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Environmental Sciences Proceedings
Volume 2
Issue 1
10.3390/environsciproc2020002023
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Environmental Sciences Proceedings concluded publication with Volume 29, Issue 1. It has been succeeded by Environmental and Earth Sciences Proceedings, which has a revised scope and a new editorial direction and is now published here. To preserve historical data integrity, the information on this webpage is retained but will no longer be updated.
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Proceeding Paper

Selenite Removal from Water †

by
Kyriaki Kalaitzidou
1,
Andreas‐Arsenios Nikoletopoulos
1,
Loukas Bakouros
1,
Anastasios Zouboulis
2 and
Manassis Mitrakas
1,*
1
Department of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
2
Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
*
Author to whom correspondence should be addressed.
†
Presented at the 4th EWaS International Conference: Valuing the Water, Carbon, Ecological Footprints of Human Activities, Online, 24–27 June 2020.
Environ. Sci. Proc. 2020, 2(1), 23; https://doi.org/10.3390/environsciproc2020002023
Published: 13 August 2020
(This article belongs to the Proceedings of The 4th EWaS International Conference: Valuing the Water, Carbon, Ecological Footprints of Human Activities)
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Abstract

The present study aims at comparing the two most promising water treatment technologies for selenium removal. A techno‐economical comparison of Se(IV) uptake between the laboratory synthesized iron oxy hydroxide (FeOOH/2.5) with the highest positive surface density of 3.25 mmol [OH−]/g and adsorption capacity 4.3 μg Se(IV)/mg FeOOH/2.5 at pH 7, and coagulation/precipitation with the use of Fe(III) presenting an uptake capacity 3.2 μg Se(IV)/mg Fe was attempted based on the laboratory scale results. The evaluation showed that coagulation/precipitation treatment appears to be economically advantageous in comparison to adsorption process that was applied in Rapid Small Scale Column Tests (RSSCTs) with the FeOOH/2.5. It must be pointed out that for selection of the optimum removal method, other criteria should also be considered, such as post treatment requirements, water flow, labor cost, and maintenance requirements.
Keywords: Se(IV); adsorption; coagulation/precipitation; iron oxy‐hydroxides; Fe‐based coagulants; cost comparison Se(IV); adsorption; coagulation/precipitation; iron oxy‐hydroxides; Fe‐based coagulants; cost comparison

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MDPI and ACS Style

Kalaitzidou, K.; Nikoletopoulos, A.; Bakouros, L.; Zouboulis, A.; Mitrakas, M. Selenite Removal from Water. Environ. Sci. Proc. 2020, 2, 23. https://doi.org/10.3390/environsciproc2020002023

AMA Style

Kalaitzidou K, Nikoletopoulos A, Bakouros L, Zouboulis A, Mitrakas M. Selenite Removal from Water. Environmental Sciences Proceedings. 2020; 2(1):23. https://doi.org/10.3390/environsciproc2020002023

Chicago/Turabian Style

Kalaitzidou, Kyriaki, Andreas‐Arsenios Nikoletopoulos, Loukas Bakouros, Anastasios Zouboulis, and Manassis Mitrakas. 2020. "Selenite Removal from Water" Environmental Sciences Proceedings 2, no. 1: 23. https://doi.org/10.3390/environsciproc2020002023

APA Style

Kalaitzidou, K., Nikoletopoulos, A., Bakouros, L., Zouboulis, A., & Mitrakas, M. (2020). Selenite Removal from Water. Environmental Sciences Proceedings, 2(1), 23. https://doi.org/10.3390/environsciproc2020002023

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