EnviCat N2O-S

"Secondary Abatement" Catalyst for Removal of the Climate-Changing Gas Nitrous Oxide

Edition Date :
December 24, 2021
The catalyst EnviCat N2O-S removes nitrous oxide (N2O) from the off-gas of nitric acid (HNO3) plants. Nitrous oxide – also known as happy gas or laughing gas – is around 300 times more harmful to the climate than CO2.  
EnviCat N2O-S is a so-called “secondary abatement catalyst”: it is installed in the ammonia oxidation reactor directly underneath the primary precious metal gauze pack in a reactor basket.

Benefits

  • Converts up to 95% of N2O into harmless oxygen and nitrogen
  • The catalyst can also slightly increase nitric acid yield by improving the efficiency of the ammonia oxidation process
  • Convenient “drop-in” solution: catalyst is easy to install with little or no engineering modifications
  • Catalyst shapes optimized for low-pressure drop
  • High mechanical strength: robust in commercial operation

Documents

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Specifications

Product compositionCobalt-Manganese on Alumina
Size6.6 x 4.5 mm
Shape3-hole shape