650ppm500ppm2000ppm1000ppmm700pp入口NOx出口NOx(ppm)人口濃度(ppm)350ppm排出NOx濃度300ppmIn terms of NOx treatment technology, there are generally the reduction and oxidation-reduction methods, where the reduction method is used when the NO proportion in the gas to be treated is small (NO■>NO), and the oxidation-reduction method is used when such proportion is large (NO■
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