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    • 12. 发明公开
    • 자동차 배기가스 정화용 촉매
    • 用于净化车辆排气的催化剂
    • KR1020000008360A
    • 2000-02-07
    • KR1019980028148
    • 1998-07-13
    • 삼성전기주식회사
    • 김순호
    • B01J23/74B01J21/06B01J23/72
    • B01J27/055B01J35/1004
    • PURPOSE: A catalyst for purifying vehicle exhaust gas is provided to have excellent purification efficiency to nitrogen oxide among diesel vehicle exhaust gases. CONSTITUTION: The catalyst for purifying vehicle exhaust gas has: a carrier part that is made from degenerated zirconia dioxide impregnated one transferred metal oxide chosen from copper oxide and iron oxide; and a catalyst that is made from the other transferred metal oxide chosen from copper oxide and iron oxide. The degenerated zirconia dioxide dopes zirconia dioxide with sulfuric ion and the doping amount of the sulfuric ion is 0.01-10wt% of the whole amount of zirconia dioxide.
    • 目的:提供车辆尾气净化用催化剂,对柴油机废气中的氮氧化物的净化效果优异。 构成:用于净化车辆废气的催化剂具有:由退化的二氧化锆二氧化物制成的载体部分浸渍选自氧化铜和氧化铁的一种转移的金属氧化物; 以及由选自氧化铜和氧化铁的另一转移金属氧化物制成的催化剂。 退化氧化锆二氧化物用硫酸离子掺杂氧化锆二氧化物,硫酸离子的掺杂量为氧化二氧化锆总量的0.01-10重量%。