摘要
为了降低饮用水中有机微污染物的浓度,对矿物高岭土复配聚合氯化铝(PAC)吸附-混凝-共沉降去除腐殖酸进行了研究,结果表明:矿物高岭土与PAC复配的最佳量均为12 mg/L,此时水样浊度、腐殖酸去除率分别达到98.9%和97.9%,出水残余铝浓度0.16 mg/L。高岭土复配对于处理后水中铝形态也产生了影响,与单独使用PAC相比,总铝浓度降低了24%,特别是对人体毒害较强的溶解态铝浓度降低了71%。
A study was conducted to determine the effectiveness of polyaluminium chloride （PAC） compounded with clay on reducing the concentration of organic pollutant humic acid from drinking water. The results show that the clay compounded with PAC can create an effective coagulating effect on humic acid. 12 mg/L PAC compounded with 12 mg/L kaolin has a removal rate of 98.9% for turbidity and 97.9% for humic acid, with a concentration of 0. 16 mg/L for residual aluminum. The distribution of aluminum species changed while total aluminum concentration decreased by 24% and that of dissolved aluminum decreased by 71%.
出处
《环境工程学报》
CAS
CSCD
北大核心
2009年第6期1041-1043,共3页
Chinese Journal of Environmental Engineering
基金
青岛市科技计划项目(06-2-2-20-jch)
关键词
腐殖酸
混凝
PAC
复配
铝形态分布
humic acid
coagulation
PAC
compounding
aluminum species distribution
