Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/159881
Title: Membrane filtration of manganese (II) remediated-microalgae: manganese (II) removal, extracellular organic matter, and membrane fouling
Authors: Sim, Lee Nuang
Ho, Jia Shin
Khaswan, Nurshazwani Binte
Wu, Bing
Chong, Tzyy Haur
Keywords: Engineering::Environmental engineering
Issue Date: 2021
Source: Sim, L. N., Ho, J. S., Khaswan, N. B., Wu, B. & Chong, T. H. (2021). Membrane filtration of manganese (II) remediated-microalgae: manganese (II) removal, extracellular organic matter, and membrane fouling. Algal Research, 55, 102279-. https://dx.doi.org/10.1016/j.algal.2021.102279
Journal: Algal Research
Abstract: This study investigated the biosorption efficiency of Mn (II) by algae (Thalassiosira pseudonana) and membrane performance in a hybrid algae-membrane system. The presence of Mn (II) at 2–10 mM could influence (i.e., at lower algal inoculation ratio of OD = 0.1) or showed negligible effect (i.e., at higher inoculation ratio of OD = 0.17), on algal growth, cell morphology, pigment content, and extracellular organic matter production. The Mn (II) removal was mainly attributed to the algal uptake mechanisms; and higher removal efficiency (>66%) was achieved at higher algal inoculation ratio. Although increasing the Mn (II) concentration could reduce the algal uptake ratio of Mn (II), the membrane performance was improved. The optical coherence tomography (OCT) analysis revealed that the specific volume of cake layer increased gradually over time, however, the irreversible fouling was predominant and associated the presence of building blocks in soluble organics.
URI: https://hdl.handle.net/10356/159881
ISSN: 2211-9264
DOI: 10.1016/j.algal.2021.102279
Schools: School of Civil and Environmental Engineering 
Research Centres: Nanyang Environment and Water Research Institute 
Singapore Membrane Technology Centre 
Rights: © 2021 Elsevier B.V. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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