Process for the hydrotreatment of an olefinic gasoline...

Details Process for the hydrotreatment of an olefinic gasoline... Process for the hydrotreatment of an olefinic gasoline...

2005-11-25

2009-06-23

Dang, Thuan Dinh (Department: 1797)

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Hydrocarbon is contaminant in desired hydrocarbon

C585S261000, C585S262000, C208S057000, C208S145000

Reexamination Certificate

active

07550636

ABSTRACT:
The invention relates to a process for the hydrotreatment of an olefinic gasoline comprising at least one selective hydrogenation stage, and generally of simultaneous conversion of mercaptans by weight increase, in which the makeup hydrogen used in this stage or these stages has a reduced CO+CO2content, preferably comprised between 5 and 200 ppmv. Most often, the CO content is comprised between 1 and 20 ppmv. The process typically makes it possible to hydrorefine an olefinic gasoline by more or less eliminating the diolefins and sulphur compounds.

REFERENCES:
patent: 3471400 (1969-10-01), Cosyns et al.
patent: 3492220 (1970-01-01), Lempert et al.
patent: 5356851 (1994-10-01), Sarrazin et al.
patent: 2003/0221994 (2003-12-01), Ellis et al.
patent: WO 03102114 (2003-12-01), None

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