Preparation, characterization and the adsorption characteristics of lignin/silica nanocomposites from cellulosic ethanol residue

被引：36
作者：
Tian, Weizhen [1 ]
Li, Haiming [1 ]
Zhou, Jinghui [1 ]
Guo, Yanzhu [1 ]
机构：
[1] Dalian Polytech Univ, Liaoning Key Lab Pulp & Papermaking Engn, Dalian 116034, Liaoning, Peoples R China
来源：
RSC ADVANCES | 2017年 / 7卷 / 65期
基金：
中国国家自然科学基金;
关键词：
PRECIPITATION METHOD; METHYLENE-BLUE; BLACK LIQUOR; KRAFT LIGNIN; RICE STRAW; SILICA; ANTIOXIDANT; BEHAVIOR; NANOPARTICLES; PARTICLES;
D O I：
10.1039/c7ra06322a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
引用
收藏
页码：41176 / 41181
页数：6
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