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KMID : 1094720170220060734
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Biotechnology and Bioprocess Engineering
2017 Volume.22 No. 6 p.734 ~ p.738
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Cellulose/carrageenan/TiO2 nanocomposite for adsorption and photodegradation of cationic dye
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Jo So-Yeon
Oh Yu-Jin
Park Sae-Rom
Kan Eun-Sung
Lee Sang-Hyun
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Abstract
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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/ TiO2 composite. The MB adsorption capacity of the cellulose/carrageenan/TiO2 composite increased linearly with increasing carrageenan content in the composites.
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KEYWORD
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cellulose, titanium oxide, carrageenan, methylene blue, photodegradation
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