Phenol tar processing method

Details Phenol tar processing method Phenol tar processing method

1995-10-24

1997-09-30

Shaver, Paul F.

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

Organic compounds

Oxygen containing

568750, C07C 3768

Patent

active

056727747

ABSTRACT:
Valuable products are recovered from phenol tar by thermocracking under controlled conditions in the presence of polyphosphoric acid. Bisphenol A tars can be optionally cracked under these conditions mixed with the phenol tar and enhanced yields obtained.

REFERENCES:
patent: 2715145 (1955-08-01), Hawley et al.
patent: 3850996 (1974-11-01), Nixon
patent: 3968171 (1976-07-01), Burkholder et al.
patent: 4016213 (1977-04-01), Yeh et al.
patent: 4173487 (1979-11-01), Wu et al.
patent: 4207264 (1980-06-01), Anderson et al.
patent: 4310712 (1982-01-01), Langley
patent: 4358618 (1982-11-01), Sifniades et al.
patent: 4559110 (1985-12-01), Swearingen
patent: 4827050 (1989-05-01), Peter et al.
patent: 4929786 (1990-05-01), Himmele et al.
patent: 5015786 (1991-05-01), Araki et al.
patent: 5017729 (1991-05-01), Fukuhara et al.
patent: 5144094 (1992-09-01), Richmond et al.
patent: 5254751 (1993-10-01), Zakoshansky
patent: 5371305 (1994-12-01), Hood
patent: 5504251 (1996-04-01), Dyckman et al.
patent: 5510543 (1996-04-01), Fulmer et al.
"Side Reactions in the Phenol/Acetone Process. A Kinetic Study", Ind. Eng. Chem. Res. 1988, 27, 4-7, Pier Luigi Beltrame, et al.

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