Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Patent
1999-03-23
2000-08-08
Griffin, Steven P.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
423220, 423228, 423234, 4234372, 44300, 481983, 208208R, 210749, 585800, B01D 5300, B01J 1000
Patent
active
060998156
ABSTRACT:
A method is provided for removing carbonyl sulfide out of a H.sub.2 O-containing fluid stream, such as petrochemical vent gas, air, carbon dioxide, nitrogen and hydrocarbons, by determining how much carbon monoxide is present in the fluid stream; adding carbon monoxide to the fluid stream to obtain a carbon monoxide to carbonyl sulfide volume ratio of at least 1:1 and to also convert the carbonyl sulfide into hydrogen sulfide and carbon dioxide, and passing the hydrogen sulfide containing fluid through a hydrogen sulfide removal system, so as to obtain a fluid substantially free from carbonyl sulfide and hydrogen sulfide.
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Kohl et al. "Gas Purification" Gulf Publishing Co. Houston TX, 15BN. 0-87201-314-6, 4th Ed. pp. 29, 422 & 442, 1985.
"Treat propane for COS removal;" by M. B. Mick, Exxon Co., U.S.A.; Hydrocarbon Processing (Jul. 1976);pp. 137-142.
Kay Brian R.
Scranton Delbert C.
Griffin Steven P.
The SulfaTreat Company
Vanoy Timothy C
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