Stabilization of calcium oxide sulfate trapping materials

Details Stabilization of calcium oxide sulfate trapping materials Stabilization of calcium oxide sulfate trapping materials

1977-01-26

1977-12-06

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252457, B01J 2720, B01J 2900

Patent

active

040615936

ABSTRACT:
Sulfate absorbent calcium hydroxide is dispersed in a binder and pelletized. The pellets are exposed to carbon dioxide at elevated temperatures to convert at least a portion of the calcium hydroxide to calcium carbonate. Pellets so treated are suitable for prolonged use in fixed volume sulfur oxide and sulfate scrubber vessels.

REFERENCES:
patent: 3133824 (1964-05-01), Podschus
patent: 3519384 (1970-07-01), Engel et al.
patent: 3935294 (1976-01-01), Teller

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