Recycle of hydrogenated sulfur plant tail gas to sour gas scrubb

Details Recycle of hydrogenated sulfur plant tail gas to sour gas scrubb Recycle of hydrogenated sulfur plant tail gas to sour gas scrubb

1981-12-08

1984-01-10

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, 423573R, 55 68, 55 73, C01B 1700

Patent

active

044253176

ABSTRACT:
In a process for the separation of at least carbon dioxide and hydrogen sulfide from a raw gaseous mixture to form a purified gaseous mixture comprising passing said gas through a sour gas removal system including the steps of scrubbing said gaseous mixture with a liquid scrubbing agent having a higher affinity for hydrogen sulfide than for carbon dioxide, removing from said system an off-gas enriched in hydrogen sulfide, and passing said off-gas to a sulfur recovery system comprising the conversion of sulfur values to elemental sulfur and the recovery of a tail gas containing hydrogen sulfide and sulfur dioxide,

REFERENCES:
patent: 3710546 (1973-01-01), Grunewald et al.
patent: 4001386 (1977-01-01), Klein et al.
patent: 4080424 (1978-03-01), Miller et al.
patent: 4085199 (1978-04-01), Singleton et al.
patent: 4254094 (1981-03-01), Hegarty
Ranke, Gerhard, "Advantages of the Rectisol-Wash Process in Selective H.sub.2 S Removal from Gas Mictures", Linde Reports on Science and Technology, 18/1973, pp. 7-13.

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