【摘要】 以聚合氯化铝铁为混凝剂、阴离子型聚丙烯酰胺为助凝剂,采用混凝法处理丙烯腈-丁二烯-苯乙烯树脂(ABS)废水(简称废水),考察了聚合氯化铝铁加入量、沉降时间、搅拌转速、搅拌时间、废水pH和混凝温度对废水处理效果的影响。实验结果表明,在聚合氯化铝铁加入量50 mg/L、阴离子型聚丙烯酰胺加入量2 mg/L、废水pH 6.0～8.0、快速搅拌1 min、慢速搅拌6 min、沉降时间25 min、混凝温度20～25℃的条件下,废水的SS去除率达97%以上,COD去除率达77%以上。更多还原

【Abstract】 The wastewater containing acrylonitrile-butadiene-styrene(ABS)was treated by coagulation process using poly-ferric-aluminium-chloride(PAFC)as coagulation agent and anionic polyacrylamide (PAM)as coagulant aid.The affecting factors were investigated.Under the conditions of PAFC dosage 50 mg/L,PAM dosage 2 mg/L,wastewater pH 6.0-8.0,fast stirring time 1 min,slow stirring time 6 rain,sedimentation time 25 min and coagulation temperature 20-25℃,the removal rate of SS is over 97%,and that of COD is over 77%.更多还原