Carbon disulfide process

Details Carbon disulfide process Carbon disulfide process

2006-08-15

2006-08-15

Hendrickson, Stuart (Department: 1754)

Chemistry of inorganic compounds

Carbon or compound thereof

Binary compound

Reexamination Certificate

active

07090818

ABSTRACT:
The specification discloses a process for the manufacture of carbon disulfide from sulfur dioxide and carbon monoxide comprising two catalytic reactions. In the first reaction, sulfur dioxide and carbon monoxide are converted to carbonyl sulfide and carbon dioxide. In the second reaction, carbonyl sulfide is disproportionated to carbon disulfide and carbon dioxide. The second reaction is conducted in the presence of a solvent, which continuously removes the carbon disulfide product so as to drive the reaction to completion.

REFERENCES:
patent: 3923957 (1975-12-01), Homberg et al.
patent: 4122156 (1978-10-01), Kittrell et al.

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