Exhaust gas catalyst with a reduced tendency to accumulate...

Details Exhaust gas catalyst with a reduced tendency to accumulate... Exhaust gas catalyst with a reduced tendency to accumulate...

B - Operations, Transporting

01

J

23/342, 252/48,

B01J 23/56 (2006.01) B01D 53/94 (2006.01) B01J 23/63 (2006.01)

Patent

CA 1335278

An oxidizing and reducing exhaust gas purification catalyst for internal combustion engines, with a reduced tendency to accumulate sulfur oxides and H2S emission contains active Al2O3 as a carrier, this being charged with CeO2 and optionally ZrO2, as well as Pt, Pd, and/or Rh, and in addition containing 0.7 to 20%- wt B2O3 relative to the Al2O3.

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