic conditions. Seasons. 8 9. ICAER 2013, IIT BOMBAYCOMPOSITION OF MUNICIPAL SOLID WASTE 3% 3% < 1%30%45%< 1%5%4%3% 1% 4%Food and vegetable Glass and Ceramics Garden and green Coconut Paper Textiles Wood Plastics Construction and demolition Metals Other organic Other inorganic9 10. ICAER 2013, IIT BOMBAYRECYCLABLE WASTE RECOVERY Collection process of municipal solid waste. Segregation process of recyclable materials. Sorting of combustible waste. Separation of biodegradable waste. 10 11. ICAER 2013, IIT BOMBAYCONCEPTUAL MODEL11 12. ICAER 2013, IIT BOMBAYQUANTITY OF SEGREGATED MATERIALS 50 Total Ward No 33 Ward NO 47 Ward NO 64 Ward NO 103 Ward NO 110 Ward NO 115 Ward NO 130Quantity in Metric Ton403020100 AugustSeptemberOctoberNovemberMonth12 13. RECYCLING PROCESSICAER 2013, IIT BOMBAYSegregated Solid WasteRaw MaterialsNew Products13 14. ICAER 2013, IIT BOMBAYRECYCLABLE ITEMS 19%19%6%6%4%4%6%Paper Cardboard Metal Coconut shells Glass Textiles Leather Rubber Wood Rigid plastic Soft plastic2% 4%23% 6%14 15. ICAER 2013, IIT BOMBAYWASTE TO ENERGY Pyrolysis. Gasification. Incineration.15 16. ICAER 2013, IIT BOMBAYINCINERATION PLANT16 17. ICAER 2013, IIT BOMBAYUNIT FUNCTIONS AND PROCESS17 18. ICAER 2013, IIT BOMBAYWASTE PARAMETERS FOR ENERGY RECOVERY SL. NO .SourcesWaste Generation (MT/d)1Commercial and Market1465.652Institution254.693Household1378.214Street Sweeping918.81Segregation Parameter Moisture 40%, Fixed Carbon