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2017 | Vol. 43, nr 3 | 113--124
Tytuł artykułu

Speciation and contamination assessment of metals in the sediments from the Lanzhou section of the Yellow River, China

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Heavy metals such as Cu, Fe, Mn, Ni, Zn, Cd, Cr and Pb in surface sediments from the Lanzhou Section of the Yellow River were investigated to analyze chemical speciation by a sequential "extraction and to evaluate their pollution level. The metal contents in the sediments were found to be in the range of (mg/kg) Cu 15.52-57.50, Fe 19 600.33-48 350.00, Mn 493.50-698.93, Ni 9.34-53.20, Zn 64.86-168.57, Cd 1.09-4.25, Cr 70.00-139.33, Pb 5.66-19.13. The arrangement of metal contents from higher to lower was: Fe > Mn > Cr > Zn > Ni > Cu > Pb > Cd. Fe, Mn and Cu and could have the same source according to their correlations. The quantity of immobile speciation (residual) was observed to be higher when compared with mobile speciation (acid soluble, reducible, and oxidizable) of Fe, Cu, Cd and Cr. The highly enrichment factors of Ni and Cr created a high environmental risk. The order of contamination level for heavy metals in sediment was Cr > Cd > Pb > Cu > Mn > Ni > Fe > Zn on the basis of performance of the geoaccumulation index, enrichment factor and pollution load index.
Wydawca

Rocznik
Strony
113--124
Opis fizyczny
Bibliogr. 25 poz., tab., rys.
Twórcy
autor
  • School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, P.R. China
  • Engineering Research Center for Cold and Arid Regions Water Resource Comprehensive Utilization, Ministry of Education, Lanzhou, 730070, P.R. China.
autor
  • School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou,730070, P.R. China
autor
  • School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, P.R. China
  • Engineering Research Center for Cold and Arid Regions Water Resource Comprehensive Utilization Ministry of Education, Lanzhou, 730070, P.R. China.
autor
  • School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, P.R. China,
Bibliografia
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  • [3] SHIKAZONO N., TATEWAKI K., MOHIUDDIN K.M., NAKNO T., ZAKIR H.M., Sources, spatial variation, and speciation of heavy metals in sediments of the Tamagawa River in Central Japan, Environ. Geochem. Health, 2012, 34, 13.
  • [4] YANG Y.Q., CHEN F.R., ZHANG L., LIU J.S., WU S.J., KANG M.L., Comprehensive assessment of heavy metal contamination in sediment of the Pearl River Estuary and adjacent shelf, Marine Poll. Bull., 2012, 64, 1947.
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  • [23] WU Z.H., HE M.C., LIN C.Y., FAN Y.H., Distribution and speciation of four heavy metals (Cd, Cr, Mn and Ni) in the surficial sediments from estuary in Daliao river and Yingkou bay, Environ. Earth Sci., 2011, 63, 163.
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.baztech-45ca9f63-09c9-4641-9544-2e36e4314c03
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