Isobutene removal from C4 streams
US4313016A · kind A · utility
24Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1980 |
| Grant date | Jan 26, 1982 |
| Priority date | — |
| Expiry date | Oct 23, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S585/921
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The isobutene in C.sub.4 hydrocarbon streams containing from 0.5 to 5% isobutene and n-butenes is reduced preferably to a level of 0.2 mole % or less by passing the feed stream at LHSV 2.5 to 12 in liquid phase through a fixed-bed cation exchange resin catalyst in a tubular reactor with a water heat exchange medium maintained at a temperature of 50.degree. to 80.degree. C., whereby the isobutene is oligomerized and easily separated from the remaining C.sub.4 's by fractionation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.