微絮凝过滤工艺在建筑景观水处理中的应用  

STUDY ON MICRO-FLOCCULATION FILTRATION IN ARCHITECTURAL LANDSCAPE WATER TREATMENT

作　　者：许美玲[1] 李星[1] 杨艳玲[1] 韩星航 赵锂[2] 陈永[2] 

机构地区：[1]北京工业大学建筑工程学院,100124 [2]中国建筑设计研究院有限公司,北京100044

出　　处：《水处理技术》2015年第9期83-86,共4页Technology of Water Treatment

基　　金：国家科技支撑计划(2013BAJ02B02)

摘　　要：采用微絮凝过滤工艺对比研究了聚合氯化铝(PAC)、硫酸铝(Al2(SO4)3)、聚合硫酸铁(PFS)和三氯化铁(Fe Cl3)4种常用混凝剂对景观水体中污染物的去除效果,同时研究了助凝剂PAM及滤速对除污染效果的影响。并对过滤性能进行了初步分析。结果表明,PAC的综合除污染效果优于其他3种混凝剂,并在投药量为12 mg/L时除污染效果最佳;通过投加PAM可以提高对污染物的去除效果,综合考虑PAM的最佳投药量为0.1 mg/L;滤速对除污染效果影响较小,但会影响过滤周期及过滤性能,滤速为2 m/h时过滤效能因子FN值最小,具有较好的整体过滤效能。The removal efficiency of pollutants by four commonly used coagulants, i.epoly aluminum chloride （PAC）, （aluminum sulfate （Al2（SO4）3）, poly ferr!c sulfate （PFS） and ferric chloride （FeCl3） were comparatively studied in micro-flocculation filtration experiments. And the effect of coagulant PAM and filtration rate on pollution removal efficiency were studied, and filtration performance was analyzed preliminarily. The results showed that the removal efficiency of pollutants of PAC was better than the other three kinds of coagulants, and the optimum dosage of PAC was 12 mg/L. Adding PAM could increase the removal efficiency of pollutants, the optimal dosage of PAM was 0.1 mg/L under comprehensive consideration. Filtration rate had less influence on the removal efficiency of pollutants, but it would affect the filtration cycle and filtration efficiency. Filtration efficiency factor was the least when the filtration rate was 2 m/h, in which condition it showed a better overall filtration efficiency.

关 键 词：建筑景观水 微絮凝过滤 除污染效果 过滤效能 

分 类 号：TQ424[化学工程] X703.1[环境科学与工程—环境工程]