| 无机铈基吸附剂的合成及对氟的吸附研究 |
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| 引用本文： | 焦中志,陈忠林,杨敏,张昱,李圭白.无机铈基吸附剂的合成及对氟的吸附研究[J].南京理工大学学报(自然科学版),2004,28(5):542-546. |
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| 作者姓名： | 焦中志 陈忠林 杨敏 张昱 李圭白 |
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| 作者单位： | 1. 哈尔滨工业大学,市政与环境工程学院,黑龙江,哈尔滨,150090
2. 中国科学院,生态与环境研究中心,北京,100085 |
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| 摘 要： | 在研究水合氧化铈对氟离子吸附的基础上，成功研制了无机铈基吸附剂(CFA)。对CFA吸附氟的性能进行试验研究。结果表明，CFA吸附氟的速度快，吸附量大，吸附模式符合Freundlich方程，溶液的低pH值有利于CFA对氟的吸附。表征了CFA的物理化学特征，探讨了CFA的除氟机理，推测CFA的羟基在氟的去除中起到重要作用。
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| 关 键 词： | 氟 无机吸附剂 吸附 面积电荷 |
| 文章编号： | 1005-9830(2004)05-0542-05 |
| 修稿时间： | 2003年9月24日 |
Synthesization of Inorganic Cerium Ferrous Adsorbent and Its Adsorption of Fluoride Ion |
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| JIAO Zhong-zhi ,CHEN Zhong-lin ,YANG Min ,ZHANG Yu ,LI Gui-bai.Synthesization of Inorganic Cerium Ferrous Adsorbent and Its Adsorption of Fluoride Ion[J].Journal of Nanjing University of Science and Technology(Nature Science),2004,28(5):542-546. |
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| Authors: | JIAO Zhong-zhi CHEN Zhong-lin YANG Min ZHANG Yu LI Gui-bai |
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| Institution: | JIAO Zhong-zhi 1,CHEN Zhong-lin 1,YANG Min 2,ZHANG Yu 2,LI Gui-bai 1 |
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| Abstract: | An inorganic cerium based adsorbent was developed on the basis of the research of adsorption of fluoride on cerium oxide hydrate. Some experimental results of adsorption of fluoride on cerium ferrous adsorbent (CFA) show that CFA has a fast adsorption rate and a large adsorption capacity, adsorption equilibrium follows Freundlich isotherm, and that the low pH value promotes fluoride removal. Some physical chemistry characteristics of CFA were experimentally determined, fluoride removal mechanism was explored, and the result shows that hydroxyl group plays an important role in the fluoride removal. |
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| Keywords: | fluoride inorganic adsorbent adsorption surface charge |
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