Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究)
在长、短碳链表面活性剂总量恒定条件下制备了一系列双阳离子有机膨润土,研究了其对水中苯胺、对硝基苯酚、2,4二氯酚的吸附行为;结果表明双阳离子有机膨润土对有机物的分配系数(Kd)与有机碳含量(foc)、辛醇水分配系数(lgKow)成线性正相关,与溶解度(lgS)成线性负相关.通过数学模拟,首次描述了表面吸附和分配作用两种吸附机制的相对贡献率和改性表面活性剂配比的关系;结果表明双阳离子有机膨润土对水中有机物两种吸附机制的主导地位与有机物本身性质有关,其主导作用发生变化的拐点与长碳链表面活性剂所占比重相关....
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Zhejiang University Press
2003-01-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
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Online Access: | https://doi.org/zjup/1008-9497.2003.30.1.69-74 |
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author | SHENXue-you(沈学优) LUYing-ying(卢瑛莹) ZHULi-zhong(朱利中) |
author_facet | SHENXue-you(沈学优) LUYing-ying(卢瑛莹) ZHULi-zhong(朱利中) |
author_sort | SHENXue-you(沈学优) |
collection | DOAJ |
description | 在长、短碳链表面活性剂总量恒定条件下制备了一系列双阳离子有机膨润土,研究了其对水中苯胺、对硝基苯酚、2,4二氯酚的吸附行为;结果表明双阳离子有机膨润土对有机物的分配系数(Kd)与有机碳含量(foc)、辛醇水分配系数(lgKow)成线性正相关,与溶解度(lgS)成线性负相关.通过数学模拟,首次描述了表面吸附和分配作用两种吸附机制的相对贡献率和改性表面活性剂配比的关系;结果表明双阳离子有机膨润土对水中有机物两种吸附机制的主导地位与有机物本身性质有关,其主导作用发生变化的拐点与长碳链表面活性剂所占比重相关. |
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spelling | doaj.art-002405e8de434542bf193f88a018b7862024-03-29T01:58:19ZzhoZhejiang University PressZhejiang Daxue xuebao. Lixue ban1008-94972003-01-013016974zjup/1008-9497.2003.30.1.69-74Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究)SHENXue-you(沈学优)0LUYing-ying(卢瑛莹)1ZHULi-zhong(朱利中)2Department of Environmental Science, Zhejiang University, Hangzhou 310028, China(浙江大学环境科学系,浙江 杭州 310028)Department of Environmental Science, Zhejiang University, Hangzhou 310028, China(浙江大学环境科学系,浙江 杭州 310028)Department of Environmental Science, Zhejiang University, Hangzhou 310028, China(浙江大学环境科学系,浙江 杭州 310028)在长、短碳链表面活性剂总量恒定条件下制备了一系列双阳离子有机膨润土,研究了其对水中苯胺、对硝基苯酚、2,4二氯酚的吸附行为;结果表明双阳离子有机膨润土对有机物的分配系数(Kd)与有机碳含量(foc)、辛醇水分配系数(lgKow)成线性正相关,与溶解度(lgS)成线性负相关.通过数学模拟,首次描述了表面吸附和分配作用两种吸附机制的相对贡献率和改性表面活性剂配比的关系;结果表明双阳离子有机膨润土对水中有机物两种吸附机制的主导地位与有机物本身性质有关,其主导作用发生变化的拐点与长碳链表面活性剂所占比重相关.https://doi.org/zjup/1008-9497.2003.30.1.69-74有机膨润土有机物表面活性剂配比表面吸附分配 |
spellingShingle | SHENXue-you(沈学优) LUYing-ying(卢瑛莹) ZHULi-zhong(朱利中) Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究) Zhejiang Daxue xuebao. Lixue ban 有机膨润土 有机物 表面活性剂配比 表面吸附 分配 |
title | Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究) |
title_full | Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究) |
title_fullStr | Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究) |
title_full_unstemmed | Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究) |
title_short | Contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual-cation organobentonites(有机物在水/双阳离子有机膨润土界面的吸附贡献率研究) |
title_sort | contributions of adsorption and partition to the total sorption of organic compounds on the interface of water and dual cation organobentonites 有机物在水 双阳离子有机膨润土界面的吸附贡献率研究 |
topic | 有机膨润土 有机物 表面活性剂配比 表面吸附 分配 |
url | https://doi.org/zjup/1008-9497.2003.30.1.69-74 |
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