honeycombed catalyst for removing nitric oxide in waste gas, and preparing method thereof

honeycombed catalyst for removing nitric oxide in waste gas, and preparing method thereof

  • CN 104,226,373 A
  • Filed: 08/26/2013
  • Published: 12/24/2014
  • Est. Priority Date: 06/21/2013
  • Status: Active Grant
First Claim
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1. one kind for removing the honeycombed catalyst with multiple through-flow passage of nitrogen oxide from waste gas or tail gas, it is characterized in that, described honeycombed catalyst comprises substrate, described substrate comprises through washcoated fluted corrugated ceramic paper sheets and through washcoated smooth ceramic paper end liner, described substrate is rolled into tubular body and comprises and is carried on described suprabasil catalyst, described catalyst is used for the SCR of nitrogen oxide, described fluted corrugated ceramic paper and described ceramic paper end liner E glass fibre strengthen, the wall thickness through washcoated fluted corrugated ceramic paper of described honeycombed catalyst is between 0.28 millimeter to 0.38 millimeter, the wall thickness through washcoated ceramic paper end liner of described honeycombed catalyst is between 0.37 millimeter to 0.47 millimeter, the wavelength of described fluted corrugated ceramic sheet material is between 2.40 millimeters to 3.40 millimeters, and wave height is between 0.65 millimeter to 2.05 millimeters, andThe hydraulic diameter of described passage is between 0.6 millimeter to 1.5 millimeters.

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