间苯二甲酸二甲酯磺酸钠生产废水的综合利用

New Treatment Process for Wastewater from Dimethyl lsophthalate Sodium Sulfonate Production

介绍了用溶剂析出法分离间苯二甲酸二甲酯磺酸钠生产废水中硫酸钠和间苯二甲酸二甲酯磺酸钠的新工艺。采用该工艺可回收废水中 90 %的硫酸钠和 80 %的间苯二甲酸二甲酯磺酸钠 。

A new process using solvent for separating sodium sulfate and dimethyl isophthalate sodium sulfonate from wastewater of dimethyl isophthalate sodium sulfonate production is introduced.The recovery rates of sodium sulfate and dimethyl isophthalate sodium sulfonate are 90% and 80% respectively.The process can realize a significant economic benefit.