Process for the reduction of phenol content in a crude organic s

Details Process for the reduction of phenol content in a crude organic s Process for the reduction of phenol content in a crude organic s

1994-06-24

1996-01-30

Manoharan, Virginia

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 36, 203 37, 203 98, 568749, 568754, B01D 334, C07C 3774

Patent

active

054878160

ABSTRACT:
A process to separate in a fractionation zone an admixture comprising phenol, alpha-methylstyrene and water to produce an alpha-methylstyrene stream containing a minimum of phenol. The pH of the overhead aqueous phase is adjusted with a base to greater than about 6.

REFERENCES:
patent: 4634796 (1987-01-01), Suciu et al.
patent: 4851086 (1989-07-01), Khonsari et al.
patent: 5064507 (1991-11-01), O'Donnell et al.
patent: 5091058 (1992-02-01), Davie
patent: 5122234 (1992-06-01), Elishewitz et al.
patent: 5131984 (1992-07-01), Chan et al.

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