Adsorption of arsenic in aquifers of the Red River floodplain controlled by Fe-oxides

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Resumé

Adsorption of As(III) to aquifer sediments from the Red River floodplain, Vietnam, has been investigated. The adsorption affinity differs between the sediments indicating that it is not related to bulk components of the sediment but rather that certain properties of the sediments are important for the adsorption. Normalized to the pool of Fe-oxides in the sediments the adsorption isotherms are almost alike, indicating that Fe-oxides are the main absorbents for As(III) in these three sediments. This has implications for the mobility of As(III) in the groundwater aquifers, as it can vary spatially and also over time, if the Fe-oxides in the sediment become reduced.

OriginalsprogEngelsk
TitelArsenic Research and Global Sustainability
UndertitelProceedings of the 6th International Congress on Arsenic in the Environment, AS 2016
RedaktørerProsun Bhattacharya, Marie Vahter, Jerker Jarsjö, Jurate Kumpiene, Arslan Ahmad, Charlotte Sparrenbom, Marinus Eric Donselaar, Jochen Bundschuh, Ravi Naidu
UdgivelsesstedLeiden
ForlagCRC Press/Balkema
Sider151-152
Antal sider2
ISBN (Trykt)978-1-138-02941-5
StatusUdgivet - 2016
Begivenhed6th International Congress on Arsenic in the Environment - Stockholm, Sverige
Varighed: 19 jun. 201623 jun. 2016
Konferencens nummer: 6

Konference

Konference6th International Congress on Arsenic in the Environment
Forkortet titelAS 2016
Land/OmrådeSverige
ByStockholm
Periode19/06/1623/06/16

Programområde

  • Programområde 2: Vandressourcer

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