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Article

Sugar Beet Processing Wastewater Treatment by Microalgae through Biosorption

by
Nadiia Khakimova
1,*,
Nikola Maravić
2,
Petar Davidović
1,
Dajana Blagojević
1,
Milena Bečelić-Tomin
3,
Jelica Simeunović
1,
Vesna Pešić
3,
Zita Šereš
2,
Anamarija Mandić
4,
Milica Pojić
4 and
Aleksandra Mišan
4
1
Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
2
Faculty of Technology, University of Novi Sad, Bul. Cara Lazara 1, 21000 Novi Sad, Serbia
3
Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
4
Institute of Food Technology in Novi Sad, University of Novi Sad, Bul. Cara Lazara 1, 21000 Novi Sad, Serbia
*
Author to whom correspondence should be addressed.
Water 2022, 14(6), 860; https://doi.org/10.3390/w14060860
Submission received: 17 January 2022 / Revised: 25 February 2022 / Accepted: 28 February 2022 / Published: 10 March 2022
(This article belongs to the Special Issue Plant- and Microbial-Based Novel Biosorbents)
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Abstract

The aim of this study was to investigate the potential of environmental pollution reduction of sugar beet processing factory wastewater by the biorefinery approach and integration of microalgae biomass production. In the present study, Chlorella vulgaris was cultivated in wastewater collected from a sugar beet processing factory at the beginning and at the end of a sugar plant campaign in an aerobic bioreactor on a laboratory scale under controlled conditions, with an air flow of 0.4 L/min, a temperature of 26 °C, and pH = 8. Microalgae showed effective nutrient remediation from wastewater. During wastewater treatment, chemical oxygen demand (COD) and biological oxygen demand (BOD) removal efficiency was 93.7% and 98.1%, respectively; total organic carbon (TOC) content decreased by 95.7%. Nitrites and nitrates decreased by 96%, while the biggest decrease in metal ions was achieved for Ca and Mn (82.7% and 97.6%, respectively). The findings of this study suggest that coupling microalgae cultivation and wastewater treatment has a lot of potential for reducing contamination through biosorption, while also providing environmental advantages.
Keywords: wastewater treatment; microalgae cultivation; biosorption; nutrient removal; biorefinery concept wastewater treatment; microalgae cultivation; biosorption; nutrient removal; biorefinery concept

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MDPI and ACS Style

Khakimova, N.; Maravić, N.; Davidović, P.; Blagojević, D.; Bečelić-Tomin, M.; Simeunović, J.; Pešić, V.; Šereš, Z.; Mandić, A.; Pojić, M.; et al. Sugar Beet Processing Wastewater Treatment by Microalgae through Biosorption. Water 2022, 14, 860. https://doi.org/10.3390/w14060860

AMA Style

Khakimova N, Maravić N, Davidović P, Blagojević D, Bečelić-Tomin M, Simeunović J, Pešić V, Šereš Z, Mandić A, Pojić M, et al. Sugar Beet Processing Wastewater Treatment by Microalgae through Biosorption. Water. 2022; 14(6):860. https://doi.org/10.3390/w14060860

Chicago/Turabian Style

Khakimova, Nadiia, Nikola Maravić, Petar Davidović, Dajana Blagojević, Milena Bečelić-Tomin, Jelica Simeunović, Vesna Pešić, Zita Šereš, Anamarija Mandić, Milica Pojić, and et al. 2022. "Sugar Beet Processing Wastewater Treatment by Microalgae through Biosorption" Water 14, no. 6: 860. https://doi.org/10.3390/w14060860

APA Style

Khakimova, N., Maravić, N., Davidović, P., Blagojević, D., Bečelić-Tomin, M., Simeunović, J., Pešić, V., Šereš, Z., Mandić, A., Pojić, M., & Mišan, A. (2022). Sugar Beet Processing Wastewater Treatment by Microalgae through Biosorption. Water, 14(6), 860. https://doi.org/10.3390/w14060860

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