A PROCESS FOR PURIFYING ORGANIC PRODUCT SOLUTION OBTAINED FROM OXIME SYNTHESIS SECTION

摘要

A continuous process for purifying organic product solution comprising oxime dissolved in an organic medium comprising: (1) discharging the organic product solution from a oxime synthesis section [I] to a liquid-liquid mixing section [III]; (2) mixing the organic product solution with a water and/ or an aqueous solution and discharging the resulting mixture to liquid-liquidseparator [IV]; (3) separating organic top layer from aqueous bottom layer in liquid-liquidseparator [IV] and recovering oxime from the organic top layer in an oxime recovery section; (4) feeding the aqueous bottom layer of liquid-liquidseparator [IV] to the oxime synthesis section [I], optionally a fraction of which being fed back into the liquid- liquid mixing section [III].