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邻苯二胺对铜在红壤和砂姜黑土中吸附和解吸的影响
引用本文:王慎强,周东美,王玉军,陈怀满,郑春荣.邻苯二胺对铜在红壤和砂姜黑土中吸附和解吸的影响[J].土壤学报,2003,40(4):567-573.
作者姓名:王慎强  周东美  王玉军  陈怀满  郑春荣
作者单位:中国科学院南京土壤研究所,南京,210008
基金项目:中国科学院南京土壤研究所所长基金,中国科学院创新方向课题 (KZCX2 40 1),国家重点基础研究发展规划项目课题“区域土壤复合污染、形成机制及其生态效应”(2 0 0 2CB410 80 8)资助
摘    要:研究了铜在红壤和砂姜黑土中的吸附和解吸过程以及有机污染物邻苯二胺对铜在两种土壤中吸附和解吸行为的影响。结果表明 ,砂姜黑土较红壤对铜具有更高的吸附量 ,同时 ,被吸附的铜离子从土壤中的脱附百分数也是砂姜黑土大于红壤 ,吸附在砂姜黑土中的铜较红壤更易被 1molL- 1 MgCl2 所置换。pH 3 .5~ 7.5范围内 ,土壤对铜的吸附量均随溶液pH的升高而升高 ,呈现S形。邻苯二胺增加了红壤对铜的吸附量 ,同时也增加了铜的脱附百分数。而邻苯二胺虽未改变砂姜黑土对铜的吸附量 ,但却显著改变了铜的脱附百分数。文中对邻苯二胺与铜的交互作用过程及其机理进行了推测

关 键 词:  邻苯二胺  交互作用  红壤  砂姜黑土
收稿时间:2001/10/28 0:00:00
修稿时间:2001年10月28

EFFECTS OF O-PHENYLENEDIAMINE ON ADSORPTION AND DESORPTION OF COPPER IONS IN RED SOIL AND SAJONG BLACK SOIL
Wang Shen-qiang,Zhou Dong-mei,Wang Yu-jun,Chen Huai-man and Zheng Chun-rong.EFFECTS OF O-PHENYLENEDIAMINE ON ADSORPTION AND DESORPTION OF COPPER IONS IN RED SOIL AND SAJONG BLACK SOIL[J].Acta Pedologica Sinica,2003,40(4):567-573.
Authors:Wang Shen-qiang  Zhou Dong-mei  Wang Yu-jun  Chen Huai-man and Zheng Chun-rong
Institution:Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
Abstract:Study of Cu adsorption and desorption processes on Red soil (R) and Sajong b lack soil (SB) is carried out. The results exhibit that SB has higher Cu adsorpt ion quantity than R,and Cu desorption percentage from SB is also higher than th at from R. It means that Cu is more easily exchanged by MgCl 2 from IB than fro m R. In the pH range from 3.5 to 7.5,Cu adsorption in the two soils increases wit h increasing pH,and shows as of S-shape. Effect of o-Phenylenediamine (o-PD) on Cu adsorption and desorption in the two soils shows that presence of o-PD incr e ases Cu adsorption in R but not changes it obviously in SB,meanwhile,Cu desorp tion percentage increased correspondingly. Although o-PD does not change Cu ads o rption quantity in SB,it changes Cu adsorption process strongly,which can be r ecognized from Cu desorption percentage from SB.
Keywords:Cu  o-phenylenediamine  Interaction  Red soil  Sajong black soil
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