Nano-clay modified membranes: A promising green strategy for microalgal antifouling filtration

Houda Ennaceri; Victor Okorie Mkpuma; Navid Moheimani

doi:10.1016/j.scitotenv.2023.166479

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Nano-clay modified membranes: A promising green strategy for microalgal antifouling filtration

Journal article

Open access

Peer reviewed

Nano-clay modified membranes: A promising green strategy for microalgal antifouling filtration

Houda Ennaceri, Victor Okorie Mkpuma and Navid Moheimani

Science of the Total Environment, Vol.902, 166479

2023

DOI: https://doi.org/10.1016/j.scitotenv.2023.166479

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Abstract

Antifouling

Filtration

Membranes

Microalgal harvesting

Nano-clays

Membrane fouling is a major challenge which limits the sustainable application of membrane filtration-based microalgal harvesting at industrial level. Membrane fouling leads to increased operational and maintenance costs and represents a major obstacle to microalgal downstream processing. Nano-clays are promising naturally occurring nanoparticles in membrane fabrication due to their low-cost, facile preparation, and their superior properties in terms of surface hydrophilicity, mechanical stability, and resistance against chemicals. The membrane surface modification using nano-clays is a sustainable promising approach to improve membranes mechanical properties and their fouling resistance. However, the positive effects of nano-clay particles on membrane fouling are often limited by aggregation and poor adhesion to the base polymeric matrix. This review surveys the recent efforts to achieve anti-fouling behavior using membrane surface modification with nano-clay fillers. Further, strategies to achieve a better incorporation of nano-clay in the polymer matrix of the membrane are summarised, and the factors that govern the membrane fouling, stability, adhesion, agglomeration and leaching are discussed in depth.

Details

Title: Nano-clay modified membranes: A promising green strategy for microalgal antifouling filtration
Authors/Creators: Houda Ennaceri
Victor Okorie Mkpuma
Navid Moheimani - Murdoch University, Centre for Water, Energy and Waste
Publication Details: Science of the Total Environment, Vol.902, 166479
Publisher: Elsevier B.V.
Identifiers: 991005599568007891
Murdoch Affiliation: School of Environmental and Conservation Sciences; Centre for Water, Energy and Waste; Algae R&D Centre
Resource Type: Journal article

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Citation topics: 3 Agriculture, Environment & Ecology; 3.171 Photoproductivity; 3.171.477 Microalgae Biotechnology
Web Of Science research areas: Environmental Sciences
ESI research areas: Environment/Ecology