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Solid Waste Management

Waste-to-energy plant powers streetlights

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The Hindu  28.09.2010

Waste-to-energy plant powers streetlights

K. Manikandan

The methane gas generated from waste powers a generator producing electricity

TAMBARAM: A unique project of operating streetlights with power generated from kitchen waste has been implemented in Shankar Nagar, Pammal Municipality, a southern suburb.

Mangalam Balasubramanian of Exnora Green Pammal said the waste-to-energy plant was set up on land donated by a realtor and built with Rs.20 lakh donated by Husky Injection Molding Systems and London-based SAM Foundation.

Giving details of the project, Ms.Mangalam said kitchen waste, including meat, from homes, canteens, hostels and restaurants were collected and dumped in a pre-digester. The decomposition results in a liquid slurry that is collected in separate chambers.

The methane gas generated here is collected in a balloon chamber and then transported to a smaller tank. The gas now powers a generator resulting in production of electricity. The liquid slurry would be treated and re-used. At present, enough power is generated for 50 streetlights on a couple of streets and they could burn for five hours in the evening, Ms. Mangalam said. She added that the power generation capacity could be scaled up. The streets also have lights operated with power from the TNEB.

They were planning to run night schools for underprivileged children. Officials of the Department of Municipal Administration and Water Supply visited the plant and expressed their desire to support the project. Such plants using bio methanation process could be successful in market areas, Ms. Mangalam added.

Last Updated on Tuesday, 28 September 2010 11:28
 

Villagers reject dumping yard project

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The New Indian Express  22.09.2010

Villagers reject dumping yard project

CHENNAI: The Madras High Court-directed public hearing on setting up an integrated municipal solid waste management (SWM) plant at Kuthambakkam village, near Poonamallee, on Tuesday saw a tremendous response from the locals who overwhelmingly opposed the project.

However, a group of elected representatives and residents from six local bodies that would be dumping their garbage at the site if the proposal goes through, spoke in support of the project.

The proposal is to hand over around 100 acres of grazing land in Kuthambakkam village panchayat to six local bodies, Ambattur, Thiruverkadu, Valasaravakkam, Maduravoyal and Poonamallee (all municipalities) and Porur town panchayat, to dump solid waste.

Commissioner of Ambattur Municipality Ashish Kumar while inaugurating the public hearing presented an audio-visual presentation for more than one hour detailing the project and its implications on the areas. The consultant who prepared the Rapid Impact Assessment report addressed the questions along with Kumar.

From Kuthambakkam alone, more than 300 people participated and expressed their opposition to the proposal. Lokanayaki, a resident of the village, said, “If the project gets sanctioned, indiscriminate dumping of garbage would seriously affect the environment of the village and its surrounding areas and children would be forced to live in unhealthy conditions.”

Another villager Anandan said, “All along, the villagers have been kept in dark on the issue and the project would be detrimental to grazing lands.”

The other major concerns raised by Kuthambakkam villagers against the project were close range of habitation from the proposed site, livelihood issues, proposed site is a grazing land and catchments area. People also questioned the Rapid EIA report (three months) and they wanted comprehensive EIA report (one year).

Speaking to Express, R Elango, former president of Kuthambakkam panchayat, said, “Villagers are unhappy and the next step would be to look forward to the EIA committee’s response.”

Last Updated on Wednesday, 22 September 2010 10:53
 

‘Five-bin waste segregation can be tried out'

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The  Hindu     20.09.2010

‘Five-bin waste segregation can be tried out'

Special Correspondent

The concept is practised in the German city of Esslingen am Necker


I am confident that we can implement it with awareness on its benefits: Anshul Mishra

The other area of focus will be waste water treatment


COIMBATORE: Even as the Coimbatore Corporation is persuading people across its 72 wards to segregate waste at home, it is considering a more advanced measure that is in practice in the German city of Esslingen am Necker.

The Corporation has already begun distributing two bins a house under its massive Rs.96-crore Integrated Solid Waste Management Scheme. People should store in separate bins biodegradable and non-biodegradable waste.

“We are already facing difficulty in promoting the two-bin concept. Now, we find that the five-bin concept in Esslingen city is a better one. We will try this out in our city. I am confident that we can implement it with awareness on its benefits,” Corporation Commissioner Anshul Mishra said at a joint press conference along with District Collector P. Umanath and Mayor R. Venkatachalam. All the three of them had been to the German city recently at the invitation of its Mayor.

The Collector said the people of Esslingen used five bins to store separately the following types of waste: organic, glass, plastics, paper/ cardboard packing material and others.

Some forms of waste were used for energy generation and also to generate heat to combat the chill during winter. “As much as 30 per cent of the heating needs in the city are met by using waste,” he said.

Other cities in India had said that Coimbatore Corporation's solid waste management project was worth emulating across the country. “But, we found a much more advanced model in Esslingen. Coimbatore can look at replicating it,” he said.

Solid waste management was one of the areas the Corporation would look at in terms of sharing of expertise, in view of the development projects being implemented under the Jawaharlal Nehru National Urban Renewal Mission.

The other area of focus would be waste water treatment, the Commissioner said. Waste water was treated and even made potable in Esslingen. The Coimbatore Corporation had a proposal to sell treated waste water, but for non-drinking purposes. It had already begun projects to set up sewage treatment plants.

Another area with reference to the mission was rejuvenation and maintenance of water bodies.

The Amer Lake in Esslingen had crystal clear water. Boating and canoeing was being done on it. The lake's maintenance provided valuable lessons to Coimbatore Corporation, when it was set to implement a Rs.125-crore project for the rejuvenation of eight tanks in the city under the mission.

On whether the Corporation's drive against plastics had lost steam, the Commissioner pointed out that all forms of plastics could not be seized. There was ban on only those that were below 20 microns.

The Collector pointed out that it was not appropriate to focus only on the supply aspect. People were being asked to avoid using plastic bags, but the response was not very encouraging.At the same time, a number of products such as oil came packed in plastic sachets. This made plastics unavoidable at the moment.

But, enough focus should be given on the disposal aspect. Reckless disposal of plastic waste was causing problems to the environment. People should not dump plastics along with garbage. If handed over separately, some could be recycled while the others could be disposed off through other safe ways.The Commissioner said the Corporation had tied-up with a cement factory for the disposal of plastics waste in the form of fuel pellets in its furnace.

Last Updated on Monday, 20 September 2010 08:39
 


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