期刊
RSC ADVANCES
卷 7, 期 65, 页码 41176-41181出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra06322a
关键词
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资金
- National Natural Science Foundation of China [31470604, 31170554]
- Fundamental Research Fund of Dalian Polytechnic University [2016J001]
The preparation, characterization, and adsorption characteristics of lignin/silica nanocomposites are described. The nanocomposites were obtained from cellulosic ethanol residue (CER) by an in situ method. The lignin was used as a structure directing reagent, and sulfuric acid as precipitating reagent during the synthesis of lignin/silica nanocomposites. The effects of pH on the properties of the nanocomposites have been investigated in detail. The prepared nanocomposites were characterized by the FT-IR, SEM, TG-TGA, XPS and low-temperature nitrogen sorption methods. Adsorption capacities and adsorption behaviors of selected lignin/silica nanocomposite, lignin, and silica for Methylene Blue (MB) were also studied, respectively. The results indicated that the lignin/silica nanocomposite is a good candidate for a biosorbent, providing a potential route for the high value-added utilization of CER.
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