Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By addition of extraneous agent – e.g. – solvent – etc.
Patent
1992-06-08
1993-06-15
Garvin, Patrick P.
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By addition of extraneous agent, e.g., solvent, etc.
585854, 585868, C07C 710
Patent
active
052201031
ABSTRACT:
A process for the continuous preparation of a cumene feed for cumene oxidation from a fresh cumene stream and a recycle cumene stream containing trace quantities of at least one organic acid compound by a dilute caustic wash of the contaminated cumene streams followed by a water wash of the cumene streams in a single vessel with multiple contacting sections. A portion of the water wash is supplied by a waste water stream from an oxidate wash zone having trace quantities of cumene hydroperoxide.
REFERENCES:
patent: 2884377 (1959-04-01), Bozich et al.
patent: 3284506 (1966-11-01), Mantegazza et al.
patent: 4370205 (1983-01-01), Pujado et al.
Schulz Russell C.
Tagamolila Constante P.
Cutts, Jr. John G.
Garvin Patrick P.
Irzinski E. D.
McBride Thomas K.
Tolomei John G.
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