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Arsenic removal from drinking water by a household sand filter in Vietnam : effect of filter usage practices on arsenic removal efficiency and microbiological water quality

Title data

Nitzsche, Katja Sonja ; Lan, Vi Mai ; Trang, Pham Thi Kim ; Viet, Pham Hung ; Berg, Michael ; Voegelin, Andreas ; Planer-Friedrich, Britta ; Zahoransky, Jan ; Müller, Stefanie-Katharina ; Byrne, James M. ; Schröder, Christian ; Behrens, Sebastian ; Kappler, Andreas:
Arsenic removal from drinking water by a household sand filter in Vietnam : effect of filter usage practices on arsenic removal efficiency and microbiological water quality.
In: Science of the Total Environment. Vol. 502 (2015) Issue 1 . - pp. 526-536.
ISSN 1879-1026
DOI: https://doi.org/10.1016/j.scitotenv.2014.09.055

Abstract in another language

Household sand-filters are applied to treat arsenic- and iron-containing anoxic groundwater that is used as drinking water in rural areas of North Vietnam. These filters immobilize poisonous arsenic (As) via co-oxidation with Fe(II) and sorption to or co-precipitation with the formed Fe(III)- (oxyhydr)oxides. However, information is lacking regarding the effect of the frequency and duration of filter use as well as of filter sand replacement on the residual As concentrations in the filtered water and on the presence of potentially pathogenic bacteria in the filtered and stored water. We therefore scrutinized a household sand filter with respect to As removal efficiency and presence of fecal indicator bacteria in treated water as a function of filter operation before and after sand replacement. Quantification of As in the filtered water showed that periods of intense daily use followed by periods of non-use and even sand replacement did not significantly (p

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER124799
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Environmental Geochemistry Group
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Environmental Geochemistry Group > Professorship Environmental Geochemistry - Univ.-Prof. Dr. Britta Planer-Friedrich
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 03 May 2015 08:56
Last Modified: 16 Apr 2018 12:17
URI: https://eref.uni-bayreuth.de/id/eprint/12614