Title:
PROCESS FOR MAKING PHENOL AND/OR CYCLOHEXANONE
Document Type and Number:
WIPO Patent Application WO/2015/076954
Kind Code:
A3
Abstract:
A process for making phenol and/or cyclohexanone comprises: (A) oxidizing a cyclohexylbenzene feed to obtain an oxidation product comprising cyclohexylbenzene, cyclohexyl-1 -phenyl- 1 -hydroperoxide and phenol; (B) separating at least a portion of the oxidation product to obtain a first fraction comprising cyclohexyl- 1 -phenyl- 1 -hydroperoxide and a second fraction comprising cyclohexylbenzene and phenol; (C) removing at least a portion of the phenol from at least a portion of the second fraction to obtain a third fraction; (D) recycling at least a portion of the cyclohexylbenzene in the third fraction to the oxidizing step (A); and (E) contacting at least a portion of the cyclohexyl-1 -phenyl- 1 -hydroperoxide in the first fraction with an acid catalyst in a cleavage reactor under cleavage conditions to obtain a cleavage product comprising phenol and cyclohexanone.
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Inventors:
DAKKA JIHAD M (US)
PATEL BRYAN A (US)
PATEL BRYAN A (US)
Application Number:
PCT/US2014/061088
Publication Date:
November 26, 2015
Filing Date:
October 17, 2014
Export Citation:
Assignee:
EXXONMOBIL CHEM PATENTS INC (US)
International Classes:
C07C7/10; C07C37/08; C07C37/72; C07C45/53; C07C49/403; C07C407/00; C07C409/14
Domestic Patent References:
| WO2012134549A1 | 2012-10-04 |
Foreign References:
| US4169857A | 1979-10-02 |
Attorney, Agent or Firm:
CHEN, Siwen et al. (Law TechnologyP.O. Box 214, Baytown TX, US)
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