Catalysts for the removal of nitrogen oxides

Details Catalysts for the removal of nitrogen oxides Catalysts for the removal of nitrogen oxides

1988-11-30

1990-10-30

Pak, Chung K.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Clay

502226, 502218, 502350, B01J 2116

Patent

active

049668730

ABSTRACT:
Disclosed is a catalyst for removing nitrogen oxides from exhaust gases from internal combustion devices such as boilers, gas turbine and diesel engines which is characterized in that the catalyst contains Component A comprising type II anhydrous gypsum (insoluble anhydrite) and Component B comprising titanium oxide, the sum of the weights of Components A and B is equal to or more than 80 weight % of the total weight of the catalyst, the weight ratio of Component B to (Component A+Component B) is between 0.05 and 0.3, and the catalyst contains at least one or more of the oxides of vanadium, tungsten, molybdenum, iron, copper, chromium and manganese.

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