CATALYST FOR NITROGEN OXIDE PURIFICATION USE

摘要

PURPOSE: A catalyst for auto exhaust gas purification use and the manufacturing method are provided to increase purification efficiency to nitrogen oxide among the diesel auto exhaust gases. CONSTITUTION: The catalyst for nitrogen oxide purification use is compounded of: denatured zirconia dioxide that adding 2.1-5 weight percents of sulfuric(SO42-)ion to the whole amount of zirconia dioxide powder; tin, a main catalyst ingredient, carrying 0.1-0.3 weight percents and 0.2-1 weight percents by the whole amount of carrier as the standard; ethylene glycol; and propylene glycol, etc.