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1. (WO2018089285) METHODS OF TREATING A HYDROFORMYLATION CATALYST SOLUTION

Pub. No.:    WO/2018/089285    International Application No.:    PCT/US2017/060094
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Tue Nov 07 00:59:59 CET 2017
IPC: B01J 31/40
B01J 31/18
Applicants: DOW TECHNOLOGY INVESTMENTS LLC
Inventors: BRAMMER, Michael A.
BIGI, Marinus A.
WATSON, Rick B.
Title: METHODS OF TREATING A HYDROFORMYLATION CATALYST SOLUTION
Abstract:
Disclosed herein are methods of treating a hydroformylation catalyst solution wherein the solution comprises rhodium, polyphosphoramidite ligands, and polyphosphoramidite ligand degradation products and wherein the hydroformylation catalyst solution is used to hydroformylate an olefin in an operating hydroformylation unit. In some embodiments, such methods comprise contacting the catalyst solution with a peroxide in the operating hydroformylation unit.