发明名称 METHOD OF PRODUCING PERCARBOXYLIC ACID CONTAINING SOLUTION
摘要 Process for continuous production of substantially anhydrous solutions of perpropionic acid in benzene. Aqueous hydrogen peroxide is first reacted with propionic acid in the presence of acid catalyst to form perpropionic acid and water (1). The perpropionic acid is extracted with benzene (5), to provide a benzene phase containing the perpropionic acid (11) and an aqueous raffinate (7). The benzene phase is subjected to an extraction with water (12) involving at least 3 stages, to remove hydrogen peroxide, and the resulting benzene extract (15) is subjected to azeotropic distillation (26) to provide the anhydrous solution (17). The aqueous raffinate, which contains hydrogen peroxide, is distilled to remove water (8) and the resulting concentrate is recycled (2) for use in the reaction (1).
申请公布号 JPS51133221(A) 申请公布日期 1976.11.18
申请号 JP19760047901 申请日期 1976.04.28
申请人 DEUTSCHE GOLD * SILBER SCHEIDEANSTALT VOR ROSSL;BAYER AG 发明人 GIYUNTAA PURETSUSHIYAA;GERUTO SHIYURAIYAA;OTSUTOO BAIBERUKU;RORUFU BIRUTOBAIN;HERUMUUTO BARUDOMAN;HERUMAN ZAIFUERUTO;BURUFU SHIYUBAATERU;BORUFUGANKU SUBODENKU
分类号 C07C67/00;C07C407/00;C07C409/24 主分类号 C07C67/00
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