The reclaimed wastewater of wheat-straw pulp was degraded and treated by inorganic flocculating aluminium sulfate as blended with three different molecular weights of CPAM.

• 采用无机絮凝剂硫酸铝和三种不同分子量的聚丙烯酰胺对麦草浆中段废水进行絮凝沉降处理。