Process for removing hydrogen sulfide and mercury from gases

Details Process for removing hydrogen sulfide and mercury from gases Process for removing hydrogen sulfide and mercury from gases

1987-09-25

1988-11-22

Doll, John

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

252184, 25218632, 423224, 423230, 4235731, B01D 5334

Patent

active

047864834

ABSTRACT:
Disclosed is a sorbent material for removing mercury and hydrogen sulfide from gases. The sorbent is a porous granular material which has been impregnated with a chemical compound capable of converting mercury to the oxide form and simultaneously hydrogen sulfide to elemental sulfur. Sorbent materials include silica, alumina, silica-alumina, molecular sieves, and mixtures of two or more of these. The reactive compound disclosed is an alkali metal peroxomonosulfate salt, for example, potassium peroxomonosulfate. In a variation the gas can be contacted directly with an aqueous solution of the chemical compound such as the alkali peroxomonsolufate salt.

REFERENCES:
patent: 4070300 (1978-01-01), Moroni et al.
A Comprehensive Treatise On Inorganic and Theoretical Chemistry, Mellor, Longmans, Green and Co., 1946, vol. IV, p. 757.

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