| 氧化石墨烯对铅在饱和多孔介质中运移的影响 |
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| 引用本文： | 陈亚妮,董姝楠,孙媛媛,施小清,徐红霞,吴吉春. 氧化石墨烯对铅在饱和多孔介质中运移的影响[J]. 农业环境科学学报, 2016, 35(7): 1392-1397. DOI: 10.11654/jaes.2016.07.023 |
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| 作者姓名： | 陈亚妮 董姝楠 孙媛媛 施小清 徐红霞 吴吉春 |
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| 作者单位： | 南京大学地球科学与工程学院水科学系 表生地球化学教育部重点试验室,南京,210023 |
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| 基金项目： | 国家自然科学基金-新疆联合项目（U1503282）；国家自然科学基金项目（41372234，41030746） |
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| 摘 要： | 以氧化石墨烯(GO)及铅[Pb(Ⅱ)]为主要试验材料,通过进行批量吸附试验及砂柱试验,研究GO对Pb(Ⅱ)在饱和多孔介质中运移的影响。批试验结果表明,与石英砂相比,GO具有极高的Pb(Ⅱ)吸附能力。柱试验结果表明,GO在饱和多孔介质中的运移能力较高,环境中Pb(Ⅱ)的存在则降低GO的运移;Pb(Ⅱ)在饱和多孔介质中运移能力相对较低,溶液中存在GO时,Pb(Ⅱ)在饱和多孔介质中的运移能力明显提高;将Pb(Ⅱ)污染后的砂柱注入GO悬液,被石英砂吸附的Pb(Ⅱ)能够随GO一起重新流出砂柱,且流出液中Pb(Ⅱ)的浓度与GO浓度呈良好的正相关。
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| 关 键 词： | 氧化石墨烯 铅 多孔介质 运移 释放 |
| 收稿时间： | 2016-01-13 |
Effects of graphene oxide on transport of lead in saturated porous media |
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| CHEN Ya-ni,DONG Shu-nan,SUN Yuan-yuan,SHI Xiao-qing,XU Hong-xia and WU Ji-chun. Effects of graphene oxide on transport of lead in saturated porous media[J]. Journal of Agro-Environment Science( J. Agro-Environ. Sci.), 2016, 35(7): 1392-1397. DOI: 10.11654/jaes.2016.07.023 |
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| Authors: | CHEN Ya-ni DONG Shu-nan SUN Yuan-yuan SHI Xiao-qing XU Hong-xia WU Ji-chun |
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| Affiliation: | Department of Hydrosciences, Key Laboratory of Surficial Geochemistry, Ministry of Education, Nanjing University, Nanjing 210023, China,Department of Hydrosciences, Key Laboratory of Surficial Geochemistry, Ministry of Education, Nanjing University, Nanjing 210023, China,Department of Hydrosciences, Key Laboratory of Surficial Geochemistry, Ministry of Education, Nanjing University, Nanjing 210023, China,Department of Hydrosciences, Key Laboratory of Surficial Geochemistry, Ministry of Education, Nanjing University, Nanjing 210023, China,Department of Hydrosciences, Key Laboratory of Surficial Geochemistry, Ministry of Education, Nanjing University, Nanjing 210023, China and Department of Hydrosciences, Key Laboratory of Surficial Geochemistry, Ministry of Education, Nanjing University, Nanjing 210023, China |
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| Abstract: | |
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| Keywords: | graphene oxide lead porous media transport release |
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