| 碱渣对锌（Ⅱ）离子吸附特性的研究 |
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| 引用本文： | 金春姬,田国宾,曹煊,佘宗莲,郑建国.碱渣对锌（Ⅱ）离子吸附特性的研究[J].环境工程学报,2008,2(9):1218-1222. |
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| 作者姓名： | 金春姬 田国宾 曹煊 佘宗莲 郑建国 |
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| 作者单位： | 中国海洋大学海洋环境与生态教育部重点实验室,青岛,266100 |
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| 摘 要： | 研究了锌在碱渣表面的吸附特征.结果表明,碱渣总吸附量随体系温度的升高而降低;随体系 pH 值的升高而增加;随吸附质初始浓度的增加而增大.在 pH<5.51 时其等温吸附能较好地符合 Freudlich 等温吸附规律,而在 pH5.51 时,能较好地符合 Langmuir 等温吸附规律,吸附热随 pH 的增大而升高.当pH≤5.51时,碱渣的吸附力以范德华力平和疏水键力的作用为主,而当 pH6.17 时,以化学键力为主.在 pH 为 5.05、6.07和7.03时,碱渣对 Zn26 的吸附动力学方程都以 Langmuir 方程的拟合效果最优.
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| 关 键 词： | 碱渣 锌 吸附 动力学 热力学 |
Adsorption characterisics of zinc ions on alkaline sludge |
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| Jin Chunji,Tian Guobin,Cao Xuan,She Zonglian and Zheng Jianguo.Adsorption characterisics of zinc ions on alkaline sludge[J].Techniques and Equipment for Environmental Pollution Control,2008,2(9):1218-1222. |
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| Authors: | Jin Chunji Tian Guobin Cao Xuan She Zonglian and Zheng Jianguo |
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| Institution: | Key Laboratory of Marine Environment and Ecology,Ministry of Education, Ocean University of China, Qingdao 266100,Key Laboratory of Marine Environment and Ecology,Ministry of Education, Ocean University of China, Qingdao 266100,Key Laboratory of Marine Environment and Ecology,Ministry of Education, Ocean University of China, Qingdao 266100,Key Laboratory of Marine Environment and Ecology,Ministry of Education, Ocean University of China, Qingdao 266100 and Key Laboratory of Marine Environment and Ecology,Ministry of Education, Ocean University of China, Qingdao 266100 |
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