Separation of ortho aromatic isomers by selective adsorption with an aluminophosphate
US4482776A · kind A · utility
5Cited by
4References
14Claims
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Key dates
| Filing date | Jun 27, 1983 |
| Grant date | Nov 13, 1984 |
| Priority date | — |
| Expiry date | Jun 27, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/13
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved process for separating ortho aromatic isomers from a feed stream containing a mixture of aromatics by contacting the feed stream with a bed of the crystalline aluminophosphate adsorbent AlPO.sub.4 -5. The adsorbed ortho aromatic isomers is removed from the adsorbent by desorption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.