Process for the removal of dissolved oxygen from phenol

Details Process for the removal of dissolved oxygen from phenol Process for the removal of dissolved oxygen from phenol

C - Chemistry, Metallurgy

07

C

C07C 39/04 (2006.01) C07C 37/20 (2006.01) C07C 37/82 (2006.01) C07C 37/86 (2006.01) C07C 39/16 (2006.01) C08G 64/06 (2006.01) C08G 64/24 (2006.01) C08G 64/30 (2006.01)

Patent

CA 2334473

The present invention relates to a method for avoiding undesirable discoloration in polycarbonate production by catalytic removal of dissolved oxygen from phenol by (a) admixing hydrogen with phenol and (b) passing the phenol stream over ion exchangers doped with platinum group metals.

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