| "江西省典型水稻土对铜的吸附解吸特性研究 |
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| 引用本文： | 常娟,白玲,冷婧,汪小强."江西省典型水稻土对铜的吸附解吸特性研究[J].江西农业大学学报,2016(1):207-214. |
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| 作者姓名： | 常娟 白玲 冷婧 汪小强 |
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| 作者单位： | 江西农业大学 理学院,江西 南昌,330045 |
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| 基金项目： | 江西省教育厅科技研究项目(GJJ14289)，江西省环境保护科研项目(JXHBKJ2013－4)，江西省普通本科高校中青年教师发展计划访问学者专项资金(赣教高函[2014]15号)Project supported by the Research Project of Jiangxi Education Department(GJJ14289)，the Research Project of Environmental Protection Department of Jiangxi Province(JXHBKJ2013－4)，the Special Fund for Visiting Scholar of the Development Plan for Middle－aged and Young Teachers in Colleges of Jiangxi Province(Gan-jiaogaohan[2014] 15) |
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| 摘 要： | 以江西省2种典型水稻土(潜育型、潴育型)为试材,采用振荡平衡法研究了铜在水稻土中的吸附-解吸行为,并利用保留因子对铜在水稻土中的环境风险进行了评估。结果表明:潴育型水稻土的吸附能力较强,明显大于潜育型水稻土,但潴育型水稻土的解吸能力小于潜育型水稻土;2种水稻土对铜的吸附均可用Langmuir方程及Freundlich方程较好的拟合;铜的环境风险随铜含量的升高而增大,且潜育型水稻土大于潴育型水稻土。
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| 关 键 词： | 水稻土 铜 吸附 解吸 环境风险评估 |
A Study on Adsorption and Desorption of Copper in Typical Paddy Soils in Jiangxi Province |
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| Abstract: | Two types of typical paddy soil( gley type,waterloggogenic type) in Jiangxi Province were cho-sen as the test material, using batch equilibrium method the adsorption-desorption behavior of copper in the paddy soil was studied,and using the retention factor in the environmental risk of copper in paddy soil was e-valuated.The results showed that the adsorption ability of waterloggogenic paddy was significantly higher than that of gley type paddy soil;but the desorption capacity of waterloggogenic paddy soil was lower than that of gley type paddy soil;the adsorption of copper by the two types of paddy soil can be fitted well by Langmuir e-quation and freundlich equation;the environmental risk of copper increased with copper concentration,and the environmental risk to gley type paddy soil was greater than that to waterloggogenic paddy soil. |
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| Keywords: | paddy soil copper adsorption desorption environmental risk assessment |
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