Catalyst for treating exhaust gas

Catalyst for treating exhaust gas

  • CN 104,080,532 A
  • Filed: 11/30/2012
  • Published: 10/01/2014
  • Est. Priority Date: 12/01/2011
  • Status: Active Application
First Claim
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1. a carbon monoxide-olefin polymeric, it comprises:

  • A. there is the zeolitic material that little hole on framework and silica and alumina molar ratio (SAR) are approximately 10 to approximately 30;

    B. the non-aluminium transition metal based on approximately 1.5 exchanges to about 5wt% of zeolite gross weight meter;

    WithC. the cerium at least about 1.35wt% based on zeolite gross weight meter, wherein said cerium exists to be selected from the form of cerium ion, monomer ceria, oligomeric ceria and the combination thereof of exchange, and condition is that the granularity of described oligomeric ceria is less than 5 μ


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