Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal

Research output: Contribution to journal › Journal article › Research

Standard

Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal. / Kleinert, Susanne; Muehe, Eva M.; Posth, Nicole R.; Dippon, Urs; Daus, Birgit; Kappler, Andreas.

In: Environmental Science and Technology, 01.09.2011, p. 7533-7541.

Research output: Contribution to journal › Journal article › Research

Harvard

Kleinert, S, Muehe, EM, Posth, NR, Dippon, U, Daus, B & Kappler, A 2011, 'Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal', Environmental Science and Technology, pp. 7533-7541. https://doi.org/10.1021/es201522n

APA

Kleinert, S., Muehe, E. M., Posth, N. R., Dippon, U., Daus, B., & Kappler, A. (2011). Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal. Environmental Science and Technology, 7533-7541. https://doi.org/10.1021/es201522n

Vancouver

Kleinert S, Muehe EM, Posth NR, Dippon U, Daus B, Kappler A. Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal. Environmental Science and Technology. 2011 Sep 1;7533-7541. https://doi.org/10.1021/es201522n

Author

Kleinert, Susanne ; Muehe, Eva M. ; Posth, Nicole R. ; Dippon, Urs ; Daus, Birgit ; Kappler, Andreas. / Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal. In: Environmental Science and Technology. 2011 ; pp. 7533-7541.

Bibtex

@article{71060cbaecf5419c97f360bd5094cfac,
title = "Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal",
abstract = "Millions of people worldwide are affected by As (arsenic) contaminated groundwater. Fe(III) (oxy)hydroxides sorb As efficiently and are therefore used in water purification filters. Commercial filters containing abiogenic Fe(III) (oxy)hydroxides (GEH) showed varying As removal, and it was unclear whether Fe(II)-oxidizing bacteria influenced filter efficiency. We found up to 107 Fe(II)-oxidizing bacteria/g dry-weight in GEH-filters and determined the performance of filter material in the presence and absence of Fe(II)-oxidizing bacteria. GEH-material sorbed 1.7 mmol As(V)/g Fe and was ∼8 times more efficient than biogenic Fe(III) minerals that sorbed only 208.3 μmol As(V)/g Fe. This was also ∼5 times more efficient than a 10:1-mixture of GEH-material and biogenic Fe(III) minerals that bound 322.6 μmol As(V)/g Fe. Coprecipitation of As(V) with biogenic Fe(III) minerals removed 343.0 μmol As(V)/g Fe, while As removal by coprecipitation with biogenic minerals in the presence of GEH-material was slightly less ...",
author = "Susanne Kleinert and Muehe, {Eva M.} and Posth, {Nicole R.} and Urs Dippon and Birgit Daus and Andreas Kappler",
year = "2011",
month = sep,
day = "1",
doi = "10.1021/es201522n",
language = "English",
pages = "7533--7541",
journal = "Environmental Science and Technology",
issn = "1382-3124",
publisher = "Springer",

}

RIS

TY - JOUR

T1 - Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal

AU - Kleinert, Susanne

AU - Muehe, Eva M.

AU - Posth, Nicole R.

AU - Dippon, Urs

AU - Daus, Birgit

AU - Kappler, Andreas

PY - 2011/9/1

Y1 - 2011/9/1

N2 - Millions of people worldwide are affected by As (arsenic) contaminated groundwater. Fe(III) (oxy)hydroxides sorb As efficiently and are therefore used in water purification filters. Commercial filters containing abiogenic Fe(III) (oxy)hydroxides (GEH) showed varying As removal, and it was unclear whether Fe(II)-oxidizing bacteria influenced filter efficiency. We found up to 107 Fe(II)-oxidizing bacteria/g dry-weight in GEH-filters and determined the performance of filter material in the presence and absence of Fe(II)-oxidizing bacteria. GEH-material sorbed 1.7 mmol As(V)/g Fe and was ∼8 times more efficient than biogenic Fe(III) minerals that sorbed only 208.3 μmol As(V)/g Fe. This was also ∼5 times more efficient than a 10:1-mixture of GEH-material and biogenic Fe(III) minerals that bound 322.6 μmol As(V)/g Fe. Coprecipitation of As(V) with biogenic Fe(III) minerals removed 343.0 μmol As(V)/g Fe, while As removal by coprecipitation with biogenic minerals in the presence of GEH-material was slightly less ...

AB - Millions of people worldwide are affected by As (arsenic) contaminated groundwater. Fe(III) (oxy)hydroxides sorb As efficiently and are therefore used in water purification filters. Commercial filters containing abiogenic Fe(III) (oxy)hydroxides (GEH) showed varying As removal, and it was unclear whether Fe(II)-oxidizing bacteria influenced filter efficiency. We found up to 107 Fe(II)-oxidizing bacteria/g dry-weight in GEH-filters and determined the performance of filter material in the presence and absence of Fe(II)-oxidizing bacteria. GEH-material sorbed 1.7 mmol As(V)/g Fe and was ∼8 times more efficient than biogenic Fe(III) minerals that sorbed only 208.3 μmol As(V)/g Fe. This was also ∼5 times more efficient than a 10:1-mixture of GEH-material and biogenic Fe(III) minerals that bound 322.6 μmol As(V)/g Fe. Coprecipitation of As(V) with biogenic Fe(III) minerals removed 343.0 μmol As(V)/g Fe, while As removal by coprecipitation with biogenic minerals in the presence of GEH-material was slightly less ...

U2 - 10.1021/es201522n

DO - 10.1021/es201522n

M3 - Journal article

C2 - 21761933

SP - 7533

EP - 7541

JO - Environmental Science and Technology

JF - Environmental Science and Technology

SN - 1382-3124

ER -

ID: 347307489