| 铝改性赤泥吸附剂的制备及其除氟效能的研究 |
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| 引用本文： | 魏 宁,栾兆坤,王 军,史 丽,赵 颖,武洁玮. 铝改性赤泥吸附剂的制备及其除氟效能的研究[J]. 无机化学学报, 2009, 25(5): 849-854 |
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| 作者姓名： | 魏 宁 栾兆坤 王 军 史 丽 赵 颖 武洁玮 |
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| 作者单位： | 中国科学院生态环境研究中心环境水质学国家重点实验室,北京,100085 |
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| 基金项目： | 国家环保公益行业科研专项基金，国家科技支撑计划 |
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| 摘 要： | 以铝工业废矿渣为原材料，通过铝盐改性及焙烧活化处理，制备了水中除氟吸附剂。研究考察了吸附剂吸附氟能力、反应时间、pH值以及投加量对吸附效果的影响。结果表明，铝改性赤泥吸附剂具有较好的除氟效果，未焙烧铝改性赤泥吸附剂及经过200 ℃焙烧活化赤泥吸附剂的饱和吸附量分别达到68.07和91.28 mg·g-1，远高于原状赤泥的饱和吸附量13.46 mg·g-1。经吸附后出水氟含量低于1 mg·L-1的国家饮用水标准。吸附规律符合Langmuir等温方程，溶液pH值显著影响除氟效果，在溶液pH值为7~8时达到最佳去除效果。
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| 关 键 词： | 赤泥； 铝改性； 吸附剂； 吸附除氟 |
Preparation of Modified Red Mud with Aluminum and Its Adsorption Characteristics on Fluoride Removal |
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| WEI Ning,LUAN Zhao-Kun,WANG Jun,SHI Li,ZHAO Ying and WU Jie-Wei. Preparation of Modified Red Mud with Aluminum and Its Adsorption Characteristics on Fluoride Removal[J]. Chinese Journal of Inorganic Chemistry, 2009, 25(5): 849-854 |
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| Authors: | WEI Ning LUAN Zhao-Kun WANG Jun SHI Li ZHAO Ying WU Jie-Wei |
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| Affiliation: | State Key Laboratory Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085,State Key Laboratory Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085,State Key Laboratory Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085,State Key Laboratory Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085,State Key Laboratory Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085 and State Key Laboratory Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085 |
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| Abstract: | |
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| Keywords: | red mud modification with aluminum adsorbent fluoride removal by adsorption |
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