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GE Power wins contract for NOx reduction technology across 10 GW of Indian power plants

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World Coal,

GE Power India Ltd. (GEPIL) has announced that it has been awarded a Rs 142 crore (US$20 million) order by NTPC for supply and installation of low NOx combustion system for 10 GW of thermal power plant capacity across the country. This is the first project awarded on such a large scale by NTPC to install low NOx combustion technology at its thermal power plant fleet.

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% of NOx emissions from these coal-fired boilers up to a level of less than 400 mg/Nm3 at 6% oxygen content in flue gas on dry gas basis at induced draft (ID) fan outlet.

The projects that have been selected for installation of low NOx combustion systems includes Stage-I (2 x 500 MW), Mouda Super thermal power plant (STPS); Stage-I (3 x 660 MW) & Stage-II (2 x 500 MW) Sipat STPS; Stage-III (2 x 500 MW); Stage-IV (2 x 500 MW) & Stage-V (1 x 500 MW), Vindhyachal STPS; Stage-II (2 x 500 MW) Simhadri STPS; (3 x 500 MW) Vallur TPS; Stage-III (2 x 500 MW), Talcher STPS. The low NOx combustion system will be delivered in a phased manner over a period of over 30 months.

“We are truly delighted to have received this prestigious order from NTPC which is reflective of the commitment of GE towards helping the country address the critical issue of emission from the coal power plants. With more than 150 GW of coal-fired plants operating at sub-critical level, India is the world’s second largest NOx emitter, contributing close to 30% of annual NOx emissions of the country’s industrial sector”, said Lalit Sankrani, Clean Combustion Leader – GE South Asia.

“While the industry is slowly waking up to adopt new technologies such as flue gas desulphurisation (FGD) for curbing SOx emissions from thermal power plants, there is still a journey to be covered as far as addressing NOx emissions are concerned. It is high time de-Nox solutions are also taken seriously to address the emissions compliance needs for the country,” he further added.

Earlier 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 two 490 thermal plant in Dadri, Uttar Pradesh and the two 136 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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India coal news