Process for the production of phenol

Details Process for the production of phenol Process for the production of phenol

1996-07-05

1999-12-07

Mullis, Jeffrey C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568768, C07C 3708, C07C 4553

Patent

active

059986778

ABSTRACT:
The improved process for producing phenol, acetone and .alpha.-methylstyrene in the cumene-phenol process comprising cumene hydroperoxide, cumene and dimethylphenylcarbinol in the presence of sulfuric acid has the steps of decomposing the cumene hydroperoxide in a back mixing reactor with the yield of .alpha.-methylstyrene as produced from dimethylphenylcarbinol being controlled and the step of forming .alpha.-methylstyrene in such a way that the reaction mixture produced in the first step is supplied into a plug-flow reactor after acetone is added to said reaction mixture. The process is capable of consistent production of phenol and .alpha.-methylstyrene in high yields under mild reaction conditions.

REFERENCES:
patent: 4358618 (1982-11-01), Sifniades et al.
patent: 4449828 (1984-05-01), Mansour
patent: 5245090 (1993-09-01), DeCaria et al.
patent: 5254751 (1993-10-01), Zakoshansky
patent: 5463136 (1995-10-01), Blackbourn et al.
patent: 5530166 (1996-06-01), Zakoshansky et al.

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