Process for separating mixed monochlorotoluene isomers, a plant for carrying out the process, and the isomers separated in this manner
US4795839A · kind A · utility
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2References
3Claims
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Assignee
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Key dates
| Filing date | Jul 15, 1983 |
| Grant date | Jan 3, 1989 |
| Priority date | — |
| Expiry date | Jul 15, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/389
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for separating mixed monochlorotoluene isomers, which comprises a first stage of adsorption carried out by passing said mixture through at least one column filled with a zeolite, and a second stage of deadsorption from said zeolite carried out by passing two deadsorbents in succession in the vapor phase through the column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.