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1. (WO2018042375) METHOD FOR PRODUCING DIHYDROXY COMPOUNDS

Pub. No.:    WO/2018/042375    International Application No.:    PCT/IB2017/055256
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Fri Sep 01 01:59:59 CEST 2017
IPC: B01J 8/20
B01J 4/00
B01J 8/02
Applicants: SABIC GLOBAL TECHNOLOGIES B.V.
Inventors: DALIPARTHI, Surya Prakasa Rao
EIJSBOUTS, Paulus Johannes Maria
Title: METHOD FOR PRODUCING DIHYDROXY COMPOUNDS
Abstract:
The invention is directed to the use of an upflow reactor for producing a dihydroxy compound, to a method for producing a dihydroxy compound, and to a method for manufacturing polycarbonate. The upflow reactor for producing a dihydroxy compound of the invention comprises: a vessel; a catalyst bed disposed in said vessel; a distributor in fluid communication with an inlet through which reactants are introduced to said distributor, said distributor being disposed at a lower end of said vessel and comprising distributor perforation(s) disposed in said distributor, at least part of which distributor perforations are in a direction facing away from said catalyst bed; and a collector through which said product dihydroxy compound is removed, said collector being disposed at an upper end of said vessel.