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Gold/Mining/Energy : Gasification Technologies
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From: Dennis Roth7/9/2011 9:14:15 AM
   of 1740
 
Development of IGCC plant holding NOx emissions below 70 ppm
shimbun.denki.or.jp
Jul. 08, 2011

TOKYO --Hitachi, Ltd. announced July 4 that it had developed a combustor for reduction of emissions of nitrogen oxide (NOx) from integrated coal gasification combined cycle (IGCC) plants and for stable combustion of fuels containing high concentrations of hydrogen. By applying independently developed technology, the new combustor reduced NOx emissions to the regulatory standard of no more than 70 ppm. It also enables a reduction in emissions of CO2 by about 20% as compared to the case of conventional coal-fired plants.

Hitachi is hoping to commercialize the newly developed combustor by fiscal 2012, and to apply it in an IGCC demonstration plant by around the end of fiscal 2016. It intends to continue the development work with a view to assuring levels of performance and cost competitiveness even in plants on large scales.

Hitachi has adopted an oxygen-blown type of IGCC plant. This type facilitates CO2 separation and capture, and also makes it possible to manufacture synthetic fuel and chemical materials from the combustion product gas. Meanwhile, Mitsubishi Heavy Industries, Ltd. and certain other companies are developing an air-blown type of IGCC plant. Activity aimed at the commercialization of both types is gathering momentum.
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