Exhaust gas treatment system including a lean NOx trap and two-way catalyst and method of using the same

Exhaust gas treatment system including a lean NOx trap and two-way catalyst and method of using the same

  • CN 101,979,846 A
  • Filed: 06/17/2010
  • Published: 02/23/2011
  • Est. Priority Date: 06/17/2009
  • Status: Active Application
First Claim
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1. exhaust-gas treatment system that is used for diesel engine comprises:

  • Lean nitrogen oxide (the NO that is communicated with the diesel engine fluid x) catcher, be used for receiving blast air from diesel engine;

    With the binary catalyst that lean nitrogen oxide catcher fluid is communicated with, be used for receiving blast air from the lean nitrogen oxide catcher, this binary catalyst comprises urea selective catalytic reduction (U-SCR) catalyzer and diesel particulate filter (DPF).

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