| 过氧化氢对铬在黄棕壤中电动过程的影响 |
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| 引用本文： | 周东美,仓龙,邓昌芬.过氧化氢对铬在黄棕壤中电动过程的影响[J].土壤学报,2005,42(1):59-63. |
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| 作者姓名： | 周东美 仓龙 邓昌芬 |
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| 作者单位： | 土壤与农业可持续发展国家重点实验室,中国科学院南京土壤研究所,南京,210008 |
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| 基金项目： | 国家自然科学基金项目(20207010)、国家863项目(2002AA649290)和江苏省创新人才基金项目(BK2001419) |
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| 摘 要： | 研究了在阳极池中添加过氧化氢对铬在黄棕壤中电动过程的影响。结果发现:经过约564h的电动处理后,土壤中六价铬的含量显著减少,最高去除率为91.6%,同时总铬去除率最高达39.6%。过氧化氢的存在对电流的影响不大,但明显降低了电渗流量。加入过氧化氢引起土壤中部分六价铬被还原成三价铬,降低了土壤中铬的移动性,从而使总铬的去除率减少,说明土壤中还原性物质的存在将不利于铬的去除。
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| 关 键 词： | 过氧化氢 黄棕壤 电动过程 |
| 收稿时间： | 2004/2/14 0:00:00 |
| 修稿时间： | 2004/6/25 0:00:00 |
ELECTROKINETIC PROCESSES OF CHROMIUM IN YELLOW BROWN SOIL AS AFFECTED BY HYDROGEN PEROXIDE |
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| Zhou Dongmei,Cang Long and Deng Changfen.ELECTROKINETIC PROCESSES OF CHROMIUM IN YELLOW BROWN SOIL AS AFFECTED BY HYDROGEN PEROXIDE[J].Acta Pedologica Sinica,2005,42(1):59-63. |
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| Authors: | Zhou Dongmei Cang Long and Deng Changfen |
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| Institution: | State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China |
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| Abstract: | |
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| Keywords: | Chromium Hydrogen peroxide Yellow brown soil Electrokinetic process |
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