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Biology 2018, 7(1), 12; https://doi.org/10.3390/biology7010012

Comparing Nutrient Removal from Membrane Filtered and Unfiltered Domestic Wastewater Using Chlorella vulgaris

Bioscience department, Swansea University, Singleton Park, Swansea SA2 8PP, UK
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Received: 28 November 2017 / Revised: 12 January 2018 / Accepted: 16 January 2018 / Published: 19 January 2018
(This article belongs to the Special Issue Microalgal Biotechnology)
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Abstract

The nutrient removal efficiency of Chlorella vulgaris cultivated in domestic wastewater was investigated, along with the potential to use membrane filtration as a pre-treatment tool during the wastewater treatment process. Chlorella vulgaris was batch cultivated for 12 days in a bubble column system with two different wastewater treatments. Maximum uptake of 94.18% ammonium (NH4-N) and 97.69% ortho-phosphate (PO4-P) occurred in 0.2 μm membrane filtered primary wastewater. Membrane filtration enhanced the nutrient uptake performance of C. vulgaris by removing bacteria, protozoa, colloidal particles and suspended solids, thereby improving light availability for photosynthesis. The results of this study suggest that growing C. vulgaris in nutrient rich membrane filtered wastewater provides an option for domestic wastewater treatment to improve the quality of the final effluent. View Full-Text
Keywords: domestic wastewater; bioremediation; membrane technology; microalgae; Chlorella vulgaris; eutrophication domestic wastewater; bioremediation; membrane technology; microalgae; Chlorella vulgaris; eutrophication
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Mayhead, E.; Silkina, A.; Llewellyn, C.A.; Fuentes-Grünewald, C. Comparing Nutrient Removal from Membrane Filtered and Unfiltered Domestic Wastewater Using Chlorella vulgaris. Biology 2018, 7, 12.

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