| 改性土壤对地下水中苯系污染物的吸附 |
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| 引用本文： | 李万山,冯建芳,王晓蓉,盛光遥.改性土壤对地下水中苯系污染物的吸附[J].南京大学学报(自然科学版),1997,33(4):549-555. |
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| 作者姓名： | 李万山 冯建芳 王晓蓉 盛光遥 |
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| 作者单位： | 污染控制与资源化研究国家重点实验室，美国密歇根州立大学作物与土壤科学系 |
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| 摘 要： | 研究了用阳离子表面活性剂改性的土壤对模拟地下水中的苯系污物苯、甲苯、二甲苯的吸附．获得了两种改性土壤对苯系污染物的吸附等温线，结果表明：用长链季胺盐阳离子表面活性剂十六烷基三甲基溴化铵（ＨＤＴＭＡ）改性后的土壤，吸附水中苯系污染物的能力明显高于未改性土壤．其改性后土壤的吸附能力主要取决于土壤的阳离子交换容量和有机阳离子的性质，同时对其吸附机理进行了讨论
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| 关 键 词： | 改性土壤，表面活性剂，吸附，苯系物 |
SORPTION OF BENZENE HYDROCARBON IN MODIFIED GROUNDWATER BY MODIFIED SOILS |
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| Li Wanshan,Fong Jianfang,Wang Xiaorong,Sheng Guangyao.SORPTION OF BENZENE HYDROCARBON IN MODIFIED GROUNDWATER BY MODIFIED SOILS[J].Journal of Nanjing University: Nat Sci Ed,1997,33(4):549-555. |
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| Authors: | Li Wanshan Fong Jianfang Wang Xiaorong Sheng Guangyao |
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| Institution: | Li Wanshan 1) Fong Jianfang 1) Wang Xiaorong 1) Sheng Guangyao 2) |
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| Abstract: | In this paper, the sorption of benzene, methylbenzene and dimethylbenzene from simulative groundwater by modified soil with hexadecyltrimethylammonnium (HDTMA) bromide and tetramethylammonium (TMA) bromide were investigated. Some sorption isotherms and sorption coefficients were obtained. The result indicated that the HDTMA modified soils had a high ability to remove the benzene hydrocarbon from simulative groundwate. The sorption capacity of modified soils depends on the CEC of soil and properties of organic cations. The mechanism of sorption by modified soils was discussed. |
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| Keywords: | Modified soil Cationic surfactant Sorption |
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