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Cellulose Nanocrystal/Nanoparticles Hybrid Nanocomposites
2021, 141-164

Hybrid nanocomposites based on cellulose nanocrystals/nanofibrils and titanium oxide: Wastewater treatment

Ateeq Rahmana, V.S.R. Rajasekhar Pullabhotlab, Likius Daniela, Veikko Uahengoa

Faculty of Science, Department of Chemistry and Biochemistry, University of Namibia, Windhoek, Namibia.


This chapter summarizes on the combination of cellulose nano crystal nano fibrils based materials with titanium oxide. These materials promotes a novel functional toward the formation of cellulose nano crystals/nano fibrils and titanium oxides for waste water treatment. There have been excellent comparability between photocatalysts TiO2 and cellulose nano crystals based catalysts which is induced by bio-compatibility and high hydrophilicity of the cellulose components. Cellulose are rich in materials such as cotton, wood, banana stalks, hard wood, soft wood, jute, fruit fibers, bast fibers, microbes, algae, bacteria and animals to name few. Hence, the electron rich hydroxy group of cellulose benefits to promote higher interaction with photocatalysts. And this review focusses on the fabrication of cellulose nano fibrils, hybrid composites and titanium oxides that have attracted attention due its physical and chemical properties and applications of these materials for waste water treatment for the removal, metals, biomaterials, toxic organic molecules, and drugs removal from water and further address on main challenges and limitations in working with nanocellulose-based materials are identified in an effort to improve the development and efficient use of nanocellulose in for waste water treatment. These materials that are prepared by ecofriendly economic process are applicable at Industrial level.

Keywords: Cellulose, Cellulose nano fibers, TiO2, Waste water treatment.

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