摘要
以太湖水为原水,进行了粉末活性炭强化处理高藻微污染水的试验研究。设计正交试验,考察改变混凝剂投加量、粉末活性炭投加量、投加点以及pH值等因素对粉末活性炭助凝效果的影响。研究了粉末活性炭强化混凝工艺对除藻及藻毒素的效果。结果表明,在pH值小于5的酸性条件以及较高混凝剂投加量下,适当投加粉末活性炭具有很好的助凝效果,能有效降低出水浊度、增加有机物的去除率;且投加粉末活性炭后能有效提高藻毒素的去除率。
Taking water from Taihu Lake as the raw water,an experiment of high algae content micro-polluted water strengthening treatment by powdered activated carbon was studied.The orthogonal experiment was designed and the influences of coagulant and powdered activated carbon dosage,dosing point,pH value,and some other factors on coagulation performance were investigated.The effect of powdered activated carbon enhanced coagulation on algae and algal toxins removal was studied.The results showed that,under the condition of pH value lower than 5 and higher coagulant dosage,a good coagulation effect could be obtained by dosing appropriate powdered activated carbon,the effluent turbidity was decreased effectively,and the removal rates of organic pollutants and algal toxins were both improved obviously.
出处
《工业用水与废水》
CAS
2010年第3期14-18,共5页
Industrial Water & Wastewater
基金
"十一五"国家科技支撑计划项目(2006BAJ08B06
2007BAC26B03)
国家科技重大专项资助(2008ZX07421-002)
上海市科委重点科技项目(072312001)
关键词
强化混凝
粉末活性炭
正交试验
吸附
太湖微污染水
enhanced coagulation
powdered activated carbon
orthogonal experiment
adsorption
micro-polluted water in Taihu Lake
