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Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor

Tutkimustuotosvertaisarvioitu

Standard

Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor. / Mal, J.; Nancharaiah, Y. V.; van Hullebusch, E. D.; Lens, P. N.L.

julkaisussa: Bioresource Technology, Vuosikerta 229, 2017, s. 11-19.

Tutkimustuotosvertaisarvioitu

Harvard

Mal, J, Nancharaiah, YV, van Hullebusch, ED & Lens, PNL 2017, 'Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor', Bioresource Technology, Vuosikerta. 229, Sivut 11-19. https://doi.org/10.1016/j.biortech.2016.12.112

APA

Mal, J., Nancharaiah, Y. V., van Hullebusch, E. D., & Lens, P. N. L. (2017). Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor. Bioresource Technology, 229, 11-19. https://doi.org/10.1016/j.biortech.2016.12.112

Vancouver

Mal J, Nancharaiah YV, van Hullebusch ED, Lens PNL. Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor. Bioresource Technology. 2017;229:11-19. https://doi.org/10.1016/j.biortech.2016.12.112

Author

Mal, J. ; Nancharaiah, Y. V. ; van Hullebusch, E. D. ; Lens, P. N.L. / Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor. Julkaisussa: Bioresource Technology. 2017 ; Vuosikerta 229. Sivut 11-19.

Bibtex - Lataa

@article{7b0907168fa447e68f0576cf4aa404cd,
title = "Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor",
abstract = "Wastewaters contaminated by both selenium and ammonium need to be treated prior to discharge into natural water bodies, but there are no studies on the simultaneous removal of selenium and ammonium. A sequencing batch reactor (SBR) was inoculated with activated sludge and operated for 90 days. The highest ammonium removal efficiency achieved was 98{\%}, while the total nitrogen removal was 75{\%}. Nearly a complete chemical oxygen demand removal efficiency was attained after 16 days of operation, whereas complete selenate removal was achieved only after 66 days. The highest total Se removal efficiency was 97{\%}. Batch experiments showed that the total Se in the aqueous phase decreased by 21{\%} with increasing initial ammonium concentration from 50 to 100 mg L−1. This study showed that SBR can remove both selenate and ammonium via, respectively, bioreduction and partial nitrification-denitrification and thus offer possibilities for treating selenium and ammonium contaminated effluents.",
keywords = "Activated sludge, Elemental selenium, Selenate bioreduction, Sequencing batch reactor, Simultaneous nitrification and denitrification",
author = "J. Mal and Nancharaiah, {Y. V.} and {van Hullebusch}, {E. D.} and Lens, {P. N.L.}",
year = "2017",
doi = "10.1016/j.biortech.2016.12.112",
language = "English",
volume = "229",
pages = "11--19",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "ELSEVIER SCI LTD",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Biological removal of selenate and ammonium by activated sludge in a sequencing batch reactor

AU - Mal, J.

AU - Nancharaiah, Y. V.

AU - van Hullebusch, E. D.

AU - Lens, P. N.L.

PY - 2017

Y1 - 2017

N2 - Wastewaters contaminated by both selenium and ammonium need to be treated prior to discharge into natural water bodies, but there are no studies on the simultaneous removal of selenium and ammonium. A sequencing batch reactor (SBR) was inoculated with activated sludge and operated for 90 days. The highest ammonium removal efficiency achieved was 98%, while the total nitrogen removal was 75%. Nearly a complete chemical oxygen demand removal efficiency was attained after 16 days of operation, whereas complete selenate removal was achieved only after 66 days. The highest total Se removal efficiency was 97%. Batch experiments showed that the total Se in the aqueous phase decreased by 21% with increasing initial ammonium concentration from 50 to 100 mg L−1. This study showed that SBR can remove both selenate and ammonium via, respectively, bioreduction and partial nitrification-denitrification and thus offer possibilities for treating selenium and ammonium contaminated effluents.

AB - Wastewaters contaminated by both selenium and ammonium need to be treated prior to discharge into natural water bodies, but there are no studies on the simultaneous removal of selenium and ammonium. A sequencing batch reactor (SBR) was inoculated with activated sludge and operated for 90 days. The highest ammonium removal efficiency achieved was 98%, while the total nitrogen removal was 75%. Nearly a complete chemical oxygen demand removal efficiency was attained after 16 days of operation, whereas complete selenate removal was achieved only after 66 days. The highest total Se removal efficiency was 97%. Batch experiments showed that the total Se in the aqueous phase decreased by 21% with increasing initial ammonium concentration from 50 to 100 mg L−1. This study showed that SBR can remove both selenate and ammonium via, respectively, bioreduction and partial nitrification-denitrification and thus offer possibilities for treating selenium and ammonium contaminated effluents.

KW - Activated sludge

KW - Elemental selenium

KW - Selenate bioreduction

KW - Sequencing batch reactor

KW - Simultaneous nitrification and denitrification

U2 - 10.1016/j.biortech.2016.12.112

DO - 10.1016/j.biortech.2016.12.112

M3 - Article

VL - 229

SP - 11

EP - 19

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

ER -