Process for the preparation of phenol from cumene

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United States of America Patent

PATENT NO 8729315
APP PUB NO 20120283486A1
SERIAL NO

13508619

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Abstract

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Process for the production in continuous or semi-continuous of phenol/acetone from cumene, via cumene hydroperoxide (CHP), which comprises: a. producing CHP in an air-lift reactor in which at least the upper and/or lower part of the downcomer has a flaring; b. cleaving the cumene hydroperoxide by means of acid treatment in a loop reactor comprising two heat exchangers connected in series and wherein the feedings of CHP and fresh acetone are in pairs and each pair is positioned up-stream of each exchanger.

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Patent Owner(s)

  • VERSALIS S.P.A.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bagatin, Roberto Legnano, IT 4 10
Burattini, Mauro Cornaredo, IT 3 3

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