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Title: Nanocellulose-based materials for water treatment: Adsorption, photocatalytic degradation, disinfection, antifouling, and nanofiltration
Authors: Salama, Ahmed
Abouzeid, Ragab
Leong, Wei Sun 
Jeevanandam, Jaison
Samyn, Pieter
Dufresne, Alain
Bechelany, Mikhael
Barhoum, Ahmed
Keywords: Bacterial cellulose
Membranes filtration
Surface functionalization
Issue Date: 9-Nov-2021
Publisher: MDPI
Citation: Salama, Ahmed, Abouzeid, Ragab, Leong, Wei Sun, Jeevanandam, Jaison, Samyn, Pieter, Dufresne, Alain, Bechelany, Mikhael, Barhoum, Ahmed (2021-11-09). Nanocellulose-based materials for water treatment: Adsorption, photocatalytic degradation, disinfection, antifouling, and nanofiltration. Nanomaterials 11 (11) : 3008. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Nanocelluloses are promising bio-nano-materials for use as water treatment materials in environmental protection and remediation. Over the past decades, they have been integrated via novel nanoengineering approaches for water treatment processes. This review aims at giving an overview of nanocellulose requirements concerning emerging nanotechnologies of waster treatments and purification, i.e., adsorption, absorption, flocculation, photocatalytic degradation, disinfection, antifouling, ultrafiltration, nanofiltration, and reverse osmosis. Firstly, the nanocellulose synthesis methods (mechanical, physical, chemical, and biological), unique properties (sizes, geometries, and surface chemistry) were presented and their use for capturing and removal of wastewater pollutants was explained. Secondly, different chemical modification approaches surface functionalization (with functional groups, polymers, and nanoparticles) for enhancing the surface chemistry of the nanocellulose for enabling the effective removal of specific pollutants (suspended particles, microorganisms, hazardous metals ions, organic dyes, drugs, pesticides fertilizers, and oils) were highlighted. Thirdly, new fabrication approaches (solution casting, thermal treatment, electrospinning, 3D printing) that integrated nanocelluloses (spherical nanoparticles, nanowhiskers, nanofibers) to produce water treatment materials (individual composite nanoparticles, hydrogels, aerogels, sponges, membranes, and nanopapers) were covered. Finally, the major challenges and future perspectives concerning the applications of nanocellulose based materials in water treatment and purification were highlighted. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Source Title: Nanomaterials
ISSN: 2079-4991
DOI: 10.3390/nano11113008
Rights: Attribution 4.0 International
Appears in Collections:Staff Publications

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