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GE Power India has bagged a ₹ 142 crore order from NTPC for supply and installation of low NOx combustion system for 10 GW of thermal power plant . This is the first project awarded on such a large scale by NTPC to install this technology at its thermal power plants , said a company statement.
“The project involves in-combustion system modification of the boiler by staging the combustion air in the furnace to reduce the generation of fuel and thermal NOx during the combustion process. The combustion modification technology can help reduce 30-40 per cent of NOx emissions from these coal-fired boilers up to a level of less than 400 mg/Nm3 at 6 per cent oxygen content in flue gas on dry gas basis at Induced Draft Fan outlet,” the statement said.
The projects that have been selected include the Mouda Super Thermal Power Station (STPS), Sipat STPS, Vindhyachal STPS, Simhadri STPS, Vallur Thermal Power Station (TPS) and Talcher STPS. The low NOx combustion system will be delivered in a phased manner over a period of over 30 months, the statement added.
In September 2018, GE was selected by NTPC and Tata Chemicals to upgrade two coal-fired boilers in India with low NOx firing system, namely NTPC’s 2x490 thermal plant in Dadri, Uttar Pradesh and the 2x136 TPH Boiler Tata Chemicals Ltd in Mithapur, Gujarat, which was the first standalone order for low NOx firing system upgrade in any coal-fired utility and industrial boilers respectively in India.
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