Fate of low arsenic concentrations during full-scale aeration and rapid filtration

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Abstract

Arsenic (As) mobility during full-scale aeration and rapid filtration was investigated. As(III) remained largely mobile during aeration and as supernatant water and was not efficiently immobilized. In the filter bed however, oxidation of As(III) was complete within 2 min of contact time and As removal efficiency improved. Therefore, the overall conclusion is that not aeration and supernatant storage, but the filter bed is the crucial treatment step for rapid As(III) removal, indicating the importance to control the oxidation sequence of Fe and As for achieving improved As removal efficiencies.

Original languageEnglish
Title of host publicationArsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016
EditorsP. Bhattacharya, M. Vahter, J. Jarsjo, J. Kumpiene, A. Ahmad, C. Sparrenbom, G. Jacks, M.E. Donselaar, J. Bundschuh, R. Naidu
PublisherCRC Press / Balkema
Pages470-471
Number of pages2
ISBN (Electronic)978-1-315-62943-8
ISBN (Print)978-1-138-02941-5
DOIs
Publication statusPublished - 2016
Event6th International Congress on Arsenic in the Environment - http://www.as2016.se/, Stockholm, Sweden
Duration: 19 Jun 201623 Jun 2016
Conference number: 6

Conference

Conference6th International Congress on Arsenic in the Environment
Abbreviated titleAS 2016
CountrySweden
CityStockholm
Period19/06/1623/06/16

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    Gude, J. C. J., Rietveld, L. C., & van Halem, D. (2016). Fate of low arsenic concentrations during full-scale aeration and rapid filtration. In P. Bhattacharya, M. Vahter, J. Jarsjo, J. Kumpiene, A. Ahmad, C. Sparrenbom, G. Jacks, M. E. Donselaar, J. Bundschuh, & R. Naidu (Eds.), Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016 (pp. 470-471). CRC Press / Balkema. https://doi.org/10.1201/b20466-218