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Kanchan arsenic filter: evaluation and applicability to Cambodia

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conference contribution
posted on 2018-02-12, 15:08 authored by Davin Uy, Tommy K. Ngai, Tom Mahin, C. Samnang, M. Saray, M. Adam, D. Baker
Arsenic contamination of drinking water in rural Cambodia has driven the search for mitigation options. The Kanchan Arsenic Filter for household water treatment is being evaluated for its applicability as one potential solution to this crisis. In 2008, ten Kanchan filters, in 5 configurations, were tested over a 30 week period. Each filter treated 40 L/day. The ground water had arsenic and phosphate concentrations averaging 637 μg/L and 5.09 mg/L respectively, representing challenging source water. Arsenic removal averaged 9597% for all configurations. After the first week of start up, all but 1 in 224 samples achieved the Cambodian standard of 50 μg/L. Arsenic removal was not significantly affected by the flow rate or the cleaning of the filter. There was no apparent depletion of arsenic adsorption capacity over the 30 weeks (8400 L filtered). Iron and turbidity removals were also very high, improving the user acceptability of this technology.

History

School

  • Architecture, Building and Civil Engineering

Research Unit

  • Water, Engineering and Development Centre (WEDC)

Published in

WEDC Conference

Citation

UY, D. ... et al, 2009. Kanchan arsenic filter: evaluation and applicability to Cambodia. IN: Shaw, R.J. (ed). Water, sanitation and hygiene - Sustainable development and multisectoral approaches: Proceedings of the 34th WEDC International Conference, Addis Ababa, Ethiopia, 18-22 May 2009, 6p.p.

Publisher

© WEDC, Loughborough University

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2009

Notes

This is a conference paper.

Other identifier

WEDC_ID:10776

Language

  • en

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    WEDC 34th International Conference

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