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    In a first, bio-CNG plants to come up in three dump yards

    In a first, the Greater Chennai Corporation has decided to set up three waste-to- Compressed Natural Gas (CNG) plants in the city to reduce wet waste going to dumping yards. Presently, the civic body runs bio-methanation plants, bio-gas plants and composting facilities.

    In a first, bio-CNG plants to come up in three dump yards
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    Greater Chennai Corporation

    Chennai

    According to a Chennai Corporation engineer, the bio-CNG plants would come up in Sholinganallur, Pallikaranai and Kodungaiyur dumping yards. “Each plant would have a capacity of converting 50 tonnes of wet waste into bio-CNG per day,” the engineer said.


    The engineer added that the plants would be built under public-private partnership (PPP) mode in which the private firms would build and operate the plants for 20 years. Once the plants come to operation, the civic body would collect wet waste from across the city and hand them over to the private operator. Each bio-CNG plant would be constructed a cost of around Rs 9.30 crore. “The Corporation will not procure the bio-CNG and it is the responsibility of the operators to find buyers. We have floated three tenders for the plants. As per the tender conditions, the operator will not be allowed to dump the residue to the dump yards, which would force them to run thefacility effectively,” the engineer added.


    After 20 years, the private operators should hand over the facilities to the civic body at free of cost and land for the construction of the plants would be given on the basis of lease or rent.


    Of the total wastegenerated in the city, wet waste amounts more than 50 per cent and the civic body has already started to compost wet waste by creating mulch and compostingpits in parks and civicbody offices.


    “Our aim is to reduce the amount of wet waste going to landfills to zero. To attain this target, we have taken several steps including bio-CNG plants,” G Prakash, Chennai Corporation Commissioner said.

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