Descaling of bisphenol-A reactor using water

Details Descaling of bisphenol-A reactor using water Descaling of bisphenol-A reactor using water

1998-04-06

2000-01-04

Kunz, Gary L.

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

Organic compounds

Oxygen containing

568723, 568724, 568727, 568728, C07C 3912, C07C 3916, C07C 3768

Patent

active

060111844

ABSTRACT:
An integrated process for the preparation and recovery of BPA in pure form utilizes a series of steps to crystallize the 1:1 adduct of phenol and bisphenol-A, with periodic descaling of the crystallizer surfaces with a modified reactor/crystallizer containing 1 to 40 percent water.

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