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Can effectively control the PM2.5 new denitration catalyst precursor substance emission

2016-1-28

         Recently, the department of fudan university environmental science and engineering professor tang happiness environmental catalytic group has developed a new type of out of stock of catalyst, using the new catalyst can effectively control PM2.5 precursor NOx emissions, to the reduction of NOx in the atmosphere into formation of the secondary particle pollution has an important positive role.

        Scientists widely believed that the desulfurization denitration is an important way to solve the problem of haze. Professor tang happiness tells a reporter, in layman's terms, "denitration" converting harmful NOx is non-toxic harmless nitrogen gas process. Studies have demonstrated that the selective catalytic reduction of NOx flue gas denitration technology (SCR) to high denitration efficiency and has been the most widely used, the development of catalysts is its core. According to introducing, this new type of catalyst can be SO2 resistance and alkali resistance at the same time, traditional catalyst by flue gas in the environment both "poison", will "poisoning" deactivation, the loss of function. At the same time, the new type catalyst also helps to solve the traditional short life of catalyst, often need to change.

         According to introducing, this technology can be widely used in thermal power plants, heavy industry, automobile and other source of NOx emission control. New type of catalyst more than 10 times higher than that of traditional catalyst life, especially in the traditional catalyst can not play a role of coal-fired industrial boilers and special boiler NOx emission control, also can still keep higher activity.