| 小清河水中沉积物与铅离子吸附等温线的研究 |
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| 引用本文： | 苏爱梅,王俊荣,张洪勋,程燕群.小清河水中沉积物与铅离子吸附等温线的研究[J].安全与环境工程,2003,10(1):8-10. |
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| 作者姓名： | 苏爱梅 王俊荣 张洪勋 程燕群 |
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| 作者单位： | 1. 山东省滨州市环境保护监测站,滨州,256618
2. 山东经济学院,济南,250000 |
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| 摘 要： | 运用界面分极离子/配位子交换原理和方法研究了小清河水中沉积物对Pb^2 的交换吸附等温线以及赖氨酸对吸附作用的影响。研究结果得出等温线具有1个“拐点”2个“平台”。用分级离子交换等温式求出平衡常数k1和k2,当低浓度的氨基酸存在时,对铅与沉积物的交换吸附起促进作用。
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| 关 键 词： | 分级离子交换 沉积物 等温线 铅 氨基酸 小清河 |
| 文章编号： | 1671-1556(2003)01-0008-03 |
Study on the Adsorption Exchange Isotherms of the Sediments on Pb2+ in the Xiaoqing River |
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| Su Aimei,Wang Junrong,Zhang Hongxun,Zhang Hongxun,Cheng Yanqun.Study on the Adsorption Exchange Isotherms of the Sediments on Pb2+ in the Xiaoqing River[J].Safety and Environmental Engineering,2003,10(1):8-10. |
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| Authors: | Su Aimei Wang Junrong Zhang Hongxun Zhang Hongxun Cheng Yanqun |
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| Institution: | Su Aimei 1 Wang Junrong 1 Zhang Hongxun 1 Zhang Hongxun 1 Cheng Yanqun 2 |
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| Abstract: | The isotherms of the interaction between Pb 2+ and the sediments and also the effects of lysine acid on the isotherms in the water of Xiaoqing River were studied by the theory and method of interfacial stepwise ion/coordination particle exchange.The isotherms of the interaction between Pb 2+ and the sediments were stepped, and the whole curve was formed by two curves combined together with a "plateau" in the middle.The adsorption equilibrium constants K 1 and K 2 were calculated by the isothermal equation of surface stepwise ionexchange.Where the amino acid existed,it had a promotion to exchange adsorption of Pb 2+ with the sediments. |
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| Keywords: | stepwise ion exchange sediment isotherm amino acid water of the Xiaoqing River |
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