聚合氯化铝铁(PAFC)用于高浊度洗煤废水处理的研究结果表明,该絮凝剂在处理洗煤废水时的最佳铝铁比为5∶5～7∶3,最佳pH使用区域为6.0～8.5,经济投药量铝铁合计为8×10~(-4)mol/L,最佳混凝沉降时间为30～60min。在最佳条件下,该絮凝剂处理高浊度洗煤废水的SS去除率为99.62％,浊度去除率为99.81％,COD去除率为97.34％,Fe的去除率为94.04％,Mn的去除率为46.67％。 Poly aluminum ferric chloride (PAFC) for high turbidity coal washing wastewater treatment results show that the flocculant in the treatment of coal washing wastewater when the optimal ratio of iron to iron 5: 5 ~ 7: 3, the optimum pH using the region as 6.0 ~ 8.5, the total amount of aluminum and iron for economic dosing is 8 × 10 -4 mol / L, and the optimal coagulation settling time is 30-60 min. Under optimal conditions, the SS removal efficiency of the flocculant for treating high turbidity coal washing wastewater was 99.62%, the turbidity removal rate was 99.81%, the COD removal efficiency was 97.34%, the removal rate of Fe was 94.04% and the removal rate of Mn 46.67%.