Comulled silica-alumina base denitrification catalyst

Details Comulled silica-alumina base denitrification catalyst Comulled silica-alumina base denitrification catalyst

1979-11-05

1981-09-15

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252455R, B01J 2112

Patent

active

042896533

ABSTRACT:
An extruded silica-alumina base catalyst is prepared by cogelling a silica sol solution containing aluminum and having a pH in the range of about 1-3. The cogelled silica-alumina is peptized to form an extrudable dough and may be mulled with Group VI-B and Group VIII metals to prepare a denitrification catalyst extrudable composition.

REFERENCES:
patent: 2872410 (1959-02-01), Erickson
patent: 2908635 (1959-10-01), Ogorzaly
patent: 3496116 (1970-02-01), Anderson et al.
patent: 3661805 (1972-05-01), Horvath

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