Reduction of the Bromine Index of linear alkylbenzenes

Details Reduction of the Bromine Index of linear alkylbenzenes Reduction of the Bromine Index of linear alkylbenzenes

2008-06-24

2008-06-24

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

Reexamination Certificate

active

07390933

ABSTRACT:
In a process for reducing the Bromine Index of a feed containing a linear alkylbenzene and bromine-reactive olefinic hydrocarbon contaminants, the feed is contacted under conditions effective to remove bromine-reactive olefinic hydrocarbon contaminants with a catalyst comprising zeolite Y catalyst having an alpha value of about 2 to about 30. The feed will normally also contain benzene and linear paraffin remaining from the alkylation process used to produce the linear alkylbenzene.

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Novak et al., “Laboratory Evaluation of Clays in the Treatment of Benzene-Toluene-Xylene Feedstocks”, Ind. Eng. Chem. Res., 1989, 28, pp. 1567-1570.

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