Dehydrogenation process

摘要

A processes for producing a dehydrogenation reaction product stream comprising the step of contacting a hydrocarbon stream comprising cyclohexane and methyl cyclopentane with a dehydrogenation catalyst comprising at least one metal or compound thereof and at least one molecular sieve and under conditions effective to convert at least a portion of the cyclohexane to benzene and to convert at least a portion of the methyl cyclopentane to at least one paraffin. The hydrocarbon stream is produced by hydroalkylating benzene and hydrogen to form a hydroalkylation reaction product stream which is separated to yield the hydrocarbon stream.

主权项

1. A dehydrogenation process comprising:
(a) contacting benzene and hydrogen in the presence of a hydroalkylation catalyst under hydroalkylation conditions effective to form a hydroalkylation reaction product stream comprising cyclohexylbenzene, cyclohexane, methyl cyclopentane, and benzene; (b) dividing at least a portion of the hydroalkylation reaction product stream into a cyclohexylbenzene-rich stream and a C6-rich stream comprising cyclohexane, methyl cyclopentane, and benzene; and (c) producing a dehydrogenation reaction product stream comprising the step of contacting at least a portion of the C6-rich stream with a dehydrogenation catalyst comprising at least one metal or compound thereof and at least one molecular sieve and under conditions effective to convert at least a portion of the cyclohexane to benzene and to convert at least a portion of the methyl cyclopentane to at least one paraffin.