Cellulose/carrageenan/TiO2 Nanocomposite for Adsorption and Photodegradation of Cationic Dye
2017
Jo, S., Konkuk University, Seoul, Republic of Korea | Oh, Y., Konkuk University, Seoul, Republic of Korea | Park, S., Konkuk University, Seoul, Republic of Korea | Kan, E., Texas A and M University, USA | Lee, S.H., Konkuk University, Seoul, Republic of Korea
Cellulose/carrageenan/TiO₂ nanocomposites were simply prepared by the co-dissolution of cellulose and carrageenan, and the dispersion of TiO₂ in 1-ethyl-3- methylimidazolium acetate, followed by reconstitution with anti-solvents. The cellulose/carrageenan/TiO₂ composite showed a much higher adsorption capacity for methylene blue (MB) than the cellulose and cellulose/TiO₂ composite. The cellulose/carrageenan/TiO₂ composite also degraded MB more efficiently in aqueous solution than the cellulose/ TiO₂composite. The MB adsorption capacity of the cellulose/carrageenan/TiO₂ composite increased linearly with increasing carrageenan content in the composites.
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