... wastewater wastewater treatment, the dressing and metal smelting process of wastewater treatment, steel and stone processing plant for the ... as eletroplate, printing and dyeing, YouZhiChang of wastewater, alcohol, gourmet powder, sugar, meat products factory of wastewater, and urban water etc. 3 ... can make the paper wet paper tension improve 10-20 times, dry paper pulling force increased by 50%, mainly ...