PLANT AND PROCEDURE FOR RECOVERING USED BRINE FROM DYEING VATS

摘要

A plant and a procedure is disclosed for recovering used brine from dyeing vats and in particular sodium chloride brine used in dyeing cotton yarn and fabrics. The plant is of the type comprising a plurality of stations in which the first station (2) comprises an ultrafiltration section, the second station (3) a nanofiltration section, the third station (4) a membrane washing section and an intermediate pH control station (5).