Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1984-01-23
1985-09-03
Heller, Gregory A.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
423226, 423228, 423229, 423245, 423563, C01B 1716, C01B 3120, C01C 300
Patent
active
045391890
ABSTRACT:
Process and composition for removing H.sub.2 S and like sulfides from gas streams by contact with a substituted aromatic nitrile having an electron-attracting substituent on the aromatic ring at least as strong as halogen (e.g., isophthalonitrile) and an organic tertiary amine in an inert organic solvent such as N-methyl-2-pyrrolidone.
REFERENCES:
patent: 3767766 (1973-10-01), Tjoa et al.
patent: 4112051 (1978-09-01), Sartori et al.
patent: 4217231 (1980-08-01), Sartori et al.
Homsy Robert V.
Luce Mark C.
Starkston Robert
Ambrosius J. W.
Chevron Research Company
Heller Gregory A.
LaPaglia S. R.
Schaal E. A.
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