Tungsten- and cobalt-dominated heavy metal contamination of mangrove sediments in Shenzhen, China

Xu, S, Lin, Chu Xia, Qiu, P, Song, Y, Yang, W, Xu, G, Feng, X, Yang, Q, Yang, X and Niu, A 2015, Tungsten- and cobalt-dominated heavy metal contamination of mangrove sediments in Shenzhen, China, Marine Pollution Bulletin, vol. 100, no. 1, pp. 562-566, doi: 10.1016/j.marpolbul.2015.08.031.

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Title Tungsten- and cobalt-dominated heavy metal contamination of mangrove sediments in Shenzhen, China
Author(s) Xu, S
Lin, Chu XiaORCID iD for Lin, Chu Xia orcid.org/0000-0002-2273-0560
Qiu, P
Song, Y
Yang, W
Xu, G
Feng, X
Yang, Q
Yang, X
Niu, A
Journal name Marine Pollution Bulletin
Volume number 100
Issue number 1
Start page 562
End page 566
Total pages 5
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-11-15
ISSN 0025-326X
1879-3363
Keyword(s) Heavy metals
Tungsten
Cobalt
Sediment
Mangrove
Wetland
Summary A baseline investigation into heavy metal status in the mangrove sediments was conducted in Shenzhen, China where rapid urban development has caused severe environmental contamination. It is found that heavy metal contamination in this mangrove wetland is characterized by the dominant presence of tungsten and cobalt, which is markedly different from the neighboring Hong Kong and other parts of the world. The vertical variation pattern of these two metals along the sediment profile differed from other heavy metals, suggesting an increasing influx of tungsten and cobalt into the investigated mangrove habitat, as a result of uncontrolled discharge of industrial wastewater from factories that produce or use chemical compounds or alloys containing these two heavy metals. Laboratory simulation experiment indicated that seawater had a stronger capacity to mobilize sediment-borne tungsten and cobalt, as compared to deionized water, diluted acetic, sulfuric and nitric acids.
Language eng
DOI 10.1016/j.marpolbul.2015.08.031
Indigenous content off
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2015, Elsevier Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30140735

Document type: Journal Article
Collection: Faculty of Science, Engineering and Built Environment
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