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VERMICULTURE BIOTECHNOLOGY Mrs. Aparna Inamdar, Vermiculture Consultant Mumbai ( India), geosense2002@yahoo.co.in with People’s Initiative for Efficient Solid Waste Management
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Road side garbage heap - a common sight in mega cities!
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Waste management done by Municipal corporations, Municipalities and other local bodies. Waste transported to dumping sites in mixed form. Composition of the waste -Biodegradables 45% -Recyclables 20-25% -Debris or inerts 30-35% WASTE MANAGEMENT SCENARIO
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Increasing population – Up to 60% garbage collected Higher cost of garbage transportation Rag pickers’ problem. Due to excessive plastic usage: - Drain Choking - Difficulty in plastic recycling - Non-biodegradable Poisonous gasses from burning Health Hazards: Mosquitoes, flies, pathogens, rats, viruses, dog and cattle menace. Proximity to residential areas. PROBLEMS WITH SOLID WASTE
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Less than 1% of bags are recycled. It cost more to recycle a bag than to produce a new one.
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“There's harsh economics behind bag recycling: It costs $4,000 to process and recycle 1 ton of plastic bags, which can then be sold on the commodities market for $32” - Jared Blumenfeld (Director of San Francisco's Department of the Environment)
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Bags find their way into the sea via drains and sewage pipes
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NEED FOR CHANGE WITH PEOPLE’S PARTICIPATION – I Separation of garbage into: - Bio-degradables (converted into useful soil conditioner) - Recyclables (sent for recycling) Processing to be done at: - Household level - Housing Society level - Ward level
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NEED FOR CHANGE WITH PEOPLE’S PARTICIPATION – II Saving up resources by recycling End inefficient ways of collecting and transporting garbage Useful soil conditioner made out of bio-degradable reused / sold for self- sustenance Fulfilling social obligation / responsibility ADVANTAGES
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TECHNOLOGY ALTERNATIVES Energy recovery: - Refuse derived fuel pallets - Biogas - Biomass fuel - Incineration Bio-energy for soil processes: - Composting - Organic manure - Vermiculture
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KEY ASPECTS OF CITY WASTE CHARACTERISTICS Quantity per capita waste in India is approximately 400-500 gms/day. Vegetarian population generating waste with 50-55% moisture,30-45% fruit, vegetable, food biomass & 8-15% others. Indian waste has 2-4 times more food waste with low calorific value than the west. Most of the waste is soft succulent with calorific value of 800-1400 making it easy for bioconversion than power generation. Highly putrefying biomass causing stink, diseases, harboring of insect vectors, rodents, ground water contamination.
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VERMICULTURE BIOTECHNOLOGY Processes all types of non-toxic organic waste using earthworms. Extremely eco-friendly: No odour / pest problem. Needs minimum labor. Inexpensive. Converts waste into best quality soil conditioner keeping plants healthy in a natural way.
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ADVANTAGES OF VERMICULTURE BIOTECHNOLOGY Harnesses atmospheric oxygen into the soil. Faster conversion due to utilization of nutrients by plants. Utilizes a wide variety of organics. Self regulated, self powered, self improved eco-system. Involves farming of beneficial micro-flora and culling of pathogens.
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EARTHWORMS AND SOIL HEALTH EARTHWORMS Improve soil structure, Maintain pH and soil temperature, Make soil porous, Increase water retention capacity and water infiltration in soils, Enrich soils with nutrients.
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PROCESSING METHODOLOGY Site selection and design Vermibed preparation Incubation Waste loading Harvesting of VERMICULTURE
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Vermipit Design
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Vermiprocessing at Household level
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Vermiculture in terrace gardens
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Vermiculture in bins made of recycled tyres
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At residential building level (IIT Powai, Mumbai) At housing complex (Hiranandani Gardens, Powai, Mumbai) In a residential lane (Joshi lane, Ghatkopar, Mumbai)
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Vermiculture in PWD colony
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Estate/farm management (Lonavala, Pune) Ward level Vermiprocessing (Vikhroli, Mumbai)
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Students of National College practicing Vermiculture
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Management of canteen and garden waste in Godrej company (Vikhroli, Mumbai)
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Asahi Float Glass (Taloja) Universal Capsules Ltd. (Dahanu)
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EARTHWORMS – OUR BEST FRIENDS
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Fly Larvae Earthworms Cockroaches Rats, Ants Termites Red Worms Pot Worms Flies Mosquitoes Optimum U. S. Bhawalkar (1995) 20406080100 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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PROBLEMS IN POPULARIZATION Non-visibility of earthworms. Low cost and no recurrent expenditure. No machinery and construction required. Market awareness not developed. Absence of standardization of products. No subsidy as on chemical fertilizers.
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APPLICATIONS OF VERMICULTURE BIOTECHNOLOGY Municipal solid waste management Processing of non-toxic solid and liquid waste Sustainable agriculture Waste land development Checking soil erosion
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SOME IMPORTANT FACTS Maharashtra generates about 14,000 tons/day of waste by 30 million people living in urban and semiurban areas. Maharashtra requires 750 lakh metric tons of organic manure/ year. Supply of organic-manure is 5.11 lakh metric tons/ year.
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THANKS!
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