Removal of hydrogen sulphides

Details Removal of hydrogen sulphides Removal of hydrogen sulphides

1989-03-20

1990-03-20

Myers, Helane

Mineral oils: processes and products

Refining

Sweetening

208 47, 208204, 208206, 208207, 208236, 208208R, 208237, 208240, 252396, 423244, 423270, 423224, 166265, 166267, 175 64, C06

Patent

active

049099256

ABSTRACT:
Hydrogen sulphide is scavenged from a feedstock comprising crude oil and hydrogen sulphide by adding a compound of general formula ##STR1## to the feedstock. R is an alkyl group containing 1 to 18 carbon atoms, an aryl group, or an alkyl aryl group wherein the alkyl moiety contains 1 to 18 carbon atoms and L is a leaving group.
Preferred scavengers include acetic anhydride and triacetamide.

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patent: 4556111 (1985-12-01), Wu et al.
patent: 4569766 (1986-02-01), Korol et al.
patent: 4680127 (1987-07-01), Edmondson

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