Method of purifying cumene hydroperoxide decomposition products

Details Method of purifying cumene hydroperoxide decomposition products Method of purifying cumene hydroperoxide decomposition products

1999-02-10

2000-05-23

Killos, Paul J.

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

Organic compounds

Oxygen containing

568750, 568754, 568758, 568759, 568798, 568385, C07C 3768, C07C 3708, C07C 4500

Patent

active

060667672

ABSTRACT:
Purification of cumene hydroperoxide cleavage products from hydroxyacetone and carbonyl compounds is accomplished via extraction of hydroxyacetone and carbonyl compounds from cleavage products with a circulating water-salt solution in an extractor during an extraction stage and subsequent conversion of hydroxyacetone and other carbonyl compounds into deep condensation products in a HAC reactor operating as a plug-flow reactor or mixing reactor or as their combination. The conversion/condensation process is conducted in the water-salt solution by treating the hydroxyacetone and carbonyl compounds with alkaline agents. Various homogenous and/or heterogeneous alkaline catalysts may be used. Optionally multiple sequential extraction stages may be connected to the HAC reactor for improved performance.

REFERENCES:
patent: 4973766 (1990-11-01), Penzo et al.
patent: 5491268 (1996-02-01), Cipullo

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