Process for the desensitization of water-insoluble peroxycarboxy

Details Process for the desensitization of water-insoluble peroxycarboxy Process for the desensitization of water-insoluble peroxycarboxy

1988-10-28

1989-10-17

Gray, Bruce

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

Organic compounds

Percarboxylic acids or salts thereof

562 3, C07C179133

Patent

active

048745561

ABSTRACT:
A process for desensitization of water insoluble peroxycarboxylic acids with essentially sodium sulfate in the aqueous phase, wherein the desensitized peroxycarboxylic acids is separated from the mother liquor, and the sodium sulfate contained in the mother liquor is isolated by one- or multi-stage crystallization in purified form as the deca (hepta) hydrate and this, directly or after conversion to an aqueous sodium sulfate solution, and/or anhydrous sodium sulfate is returned to the desensitization process. The process is nonpolluting and can be operated safely on the industrial scale. The peroxycarboxylic acids desensitized according to the invention are characterized by lower heavy metal content and high storage stability.

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