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PROCESS FOR PREPARING CATALYTIC COMPOUNDS EFFICIENT AT CATALYTIC OXIDATION OF CARBON MONOXIDE AND UNBURNED HYDROCARBONS AT EXHAUST GASSES OF VEHICLES AND OTHER WASTE GASSES
PROCESS FOR PREPARING CATALYTIC COMPOUNDS EFFICIENT AT CATALYTIC OXIDATION OF CARBON MONOXIDE AND UNBURNED HYDROCARBONS AT EXHAUST GASSES OF VEHICLES AND OTHER WASTE GASSES
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机译:用于在车辆和其他废物排放气体上一氧化碳和未燃烧的烃进行催化氧化的高效催化化合物的制备方法
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摘要
A chromium-contg. tin oxide catalyst compsn. (A) comprises the prod. obtd. by impregnating tin (IV) oxide (SnO2) with chromium (VI) oxide (CrO3), and calcining the impregnated prod. A catalytic converter for vehicle exhaust system comprises catalyst (A). A method for (a) the catalytic oxidn. of carbon monoxide and/or (b) the catalytic oxidn. of hydrocarbons and/or (c) the catalytic redn. of nitrogen oxides in a gaseous medium comprising contacting the latter with catalyst (A).
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