| Paper sludge as a feasible soil amendment for the immobilization of Pb^2＋ |
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| 引用本文： | Xiaojia He,Lei Yao,Zhu Liang,Jinren Ni. Paper sludge as a feasible soil amendment for the immobilization of Pb^2＋[J]. 环境科学学报(英文版), 2010, 22(3): 413-420. DOI: 10.1016/S1001-0742(09)60123-6 |
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| 作者姓名： | Xiaojia He Lei Yao Zhu Liang Jinren Ni |
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| 作者单位： | The Key Laboratory of Water and Sediment Sciences,Ministry of Education,Department of Environmental Engineering,Peking University,Beijing 100871,China |
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| 基金项目： | supported by the National Basic Research Program (973) of China (No. 2007CB407202) |
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| 摘 要： |
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| 关 键 词： | 土壤改良剂 造纸污泥 Langmuir 铅 扫描电子显微镜 最大吸附量 吸附过程 污染土壤 |
| 收稿时间： | 2009-05-01 |
| 修稿时间： | 2009-07-27 |
Paper sludge as a feasible soil amendment for the immobilization of Pb2+ |
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| Xiaojia He,Lei Yao,Zhu Liang and Jinren Ni. Paper sludge as a feasible soil amendment for the immobilization of Pb2+[J]. Journal of environmental sciences (China), 2010, 22(3): 413-420. DOI: 10.1016/S1001-0742(09)60123-6 |
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| Authors: | Xiaojia He Lei Yao Zhu Liang Jinren Ni |
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| Affiliation: | The Key Laboratory of Water and Sediment Sciences,Ministry of Education,Department of Environmental Engineering,Peking University,Beijing 100871,China |
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| Abstract: | The possibility of amending Pb 2+ contaminated soil (S) with paper sludge (P) was investigated through adsorption and desorption experiments. The adsorption process of Pb 2+ in soil containing paper sludge (SP) could be well described by pseudo second-order kinetic model and the Langmuir isotherm model. After P addition, the equilibrium time decreased greatly (from 28 to 8 hr) and the Pb 2+ maximum adsorbed amount (Q max ) increased by a factor of more than three to 102.04 mg/g. Q max reached its maximum as... |
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| Keywords: | paper sludge Pb 2+ adsorption |
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