| 复合膨润土的合成及其对氟离子的吸附 |
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| 引用本文： | 王雪征,曹吉林,陈学青.复合膨润土的合成及其对氟离子的吸附[J].环境科学与技术,2011,34(1):65-69,84. |
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| 作者姓名： | 王雪征 曹吉林 陈学青 |
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| 作者单位： | 河北工业大学化工学院,天津,300130 |
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| 基金项目： | 天津市科技支撑重点项目 |
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| 摘 要： | 针对粉末状膨润土在水处理应用中固液相难分离、吸附性能低等问题,以丙烯酰胺为聚合单体,采用水溶液聚合法,合成了系列复合膨润土,并用XRD、SEM和红外光谱(IR)分析手段对复合膨润土进行了表征.复合膨润土对氟离子的吸附和再生实验表明:复合膨润土对水中F-离子的吸附性能高于纯粉末膨润土,且随着复合膨润土含量的增高而增加,膨...
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| 关 键 词： | 复合膨润土 丙烯酰胺 氟离子 吸附 再生 |
Synthesis of Composite Bentonite and Its Adsorption to Fluorine Ion |
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| WANG Xue-zheng,CAO Ji-lin,CHEN Xue-qing.Synthesis of Composite Bentonite and Its Adsorption to Fluorine Ion[J].Environmental Science and Technology,2011,34(1):65-69,84. |
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| Authors: | WANG Xue-zheng CAO Ji-lin CHEN Xue-qing |
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| Institution: | WANG Xue-zheng,CAO Ji-lin,CHEN Xue-qing(School of Chemical Engineering and Technology,Hebei University of Technology,Tianjin 300130,China) |
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| Abstract: | In view of difficult separation of powder bentonite from aqueous solution in water treatment and low absorption properties of powder bentonite,a series of composite bentonite were synthesized by aqueous solution polymerization using acrylamide as polymerization monomer.The composite bentonite was characterized by SEM,XRD and IR.Adsorption experiments of composite bentonite to fluorine ion showed that the composite bentonite adsorption capacity was better than powder bentonite and increasing with the content... |
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| Keywords: | composite bentonite acrylamide fluorine ion adsorption regeneration |
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