Patent ID: 8921604

Claim:
A process for producing cyclohexylbenzene, the process comprising: (a) reacting benzene with cyclohexene under conditions effective to produce cyclohexylbenzene and at least one polycyclohexylbenzene; (b) supplying a feed comprising at least a portion of the cyclohexylbenzene and at least a portion of the at least one polycyclohexylbenzene to a separation device to separate the feed into at least a first fraction rich in cyclohexylbenzene and a second fraction rich in the at least one polycyclohexylbenzene; and (c) separately supplying a stripping agent comprising at least one C 1 to C 11 hydrocarbon or hydrogen to the separation device at a location below where the feed in (b) is supplied to the separation device.