Erode City Municipal Corporation to bio-mine 7.4 acres of waste

Under the Smart City Mission, the Erode City Municipal Corporation has proposed to bio-mine waste at Vairapalayam for a total cost of Rs 37.25 crore. It plans to reuse 7.4 acre land at Vairapalayam compost yard that is located along river Cauvery. The work order for bio-mine of solid waste has been issued to Zigma Global Environ Solutions Private Limited and the work has commenced since August 18. The civic body has begun to landfill bio-mine the 0.90 lakh cubic metre waste at the yard. Vairapalayam and Vendipalayam in total had accumulated 5.3 lakh cubic metre of garbage in the past 60 years.

The process of landfill bio-mining includes bio-remediating the entire waste by converting into equi-sized windrows and application of bio-culture. The windrows are turned several times to ensure waste that is stabilised, odourless and allows the escape of methane gas that can then be also used as cooking fuel. The Vairapalayam plant has the capacity to process 250to 400 tonnes of waste per day and 40 skilled and unskilled workers are involved in the bio-mine process.

The company that is to be monitoring the process said that the process for bio-mining is simple, high tech and eco-friendly method of remediating old open waste dumps to permanently achieve near-zero emission of landfill and leachate. They also said segregated sand will be sent to cement factories to be used as fuel. It is also mentioned that vacant land will be used for implementing other projects.  Corporation officials said that the segregated sand will be used for agriculture while the dry waste will be sent to cement factories to be used as fuel. They added that after completion of the entire process, the vacant land will be used for implementing other projects.

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