Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur
Patent
1982-01-29
1984-09-04
Straub, Gary P.
Chemistry of inorganic compounds
Sulfur or compound thereof
Elemental sulfur
423224, 423225, 423226, 423234, 423237, 423561R, 423DIG19, 606412, C01B 1702, C01B 1716, C01B 3120
Patent
active
044696680
ABSTRACT:
An integrated system for the derivation of useful energy from impure steam and/or for use in connection therewith, said steam containing both hydrogen sulfide and an alkaline acting component, such as ammonia, while producing liquid-phase and gaseous-phase effluents from condensation of the impure steam and substantially reducing the emission of sulfur-containing compounds to the environment. Treatment of such effluents to selectively react or bind alkaline acting components in the liquid-phase results in an augmented concentration of hydrogen sulfide in the gaseous-phase and its depletion in the liquid-phase. The gaseous-phase comprising noncondensable gas contaminants and uncondensed water vapor is separated from the liquid-phase steam condensate and treated to remove hydrogen sulfide to produce an environmentally acceptable vent gas which the in part is employed in said treatment of the liquid-phase effluent.
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