Xylene-salt water separation method

The invention discloses a xylene-saline water separation method. The method comprises the following steps that firstly, saline water, ethanol and xylene waste liquid generated in production of polydimethylsilane (PDMS) are guided into a separation tank for standing; and after standing and layering, the saline water dissolved with the ethanol is discharged through a saline water discharge valve ofthe separation tank, and meanwhile, xylene in the separation tank is discharged through a xylene discharge valve of the separation tank. After the technical scheme is adopted, the method can be used for efficiently separating a large amount of xylene-saline water waste liquid generated in a polydimethylsilane (PDMS) preparation process and recycling ethanol and xylene in the waste liquid, so thatthe recycling of a solvent is realized, the waste liquid treatment amount is reduced, and the cost for producing the polydimethylsilane (PDMS) is reduced. 本发明公开了一种二甲苯-盐水分离方法，其包括以下步骤：先将生产聚二甲基硅烷(PDMS)产生的盐水、乙醇、二甲苯废液导进分离罐中进行静置；静置分