弱磁场强化零价铁去除废水中重金属离子试验研究  

Influence of weak magnetic field on zero valent iron used for the removal of heavy metal ions from wastewater

作　　者：李佳玲[1] 关小红[1] 

机构地区：[1]同济大学污染控制与资源化研究国家重点实验室,上海200092

出　　处：《工业水处理》2015年第2期27-29,33,共4页Industrial Water Treatment

基　　金：国家自然科学基金资助项目(50908060);高等教育博士点专项基金项目(20130072110026);国家污染控制与资源利用重点实验室基金项目(RCRRY11001)

摘　　要：考察了弱磁场对零价铁去除铜冶炼废水中重金属离子的加速作用。结果表明,当稀贵车间废水初始p H为4.0-5.0,微米铁粉投加量为0.1-0.5 g/L时,预磁化和加磁均能加速零价铁对稀贵车间废水重金属离子的去除。在初始p H为4.0,微米铁粉投加量为1.0 g/L的条件下,对水淬车间高砷废水进行处理,结果发现,外加磁场对微米铁去除高砷废水中总砷仍有很强的促进作用。The accelerating effect of weak magneti c field（WFM）on zero valent iron used for the removal of heavy metal ions from copper smelting wastewater has been investigated. The results show that when the initial p H of the wastewater in Xigui Workshop is 4.0 to 5.0,and the dosage of micron-scaled ferrous powder is 0.1 to 0.5 g/L,both pre-magnetization and re-magnetization can accelerate zero valent iron to remove the heavy metal ions from the wastewater in Xigui Workshop. When initial p H is 4.0,and the dosage of micron-scaled ferrous powder is 1.0 g/L,the wastewater containing highly concentrated arsenic has been treated. It is found that the re-magnetization still has strong accelerating effect on micron iron used for the removal of total arsenic from wastewater.

关 键 词：弱磁场 零价铁 铜冶炼废水 重金属离子 

分 类 号：TU992.3[建筑科学—市政工程]