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作 者:邵坚[1] 陆建红[1] 邹仲勋[1] 王秋慧[1]
机构地区:[1]华北水利水电学院环境与市政工程学院,河南郑州450011
出 处:《中国给水排水》2009年第15期100-102,共3页China Water & Wastewater
基 金:河南省科技攻关项目(0424270134)
摘 要:在双铝极板电絮凝法的基础上引入锌电极,考察锌铝电极电絮凝法对高氟饮用水的除氟效果。静态试验结果表明,采用锌铝电极可以有效降低水中的氟离子浓度,对CODMn和浊度的去除效果优于双铝电极;当原水的氟离子浓度为6mg/L时,最佳处理条件:锌、铝极板比为1:3、电解电压为18V、反应pH值为6、反应时间为25~30min。动态试验结果表明,当进水流量和氟离子浓度分别高达42mL/min、8mg/L时,调节进水pH值为6可使其出水中的氟离子浓度达标。On the basis of the dual-aluminum electrode, the zinc-aluminum electrode was designed by introducing zinc electrode. The removal efficiency of fluoride from high-fluoride drinking water by the electrofloeculation process with zinc-aluminum electrode was investigated. The results show that the zincaluminum electrode can effectively reduce the fluoride ion concentration, and the removal efficiency of CODM, and turbidity is superior to the dual-aluminum electrode. When the raw water fluoride ion concentration is 6 mg/L, the optimal treatment conditions are zinc-aluminum electrode ratio of 1 : 3, electrolysis voltage of 18 V, pH of 6 and reaction time of 25 to 30 rain. When the inflow rate and fluoride ion concentration are 42 mL/min and 8 mg/L, controlling the inflow pH at 6 can make the effluent fluoride ion coneentration reach the standard.
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