| 引用本文： |
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钟雪梅,刘杰,朱义年,宋波,梁延鹏.连续提取法对电镀废水污染土壤重金属形态研究[J].广西科学院学报,2006,22(2):67-69. [点击复制]
- ZHONG Xue-mei,LIU Jie,ZHU Yi-nian,SONG Bo,LIANG Yan-peng.Morphology of Heavy Metals in Soil Contaminated by Electroplating Wastewater[J].Journal of Guangxi Academy of Sciences,2006,22(2):67-69. [点击复制]
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| 摘要: |
| 采用五级化学连续提取法测定电镀废水污染的土壤中Cu、Cr、Ni、Pb及Mn等重金属的五种形态(可交换态,碳酸盐结合态,Fe-Mn氧化物结合态,有机结合态,残留态),分析金属元素和土壤固相组分的结合形态。结果显示,电镀废水污染的土壤中Cu、Cr和Mn的有效态含量较高,而Ni和Pb则主要以残留态为主;在有效态中,Cu、Cr和Ni主要以有机结合态存在,分别占有效态含量的54.1%,73.5%和39.1%,而Mn和Pb则以可交换态含量最高,分别占有效态含量的38.9%和39.6%;大部分Cr来源于电镀废水污染;电镀废水污染的土壤中Mn对植物的影响最为直接。 |
| 关键词: 土壤 重金属形态 电镀废水 连续提取 |
| DOI： |
| 投稿时间：2005-10-28修订日期：2005-12-09 |
| 基金项目:广西青年基金(桂科青0542006);广西自然科学基金(桂科自00342001-4);广西教育厅科研项目(桂教科研[2003]22号-6)资助 |
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| Morphology of Heavy Metals in Soil Contaminated by Electroplating Wastewater |
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ZHONG Xue-mei, LIU Jie, ZHU Yi-nian, SONG Bo, LIANG Yan-peng
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| (Department of Resource and Environmental Engineering, Guilin University of Technology, Guilin, Guangxi, 541004, China) |
| Abstract: |
| Five-stage sequential chemical extraction procedure was used to determine the heavy metal morphology (exchangeable morphology,carbonate morphology,iron-manganese oxides,organic matter morphology and residue morphology of Cu,Cr,Ni,Pb and Mn) in soil contaminated by electroplating wastewater.It showed that effective morphology contents of Cu,Cr and Mn was at a rather high level,while most of Ni and Pb was found in the residue morphology.The Cu,Cr and Ni mainly was found in organic matter in 54.1%,73.5% and 39.1% respectively.As to Mn and Pb was found in exchangeable morphology in 38.9% and 39.6% respectively.Most of Cr Comes from contamination of the electroplating wastewater.Mn has a most directly effect at plant at the soil contaminated by the eletroplating wastewater. |
| Key words: soil heavy metal morphology electroplating wasterwater sequential extraction |
