Abstract : the primary treatment of wastewater could be strengthened by pretreatment of physico - chemical process and a pilot plant research was conducted to treat the combined wastewater in shanghai 文摘:介绍了污水物化法强化一级处理的特点及用于上海合流污水的中试研究，分析了单独投加铁盐、铝盐以及它们同有机高分子絮凝剂复配使用的处理效果。
