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SCR CATALYST DEVICE CONTAINING VANADIUM OXIDE AND MOLECULAR SIEVE CONTAINING IRON

  • US 20190314801A1
  • Filed: 12/20/2017
  • Published: 10/17/2019
  • Est. Priority Date: 12/20/2016
  • Status: Active Grant
First Claim
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1. Catalyst device for purifying exhaust gases containing nitrogen oxide by means of selective catalytic reduction (SCR), comprising at least two catalytic regions, the first region containing vanadium oxide and cerium oxide, and the second region containing a molecular sieve containing iron.

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