Base metal catalysts and catalyst supports for automobile exhaust gas purification and a further two-step process.

摘要

A catalyst for treating motor vehicle gases comprising: (A) a copper component containing cuprous oxide and cupric oxide dispersed on, (B) a mixed support containing (i) one or more lanthanide oxides; (ii) one or more oxides of elements from Group II; (iii) one or more oxides of elements from Group IIIb; and (iv) one or more oxides of elements from Group IV of the Mendeleev Periodic Table.