Cumene oxidation process

Details Cumene oxidation process Cumene oxidation process

1996-06-27

1998-06-16

Ivy, C. Warren

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

Organic compounds

Oxygen containing

C07C40910

Patent

active

057673225

ABSTRACT:
Greater efficiency in a water-alkaline emulsion cumene oxidation process using a cascade of reactors is obtained by splitting the reactor cascade into 2 stages with the first stage utilizing NH.sub.4 NaCO.sub.3 as the active carbonate in the stage containing less than 18% by weight cumene hydroperoxide and using Na.sub.2 CO.sub.3 as the active carbonate in the stage containing more than 18% by weight cumene hydroperoxide. By directly injecting ammonia into a recycle stream organic acids are efficiently neutralized. A counter current water wash of the second stage also increases process efficiency by scrubbing out unwanted impurities. Control of pH in the process improves efficiency and reduces impurity levels.

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Cert. No. 858313 Application #2843504, filed Nov. 27, 1979, SUX.
Certificate No. 567723 Application #2134382, filed May 16, 1975, SUX.

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