Phenol recovery from bisphenol-A waste streams

Details Phenol recovery from bisphenol-A waste streams Phenol recovery from bisphenol-A waste streams

1971-06-08

1982-09-28

Lone, Werren B.

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

Organic compounds

Oxygen containing

568806, C07C 3768, C07C 3904

Patent

active

043519660

ABSTRACT:
Bisphenol-A waste stream derived from the reaction of phenol and acetone in the presence of an acidic condensing agent can be treated with a molecular sieve to obtain good yields of phenol present in the effluent stream either in isolated form or as part of the compounds present in the waste stream.

REFERENCES:
patent: 3702886 (1972-11-01), Argans et al.
patent: 3948760 (1976-04-01), Gring
patent: 4036739 (1977-07-01), Ward
patent: 4131749 (1978-12-01), Kiedik et al.
patent: 4191843 (1980-03-01), Kwantes et al.
patent: 4277628 (1981-07-01), Carnahan

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