Process for producing phenols
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United States of America Patent
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Jan 19, 1993
Issued Date -
N/A
app pub date -
Feb 24, 1992
filing date -
Nov 11, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing a phenol from the steps of: (a) partially hydrogenating a benzene, followed by separating the reaction mixture into respective components of a cyclohexene, a cyclohexane and a benzene; (b) oxidizing or hydrating the separated a cyclohexene into oxygen-containing compounds of a cyclohexane; (c) dehydrogenating the oxygen-containing compounds of a cyclohexane into a phenol; (d) dehydrogenating the cyclohexane separated in step (a) to convert the cyclohexane into a benzene; and (e) returning a part or all of hydrogen formed in steps (c) and (d) back to step (a).
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