Purification of ethylene glycol recovered from polyester resins

Details Purification of ethylene glycol recovered from polyester resins Purification of ethylene glycol recovered from polyester resins

1996-07-10

1998-06-23

Geist, Gary

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

Organic compounds

Oxygen containing

568871, 568852, C07C 3118, C07C 2726

Patent

active

057707782

ABSTRACT:
There is described a process for purifying ethylene glycol recovered from scrap polyester by contacting the recovered ethylene glycol with, in either order, a first adsorbent that has a high affinity for polar contaminants and a second adsorbent that has a high affinity for non-polar contaminants.

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