Back to results
US 8,946,484 B2Granted
Method for producing phenol and/or cyclohexanone
AssigneeExxonMobil Chemical Patents Inc.
InventorsKun Wang, Roberto Garcia
Life of this patent
Estimating the term…
Abstract
In a process for producing phenol and cyclohexanone a feed comprising cyclohexylbenzene hydroperoxide and water in an amount from 1 to 15,000 ppm, based upon total weight of feed, is contacted with a cleavage catalyst comprising an aluminosilicate of the FAU type under cleavage conditions effective to convert at least a portion of the cyclohexylbenzene hydroperoxide into phenol and cyclohexanone.
Claims25
A process for producing phenol and cyclohexanone, the process comprising:
- (a) contacting a feed comprising cyclohexylbenzene hydroperoxide and 1 ppm to 15,000 ppm of water, based upon total weight of the feed, with a cleavage catalyst comprising an aluminosilicate of the FAU type under cleavage conditions effective to convert at least a portion of the cyclohexylbenzene hydroperoxide into phenol and cyclohexanone.
A process for producing phenol and cyclohexanone, the process comprising:
- (a) contacting benzene and hydrogen in the presence of a hydroalkylation catalyst under hydroalkylation conditions effective to form a first effluent stream comprising cyclohexylbenzene;
- (b) contacting at least a portion of the cyclohexylbenzene from the first effluent stream with oxygen in the presence of cyclic imide catalyst to form a second effluent stream comprising cyclohexylbenzene hydroperoxide and unreacted cyclohexylbenzene;
- and
- (c) contacting a feed comprising at least a portion of said cyclohexylbenzene hydroperoxide from (b) and water in an amount up to 15,000 ppm, based upon total weight of feed, with a cleavage catalyst comprising an aluminosilicate of the FAU type under cleavage conditions effective to convert at least a portion of the cyclohexylbenzene hydroperoxide into phenol and cyclohexanone.
1 more element
Dependencies are inferred from the claim text.