Benzene removal in an isomerization process
US5246567A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1992 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | Feb 10, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G69/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process is provided for the hydrogenation of benzene and the isomerization of a light naphtha feedstock consisting essentially of a stream having a boiling range of from about 50.degree. F. to about 240.degree. F. comprising the steps of contacting the light naphtha feedstock at isomerization conditions in an isomerization reaction zone with an isomerization catalyst in the presence of hydrogen and producing an isomerization reaction zone effluent, combining the isomerization reaction zone effluent with a supplemental benzene-containing stream comprising at least 1 weight percent benzene and forming a hydrogenation zone feedstock, and hydrotreating the hydrogenation zone feedstock at hydrogenation conditions in a hydrogenation reaction zone with a hydrogenation catalyst in the presence of hydrogen for producing an isomerate product comprising less than 0.1 weight percent benzene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.