申请人:Nippon Shokubai Kagaku Kogyo Co., Ltd.
公开号:US04018706A1
公开(公告)日:1977-04-19
A catalyst for purifying exhaust and waste gases comprising A. a support substrate comprising 2 to 100% by weight of an oxide complex of titanium and phosphorus containing titanium and phosphrus in such a proportion that the molar ratio of TiO.sub.2 to P.sub.2 O.sub.5 is from 5.0 to 0.5 and 98 to 0% by weight of aluminum oxide, and B. supported on said substrate as a catalytic substance, 2 to 300 parts by weight, calculated as metal oxide per 100 parts by weight of the support substrate (A), of at least one heavy metal selected from the group consisting of Ni, Cu, Cr, Fe, Co, Mn, Bi, V, W, Mo, Sn, Zn, Zr, Pb, Sb, Ti, Ta, Cd and Nb, or 0.01 to 1.0 part by weight, calculated as metal per 100 parts by weight of the support substrate (A), of at least one noble metal selected from the group consisting of Pt, Pd, Rh, Ir, Os and Ru.
用于净化废气和废气的催化剂,包括A. 支撑基底,其中含有钛和磷的氧化物复合物,其含量为重量的2至100%,钛和磷的摩尔比为TiO.sub.2:P.sub.2 O.sub.5从5.0至0.5,同时含有重量为0至98%的氧化铝;B. 作为催化物质载于所述基底上,重量为100份的支撑基底(A)中计算的金属氧化物2至300份,选自Ni、Cu、Cr、Fe、Co、Mn、Bi、V、W、Mo、Sn、Zn、Zr、Pb、Sb、Ti、Ta、Cd和Nb的至少一种重金属,或重量为100份的支撑基底(A)中计算的金属的0.01至1.0份,选自Pt、Pd、Rh、Ir、Os和Ru的至少一种贵金属。