摘要
通过对云南个旧某选矿、冶炼厂周边土壤中Pb、Cd、Cr和Zn含量的测定,分析了选矿、冶炼厂周边土壤中重金属污染状况。结果表明,Cr的含量在25.25~218.82mg/kg,Pb的含量在383.49~3085.89mg/kg,Cd的含量12.25~119.14mg/kg,Zn的含量在677.56~5842.26mg/kg。以云南省背景值为评价标准综合污染指数为130.84,以国家环境质量二级标准为评价标准,综合污染指数为48.04。该区域受到Pb、Cd、Cr和Zn等4种重金属污染,污染严重。
The pollution of heavy metals in the Surrounding Soil of Factory Smelting and Concentrating was discussed in this paper. The contents of lead (Pb) ,cadmium (Cd) ,chromium (Cr) and zinc (Zn) in soil samples were measured. The results showed that the contents of Pb , Cd , Cr and Zn ranged from 383.49-3085.89 mg/kg, 12.25-119.14 mg/kg,25.25-218.82 mg/kg and 677.56-5842.26 mg/kg. At the same time, the pollution index was calculated based on both the background values of heavy metals in soils from Yunnan province and the state standard values of soil quality in China. The result indicated that the pollution index was 130.84 and 48.04 based on both the background values of heavy metals in soils from Yunnan province and the state standard values of soil quality in China. The Surrounding Soil of Factory Smelting and Concentrating was polluted by Pb,Cd,Cr and Zn.
出处
《广东农业科学》
CAS
CSCD
北大核心
2010年第3期215-216,233,共3页
Guangdong Agricultural Sciences
基金
云南省教育厅重点科研基金(09Z0093)
红河学院博硕科研基金(xss08016)
红河学院A类校级重点建设学科资助项目(071010)
关键词
重金属污染
土壤
矿区
选矿厂
冶炼厂
soil heavy metals pollution
mine and surrounding area
Smelter
Concentrator