Release Law of Ni, Zn in the Sediments of Taiyuan Fenhe River

LIANG Wen-jun; LI Jian; ZHAO Chun-lu; FAN Lin-dong; JIN Yu-quan

doi:10.3969/j.issn.0254-0037.2005.02.014

Journal of Beijing University of Technology > 2005 > 31(2): 174-178. > DOI: 10.3969/j.issn.0254-0037.2005.02.014

LIANG Wen-jun, LI Jian, ZHAO Chun-lu, FAN Lin-dong, JIN Yu-quan. Release Law of Ni, Zn in the Sediments of Taiyuan Fenhe River[J]. Journal of Beijing University of Technology, 2005, 31(2): 174-178. DOI: 10.3969/j.issn.0254-0037.2005.02.014

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Release Law of Ni, Zn in the Sediments of Taiyuan Fenhe River

1. College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China;
2. College of Material and Environmental Science, Qingdao University of Science and Technology, Qingdao 266042, China

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Received Date: November 12, 2003
Available Online: November 21, 2022

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In order to know the release law of heavy metals and make sure whether it would pollute water, the distribution characteristics of nickel & zinc and their release law were studied. Five forms of that two heavy metals in the sediments were extracted using sequential chemical extraction technique. The results of the experiment indicated that the mainly existence forms of heavy metals in the sediments were metals bound to Fe-Mn oxides and metals hard to dissolve. The amount of exchangeable metals in the sediments was less than other forms. The release law of nickel was the same as that of zinc, but the release capability of nickel was stronger than that of zinc. The sediments had better performance in absorption of heavy metals.
- sediments,
- heavy metals,
- sequential chemical extraction,
- release law

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