OSPCB asks power plants to introduce high concentration slurry disposal system

December 8, 2013 at 2:29 am Leave a comment

Following report is from the TOI:

BHUBANESWAR: The Odisha State Pollution Control Board (OSPCB) has asked power plant industries in the Sambalpur-Jharsuguda region to introduce High Concentration Slurry Disposal ( HCSD) system in an attempt to check the spreading of fly ash to other areas.

The fly ash, according to the new system, will have less water, to prevent spilling and flying of the ash. The decision of the board came after the violation of fly ash disposal by Bhushan Energy Limited (BEL) came to light.

“The ash released from the power plants to the ash ponds used to contain 90 per cent water, which was taking more space of the pond. According to the new system, industries have been asked to use 40 per cent water. So, there will be less dilution of ash and more solidification,” said regional officer of the board Sitikantha Sahu. He said the concentrated ash would get dried up easily, preventing a spill over.

The power plants release ash through elector static precipitator to the designated pond in the form of slurry. “Power plants require a huge amount of water. The new system will not only conserve water, but will save nearby agricultural lands from getting damaged due to spilling of fly ash,” said senior scientist of the board D K Behera. There are six mega power plants in Sambalpur-Jharsuguda belt. A recent OSPCB survey revealed that only 54% of the total ash generated from industries in the state is being utilized. “Lack of proper use of fly ash is not only damaging lakhs of acres of farm lands in the state, it is posing danger to water and aquatic life,” said Behera.

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Entry filed under: India, Industries and Environmental Issues, Industries and mineral resources, Industry, Economy and Environment, Infrastructure, Infrastructure and Industry, Jharsuguda, Region watch, Sambalpur, Thermal power plant.

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