Essays about: "Arsenic mobilisation"

Found 2 essays containing the words Arsenic mobilisation.

  1. 1. Investigation of the redox-conditions in the Nam Du well field, Hanoi, Vietnam, and their implications for mobilisation of arsenic

    University essay from SLU/Dept. of Soil Sciences

    Author : Johanna Moreskog; [2007]
    Keywords : arsenic mobilisation; redox potential; wells; Ha Noi; Viet Nam;

    Abstract : In 2005, a new well field along the Red River started pumping groundwater for production of drinking water in the Nam Du area south of Hanoi, Vietnam. Elevated concentrations of ammonium have been a well-known problem in the southern part of Hanoi area, but recently elevated concentrations of arsenic in the groundwater has also been of concern. READ MORE

  3. 2. Identifying possible sources of ammonium ions and arsenic in groundwater in the Nam Du area, Vietnam

    University essay from SLU/Dept. of Soil Sciences

    Author : Peter Harms-Ringdahl; [2007]
    Keywords : groundwater; contamination sources; ammonium ions; arsenic species; redox potential; stable isotopes; Hanoi; Vietnam;

    Abstract : Concentrations of arsenic and ammonium ions well above drinking water standards have been detected in aquifers which supply Hanoi, the capital of Vietnam, with fresh water. Chemical analyses showed arsenic and ammonium ion concentrations varying between 27 – 264 μg/l in freshwater and 1.8 – 34.7 mg/l in groundwater. READ MORE