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US 7,763,227 B2Granted
Process for the manufacture of carbon disulphide
AssigneeShell Oil Company
InventorDean Chien Wang
Life of this patent
Estimating the term…
Abstract
A process for the manufacture of carbon disulfide comprising the following steps: (a) reacting carbon monoxide with hydrogen sulfide to form carbonyl sulfide and hydrogen; (b) contacting the carbonyl sulfide formed in step (a) with a catalyst effective for disproportionating carbonyl sulfide into carbon disulfide and carbon dioxide.
Claims9
A process for the manufacture of carbon disulphide comprising the following steps:
- (1) providing a hydrocarbon feedstock comprising hydrogen sulfide;
- (2) separating at least a portion of the hydrogen sulfide from the hydrocarbon feedstock:
- (3) partially oxidizing at least a portion of the hydrocarbon feedstock from step 2 into a synthesis gas comprising carbon monoxide and hydrogen;
- (4) separating at least a portion of the hydrogen from the synthesis gas from step 3, leaving a carbon monoxide enriched synthesis gas;
- (5) reacting carbon monoxide from step 4 with hydrogen sulphide from step 2 to form carbonyl sulphide and hydrogen;
- (6) contacting the carbonyl sulphide from step 5 with a catalyst effective for disproportionating carbonyl sulphide into carbon disulphide and carbon dioxide.
3 more elements
Dependencies are inferred from the claim text.