Diesel exhaust gas purification catalyst and diesel exhaust gas purification system

Diesel exhaust gas purification catalyst and diesel exhaust gas purification system

  • CN 102,209,587 A
  • Filed: 11/06/2009
  • Published: 10/05/2011
  • Est. Priority Date: 11/06/2008
  • Status: Active Grant
First Claim
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1. use for diesel engine exhaust gas purifying catalyst, it possesses base material and catalyst layer, described catalyst layer is formed on the described base material, contain carrier, be carried on the noble metal on the described carrier and/or the composite oxides of its oxide and cerium and more than one IIIB family and/or IVB family elementDescribed use for diesel engine exhaust gas purifying catalyst is disposed at the upstream side of waste gas stream with respect to denitrating catalyst and uses.

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