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Combustion engine exhaust gas treatment multifonctional catalyst which contains uranium, at least one uranium promoter and at least one precious metal and process for its production
Combustion engine exhaust gas treatment multifonctional catalyst which contains uranium, at least one uranium promoter and at least one precious metal and process for its production
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机译：包含铀，至少一种铀促进剂和至少一种贵金属的内燃机废气处理多功能催化剂及其生产方法
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摘要
Multifunction catalyst, process for its preparation and its use for the treatment of the exhaust gases from internal combustion engines. …??According to the invention the catalyst comprises a porous layer containing, in % by weight, when dry: - approximately 50% to approximately 99.7% of at least one refractory inorganic oxide,… - approximately 0.1% to approximately 25% of at least one uranium oxide,… - approximately 0.1% to approximately 35% of at least one oxide of at least one metal P chosen from the group made up of lithium, sodium, potassium, rubidium, caesium, beryllium, magnesium, calcium, strontium, barium, lanthanum, praseodymium, neodymium, gadolinium, yttrium and zirconium, and… - approximately 0.1% to approximately 20% of a metal A chosen from platinum, rhodium, palladium, ruthenium, iridium and mixtures thereof.
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