Separation of resorcinol from non-extractable impurities

Details Separation of resorcinol from non-extractable impurities Separation of resorcinol from non-extractable impurities

1982-08-23

1983-12-13

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203 28, 203 39, 203 43, 203 48, 203 69, 203 85, 203 96, 568753, 568763, B01D 338, B01D 340, C07C 3908

Patent

active

044203764

ABSTRACT:
An improved process for recovering high purity resorcinol produced by the rearrangement of m-diisopropylbenzene dihydroperoxide in which the rearranged product mixture is neutralized, the neutralized mixture being filtered, the filtrate being admixed with toluene, the acetone being removed by distillation and the acetone-free rearranged product/toluene mixture being steam distilled to provide an aqueous resorcinol containing phase from which the resorcinol is recovered.

REFERENCES:
patent: 2736753 (1956-02-01), Jacobs
patent: 2789142 (1957-04-01), Graham
patent: 3509028 (1970-04-01), Budd et al.
patent: 4192958 (1980-03-01), Hashimoto et al.
patent: 4273623 (1981-06-01), Hashimoto et al.

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