| 赤泥对水体中铅离子的吸附 |
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| 引用本文： | 文小年,王林江,谢襄漓.赤泥对水体中铅离子的吸附[J].桂林工学院学报,2005,25(2):245-247. |
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| 作者姓名： | 文小年 王林江 谢襄漓 |
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| 作者单位： | 1. 桂林工学院,有色金属材料及其加工新技术省部共建教育部重点实验室,广西,桂林,541004;桂林工学院,材料与化学工程系,广西,桂林,541004
2. 桂林工学院,材料与化学工程系,广西,桂林,541004 |
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| 基金项目： | 广西区教育厅资助项目(桂教科研[2003]22) |
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| 摘 要： | 研究了赤泥对水体中铅离子的吸附作用及赤泥的掺加量、吸附反应时间、溶液中Pb^2 初始浓度、温度等因素对吸附作用的影响．结果表明，赤泥对铅离子有很好的吸附作用，吸附达到平衡的时间为2h．赤泥的掺加量为2g/L时，2h后吸附率可达99．6％；溶液初始Pb^2 浓度越大，吸附率越小．但当把赤泥的掺加量固定为0．625g赤泥／100mg Pb^2 时，溶液的初始Pb^2 浓度对吸附率影响较小．温度对吸附作用的影响较为显著，温度越高，吸附率越大，表明吸附为化学吸附．
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| 关 键 词： | 赤泥 铅离子 吸附作用 影响因素 |
| 文章编号： | 1006-544X(2005)02-0245-03 |
| 修稿时间： | 2004年11月19 |
Adsorption of Lead in Aqueous Solution from Red Mud |
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| WEN Xiao-nian,WANG Lin-Jiang,XIE Xiang-li.Adsorption of Lead in Aqueous Solution from Red Mud[J].Journal of Guilin University of Technology,2005,25(2):245-247. |
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| Authors: | WEN Xiao-nian WANG Lin-Jiang XIE Xiang-li |
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| Abstract: | Red mud as an byproduct during the processing of bauxite ore is used for the adsorption of lead in aqueous solution with different influence such as contact time,content of red mud and lead ion original in solution and temperature.The material exhibits good adsorption capability and the data follow both Langmuir and Freundlich models.The time for the adsorption balance is two hours.When red mud content in solution is 2 g/L,the adsorption ratio would be 99.6%.When red mud content in solution is 0.625 gram red mud per 100 mg lead ion,the lead ion original content changes because the adsorption ratio will decline with the rising of lead ion original content.The influence of temperature to the adsorption is obvious.The adsorption ratio will increase with the rising of temperature,indicating a chemistry adsorption |
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| Keywords: | red mud lead ion adsorption influence factor |
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