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Environmental Sciences Proceedings
Volume 2
Issue 1
10.3390/environsciproc2020002039
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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

The Dissolved Oxygen Effect on the Controlled Growth of Filamentous Microorganisms in Membrane Bioreactors †

by
Dimitra C. Banti
1,
Alexandra Tsali
1,
Manasis Mitrakas
2 and
Petros Samaras
1,*
1
Laboratory of Technologies of Environmental Protection and Utilization of Food By-Products, Department of Food Science and Technology, International Hellenic University, Sindos, GR-57400 Thessaloniki, Greece
2
Laboratory of Analytical Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, GR-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), 39; https://doi.org/10.3390/environsciproc2020002039
Published: 3 September 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

Membrane fouling still remains a drawback for membrane bioreactors; there is nevertheless a natural promising solution which is the growth of filamentous microorganisms in moderate concentrations. In this project, an innovative 25 L membrane bioreactor is used, consisting of two aerated tanks and a membrane tank. The first tank is supplied with high Food/Microorganism (F/M) loading and the second tank with very low loading. The aerated tanks were constantly provided with dissolved oxygen (DO) 2.5 ± 0.5 mg/L. Finally, it is concluded that the imposed aeration conditions contribute to the growth and control of filaments in moderate concentrations having a filamentous index = 2 and therefore reducing membrane fouling for more than 1.5 months, maintaining the trans-membrane pressure at 1.4 ± 0.11 kPa.
Keywords: filamentous microorganisms; membrane bioreactor; membrane fouling; wastewater treatment; dissolved oxygen filamentous microorganisms; membrane bioreactor; membrane fouling; wastewater treatment; dissolved oxygen

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MDPI and ACS Style

Banti, D.C.; Tsali, A.; Mitrakas, M.; Samaras, P. The Dissolved Oxygen Effect on the Controlled Growth of Filamentous Microorganisms in Membrane Bioreactors. Environ. Sci. Proc. 2020, 2, 39. https://doi.org/10.3390/environsciproc2020002039

AMA Style

Banti DC, Tsali A, Mitrakas M, Samaras P. The Dissolved Oxygen Effect on the Controlled Growth of Filamentous Microorganisms in Membrane Bioreactors. Environmental Sciences Proceedings. 2020; 2(1):39. https://doi.org/10.3390/environsciproc2020002039

Chicago/Turabian Style

Banti, Dimitra C., Alexandra Tsali, Manasis Mitrakas, and Petros Samaras. 2020. "The Dissolved Oxygen Effect on the Controlled Growth of Filamentous Microorganisms in Membrane Bioreactors" Environmental Sciences Proceedings 2, no. 1: 39. https://doi.org/10.3390/environsciproc2020002039

APA Style

Banti, D. C., Tsali, A., Mitrakas, M., & Samaras, P. (2020). The Dissolved Oxygen Effect on the Controlled Growth of Filamentous Microorganisms in Membrane Bioreactors. Environmental Sciences Proceedings, 2(1), 39. https://doi.org/10.3390/environsciproc2020002039

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