Hydroisomerization of olefins comprising between 4 and 6...

Details Hydroisomerization of olefins comprising between 4 and 6... Hydroisomerization of olefins comprising between 4 and 6...

2002-09-20

2008-10-07

Dang, Thuan Dinh (Department: 1797)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

C585S259000

Reexamination Certificate

active

07432407

ABSTRACT:
The invention relates to a process by which C4- to C6-olefins or an essentially sulfur-free olefin cut comprising C4- to C6-olefins is isomerized over a catalyst comprising an element of the eighth transition group of the Periodic Table, in the presence of at least one added sulfur compound, and any polyunsaturated hydrocarbons contained therein are selectively hydrogenated and hydroisomerized, and also the sulfur compounds are separated from the product and optionally recycled, so that virtually sulfur-free products are obtained.

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