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Electricity from Clean Technology

Electricity from Clean Technology

With conscious mind of responsible and paying attention to the environment and the surrounding community, NPS, a part of Double A Power Group, decided to choose clean technology to produce electricity, in particular by adopting steam boilers as the heart of production process.

NPS Power Plant adopts Circulating Fluidized Bed (CFB) technology, which has been well accepted worldwide because of its versatility and capacity of burning several type of fuels and still able to controlling the emission values much higher than the standards specified in Thai law.The combustion of the CFB boiler takes place at controlled temperature of 850 degrees Celsius which helps reducing nitrogen oxides(Nox) and thereby prevent pollution. Stage air distribution in CFB boiler.Combustion is complete and help controlling Carbon Monoxide (CO2) below 130 PPM: Part Per Million as against standard of 350 PPM.Similarly, emission of Sulfur dioxide (SO2) is controlled below 450 PPM (Standard is 640 PPM) by injecting lime stone and also by using proper fly ash absorption system. The ash generated after the combustion does not go as waste but used in production of cement.

Our power plants also pay close attention in taking care of controlling dust emission. Fuels being used in our power plant are 4 stored in cover shed for avoid dust spillage. Electro Static Precipitator (ESP) is installed in the boiler for collecting the dust from the gas released though stack. These ESPs are designed for 99.5% collection efficiency of dust from gas. Our Project is also equipped with fuel gas circulation system which draws part of the flue gas from stack and sends back to boiler for helping combustion, thereby making the emission better which results in safety air quality. Our plants stack is equipped with Continuous Emission Monitoring Systems (CEMs) for continuously measuring the quality of air being emitted from smoke stack.

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NATIONAL POWER SUPPLY
PUBLIC COMPANY LIMITED

206 Moo 4, Tha Tum, Si Mahaphote District, Prachinburi 25140
TEL: 1759 Ext. 9
EMAIL: pr@npp.co.th
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