Sorbent preparation and process using same

Details Sorbent preparation and process using same Sorbent preparation and process using same

1974-06-05

1978-04-18

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

B01J 800, C01B 1700

Patent

active

040851958

ABSTRACT:
Process for preparing surface impregnated catalysts and sorbents, and flue gas desulfurization process using the same. The sorbent is produced by pre-soaking a porous solid particulate carrier material in a polar organic liquid such as a C.sub.5 -C.sub.10 alcohol, immersing the carrier without drying in an impregnating solution for a time sufficient to permit the impregnating solution to penetrate to a controlled depth without totally impregnating the carrier, and drying and calcining the impregnated carrier, whereby a contact material having an inner zone of substantially unimpregnated carrier and an outer zone of carrier impregnated with active material is produced. Sulfur dioxide is removed from flue gas by contacting the flue gas with a sorbent thus prepared. The preferred carrier for flue gas desulfurization is alumina and the preferred active material is copper oxide.

REFERENCES:
patent: 2746936 (1956-05-01), Plank
patent: 3501897 (1970-03-01), Van Helden et al.
patent: 3840643 (1974-10-01), Martin

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