Distribution, fraction and risk assessment of vanadium in surface sediments from a Chinese karstic lake: a case study of Hongfeng Lake

被引：7
作者：
Fu, Liya [1 ]
Hu, Jiwei [1 ]
Tian, Linfeng [2 ]
Huang, Xianfei [1 ]
Luo, Jin [1 ]
Li, Lingyun [1 ]
机构：
[1] Guizhou Normal Univ, Guizhou Prov Key Lab Informat Syst Mountainous Ar, Guiyang 550001, Peoples R China
[2] Shizuishan Environm Monitoring Stn, Shizuishan 753000, Ningxia, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2015年 / 56卷 / 1-4期
基金：
中国国家自然科学基金;
关键词：
vanadium fraction; sediments; Hongfeng Lake; karst; SEQUENTIAL EXTRACTION PROCEDURE; HEAVY-METALS; PHOSPHORUS SPECIATION; BAIHUA LAKE; ELEMENTS; SYSTEMS; FUTURE; IMPACT; SOILS;
D O I：
10.1504/IJEP.2014.067674
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The distribution characteristics of vanadium and its fraction based on the Tessier sequential extraction method were studied in surface sediment samples collected from Hongfeng Lake. The results of this study indicated that the total amount of vanadium in the sediment samples ranged from 124.0 to 213.0 mg/kg. The average percentages of exchangeable, bound to carbonates, bound to Fe-Mn oxides, bound to organic matter and residual were 2.79, 2.75, 30.40, 2.89 and 59.32, respectively. The concentrations of the different vanadium fractions decreased in the order of residual > bound to Fe-Mn oxides > bound to organic matter > exchangeable approximate to bound to carbonates. Furthermore, assessment using the enrichment factors (EF), the ratio of secondary to primary phase (RSP) and the secondary phases enrichment factor (SPEF) methods showed that the risk of vanadium in sediments especially from sites TLHJC and TX from Hongfeng Lake was generally high.
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页码：28 / 47
页数：20
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