Separation and oxygen-alkylation of phenols from phenol-containing hydrocarbonaceous streams
US4406780A · kind A · utility
1Cited by
10References
14Claims
0Family size
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Key dates
| Filing date | Aug 18, 1981 |
| Grant date | Sep 27, 1983 |
| Priority date | — |
| Expiry date | Aug 18, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G21/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Properties of phenol-containing hydrocarbonaceous streams are improved by first treating the stream with a C.sub.1 to C.sub.10 alcohol and an acid. If enough alcohol and acid are employed, two liquid phases are formed, an alcohol/acid phase and a hydrocarbonaceous phase. The alcohol/acid phase, which now contains phenols, can be separated and contacted with a C.sub.1 to C.sub.16 olefin or the olefin can be added in situ. In any case, oxygen-alkylation of the phenolic groups occurs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.