Solid phosphoric acid catalyst and methods of olefin dimerization reaction with the same
US8203025B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 2006 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/182
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention provides a solid phosphoric acid catalyst which has high activity and attains high dimer selectivity in olefin dimerization reactions and efficient methods of olefin dimerization. The solid phosphoric acid catalyst comprises a carrier and phosphoric acid supported thereon. When the solid phosphoric acid catalyst is heated at 250° C. for 20 minutes, heating loss of water is 50 mass % or more based on diphosphorus pentoxide (P2O5) derived from the phosphoric acid. A method of olefin dimerization comprises bringing an olefin-containing feed material containing water in an amount of 10-1000 mass ppm into contact with the catalyst to initiate the reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.