CAJ | 학술논문

采.采用分别添加金属离子Fe~(3+)和Zn~(2+)的方法制备多核复合型絮凝剂聚合氯化铝铁(PAFC)和聚合氯化铝锌(PAZC),并与市售聚合氯化铝(PAC)比较处理高岭土模拟水样后出水残留铝浓度,得出复合絮凝剂具有更低的出水余铝量及更宽的pH适用范围以及更低的投加量.达到85%COD去除率,PAZC、PAFC和PAC用量分别为5、10和20 mg/L;处理后出水残余铝量分别为0.04、0.09和0.14 mg/L;处理成本分别为0.020、0.028和0.048元/t.
채.채용분별첨가금속리자Fe~(3+)화Zn~(2+)적방법제비다핵복합형서응제취합록화려철(PAFC)화취합록화려자(PAZC),병여시수취합록화려(PAC)비교처리고령토모의수양후출수잔류려농도,득출복합서응제구유경저적출수여려량급경관적pH괄용범위이급경저적투가량.체도85%COD거제솔,PAZC、PAFC화PAC용량분별위5、10화20 mg/L;처리후출수잔여려량분별위0.04、0.09화0.14 mg/L;처리성본분별위0.020、0.028화0.048원/t.
Multi-core composite polyaluminum coagulants PAFC and PAZC were prepared by adding Fe~(3+) and Zn~(2+) respectively. Assaying of residual aluminum shows that composite coagulants PAFC and PAZC have wider pH range, lower residual aluminum concentrations, fewer dosages. For archieving 85% of COD removal efficiency treated by PAZC, PAFC and PAC respectively, the dosages of coagulant are 5 ,10 and 20 mg/L; the residual alumimum of treated effluent are 0.04, 0.09 and 0.14 mg/L; the treatment costs are 0.020, 0.028 and 0.048 yuan/t.