| 硅藻土处理低浓度含氟地下水的实验研究 |
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| 引用本文： | 刘蕴娴,王银叶,黎原小溪.硅藻土处理低浓度含氟地下水的实验研究[J].天津城市建设学院学报,2008,14(3). |
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| 作者姓名： | 刘蕴娴 王银叶 黎原小溪 |
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| 作者单位： | 天津城市建设学院,环境与市政工程系,天津,300384 |
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| 摘 要： | 饮水中氟化物的含量对人体的健康有重大影响,饮水中最佳的氟含量是介于0.5～1.0 mg/L之间.利用静态实验,研究了硅藻土对天津市某地区含氟浓度为4.22 mg/L的地下水中氟离子的吸附能力以及pH值、硅藻土投加量、聚合氯化铝投加量、搅拌时间、初始氟浓度对除氟效果的影响.结果表明:硅藻土在原水pH值为6,硅藻土投加量为3.0 g/L,搅拌15 min时达到最佳氟吸附效果,去除率达到97.18%.减少硅藻土投加量可提高其吸附量,最大可以达到1.78 mg/g,此时氟的平衡浓度为0.662 mg/L,证明了硅藻土在饮水除氟上有巨大的应用潜力.
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| 关 键 词： | 硅藻土 吸附 除氟 |
Experimental Study on Defluoridation to Low ConcentrationGroundwater Using Diatomite |
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| LIU Yun-xian,WANG Yin-ye,LIYUAN Xiao-xi.Experimental Study on Defluoridation to Low ConcentrationGroundwater Using Diatomite[J].Journal of Tianjin Institute of Urban Construction,2008,14(3). |
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| Authors: | LIU Yun-xian WANG Yin-ye LIYUAN Xiao-xi |
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| Affiliation: | LIU Yun-xian; WANG Yin-ye; LIYUAN Xiao-xi(Department of Environmental and Municipal Engineering; TIUC; Tianjin 300384; China); |
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| Abstract: | The concentration of fluoride in drinking water has very important effect on human health and the optimal fluo-ride content is within the range of 0.5–1.0 mg/L.The adsorptive capability of diatomite to fluoride in groundwater some-where in Tianjin with concentration of 4.217 mg/L was studied.The influence of pH valve,diatomite dose,poly aluminum chloride dose,contact time and initial concentration on defluoride was investigated by static experiment.The results showed that the optimum defluoride turned up wh... |
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| Keywords: | Diatomite adsorption defluoride |
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