| 渭河水中有机物在几种土壤中的吸附特性 |
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| 引用本文： | 王晓娟,钱会,康锦辉.渭河水中有机物在几种土壤中的吸附特性[J].生态环境,2005,14(3):361-364. |
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| 作者姓名： | 王晓娟 钱会 康锦辉 |
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| 作者单位： | 长安大学环境科学与工程学院,陕西,西安,710054 |
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| 基金项目： | 国家自然科学基金项目(40271066)，国家自然科学基金重点项目(40231003)，中国科学院创新方向项目(KZCX2-408) |
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| 摘 要： | 通过批量实验研究了渭河水中有机物在几种土壤中的吸附行为，测得吸附常数，给出吸附等温线。对吸附等温线进行分析，发现已经吸附的有机物分子会影响土壤的吸附性质。同时数据的拟合表明，有机物在不同土样中的吸附行为均可用Freundlich方程描述。吸附常数和固相一水分配系数表明4种土样中河沙的吸附能力最强，进一步的实验发现这是由于河沙中已经吸附的有机物最少，吸附位相对多，造成吸附能力强。
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| 关 键 词： | 有机物 吸附 土壤 |
| 文章编号： | 1672-2175(2005)03-0361-04 |
| 修稿时间： | 2004年10月25 |
Soil absorption behavior of organic pollutants from Weihe river water |
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| WANG Xiao-juan,QIAN Hui,KANG Jin-hui.Soil absorption behavior of organic pollutants from Weihe river water[J].Ecology and Environmnet,2005,14(3):361-364. |
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| Authors: | WANG Xiao-juan QIAN Hui KANG Jin-hui |
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| Abstract: | In this paper, the soil absorption behavior of organic pollutants from Weihe river water was performed through batch experiment. Absorption constant and absorption isotherm was obtained. The absorption isotherms is analyzed and the results showed that the absorption characteristics of the soil are affected by the absorbed organic molecule. Moreover, regression analysis of the data showed that the absorption behavior of organic pollutants can be well described with the Freundlich equation. Absorption constant and distribution coefficient showed that absorption capacity of river sand of four kinds of soil is the most strong. The experiment results showed that absorbed organic pollutants in river sand is least. |
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| Keywords: | organic pollutant adsorption soil |
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