The waste-acid via salting out with NaHSO4 saturated solution to remove organic impurity among it, then carry on recycle use.
通过硫酸氢钠饱和溶液盐析废酸，除去其中的有机杂质，使回收得到的硫酸重新投入循环生产中。
Mechanical impurity, colloid, iron, animalcule, algae and organic compound are the objects to remove by the pretreatment.
预处理系统的处理对象主要是进水中的机械杂质、胶体、铁、微生物、藻类、有机物等。
GZT, a new organic depressor developed by Guangxi University, was used in the laboratory and industrial tests for reducing the impurity and improving the grade of Changpo Concentrator's lead-antimony.
采用广西大学研制的新型有机抑制剂gzt，进行了降低长坡选矿厂铅锑精矿杂质含量、提高精矿铅锑品位的实验室小型试验和工业试验。
GZT, a new organic depressor developed by Guangxi University, was used in the laboratory and industrial tests for reducing the impurity and improving the grade of Changpo Concentrator's lead-antimony.
采用广西大学研制的新型有机抑制剂gzt，进行了降低长坡选矿厂铅锑精矿杂质含量、提高精矿铅锑品位的实验室小型试验和工业试验。
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