期刊
MATERIALS LETTERS
卷 230, 期 -, 页码 293-296出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.07.131
关键词
Oxidized cellulose; Sol-gel preparation; Composite materials; Dye removal
A benign dicarboxylic cellulose/silica hybrid was synthesized through periodate-chlorite oxidation of cellulose followed by in-situ silica network formation through sol-gel process. The crosslinked 2, 3 dicarboxylic cellulose/silica hybrid showed a homogenous morphology and the internal structure shows rodlike structure for 2, 3 dicarboxylic cellulose with similar to 5 nm in width. The current hybrid was investigated as a new adsorbent for methylene blue (MB) adsorption from aqueous solutions. The adsorption data were best represented by pseudo-second-order model and Langmuir isotherm model. The maximum adsorption is 526 mg/g according to Langmuir fitting. The obtained results suggested potential applications of dicarboxylic cellulose/silica hybrid for the efficient removal of MB from contaminated wastewater. (C) 2018 Elsevier B.V. All rights reserved.
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