Propylene oxide purification

Details Propylene oxide purification Propylene oxide purification

1995-03-24

1996-02-20

Evans, Joseph E.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

568867, 588218, C07D30132, C07D30304

Patent

active

054930359

ABSTRACT:
Activated carbon to be used in the removal of impurities from propylene oxide is first pre-wetted with a glycol such as propylene glycol; after bed deactivation, water containing a basic catalyst is added to hydrolyze propylene oxide and to form a non-hazardous slurry of carbon, propylene glycol and water.

REFERENCES:
patent: 4692535 (1987-09-01), Larson et al.
patent: 4831196 (1989-05-01), Buonicore et al.
patent: 5187287 (1993-02-01), Shih
patent: 5352807 (1994-10-01), Shih

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