C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/221
C10G 29/20 (2006.01) C10G 29/22 (2006.01)
Patent
CA 1270222
ABSTRACT OF THE DISCLOSURE REMOVAL OF HYDROGEN SULPHIDE Hydrogen sulphide is scavenged from a feedstock comprising crude oil and hydrogen sulphide by adding a compound of general formula: Image to the feedstock. X and Y are carbon or nitrogen atoms and the interatomic bond is triple or double as appropriate. Any two or more of R1-R4 are organic groups containing electronegative functional groups. The remaining two or less of R1-R4 are hydrocarbyl groups, hydrogen atoms or zero. Preferred scavengers include di-isopropylazo dicarboxylate and dimethylacetylene dicarboxylate.
528026
Hodgson Philip K.g.
Mcshea Julie A.
Tinley Edward J.
British Petroleum Company P.l.c. The
Hodgson Philip K.g.
Mcshea Julie A.
Ridout & Maybee Llp
Tinley Edward J.
LandOfFree
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