Water treatment via non-membrane inorganic nanoparticles/cellulose composites |
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| Affiliation: | 1. Department of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA;2. Renewable Bioproduct Institute, Georgia Institute of Technology, Atlanta, GA 30332, USA;1. Key Laboratory of Biomass Chemical Engineering of MOE, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China;2. Xi''an High-Tech Institute, Xi''an 710025, China;3. Griffith School of Engineering, Griffith University, Nathan Campus, Brisbane, Queensland 4111, Australia;1. Department of Physics and Astronomy, Botswana International University of Science and Technology, Private Bag 16, Palapye, Botswana;2. Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology, Private Bag 16, Palapye, Botswana;1. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, College of Light Industry and Food, Nanjing Forestry University, Nanjing, 210037, China;2. Zhejiang Hengda New Material Co. LTD, Longyou, 324401, China;1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, People’s Republic of China;2. Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia;1. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, PR China;2. Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu 610065, PR China |
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| Abstract: | Nanomaterials offer innovations in water purification technology with decreased operational and capital cost, reduced dosage, and improved pollutant selectivity. In particular, inorganic nanoparticles (NPs)/cellulose hybrid nanocomposites have attracted growing interest due to the unique properties of cellulose and high specific surface area of NPs and their pollutant selectivity. The integration with cellulose brings benefits to inorganic NPs for water treatment, including preventing agglomeration, ensuring colloidal stability, and allowing for separation by magnetic nanoparticles after purification. In this review, firstly, conventional water treatment technologies are introduced (Section 1). Following this, an overview of inorganic NPs/cellulose composites for water treatment (Section 2) is presented. Moreover, engineering of such hybrid composites is discussed (Section 3). Furthermore, water purification of inorganic NPs/cellulose through adsorption of pollutants (Section 4) and non-adsorption (catalytic, photocatalytic, and antibacterial) activities (Section 5) are highlighted. Finally, conclusions and outlook are provided (Section 6). |
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| Keywords: | Nanoparticles Cellulose Water treatment Adsorption Catalyst Antibacterial |
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