Preparation of corn straw based spongy aerogel for spillage oil capture

被引:0
|
作者
Yuan Li
Xiaodong Liu
Weijie Cai
Yafeng Cao
Yanfeng Sun
Fengzhi Tan
机构
[1] Dalian Polytechnic University,School of Light Industry and Chemical Engineering
[2] Zhejiang Ji-Hua Group Co.,undefined
[3] Ltd.,undefined
来源
Korean Journal of Chemical Engineering | 2018年 / 35卷
关键词
Aerogel; Corn Straw; Filter Paper; Freeze-drying; Oil Absorption;
D O I
暂无
中图分类号
学科分类号
摘要
This work mainly focused on the preparation of a low-cost, ultralight absorbent from renewable corn straw and filter paper via a facile and environmental-friendly approach containing high-shear blending and freeze-drying operation. The physicochemical properties of aerogel were thoroughly examined by several characterization techniques. The satisfactory hydrophobicity of the spongy aerogel was attributed to the formation of polysiloxane on the surface of methyltrimethoxysilane (MTMS) by the silanization reaction. Owing to its superior features, such as ultralow density, high porosity, desirable hydrophobicity, the corn straw based spongy aerogel exhibited a remarkable absorption capacity for both crude oil (36 g/g) and common organic solvents including carbon tetrachloride (CCl4, 45 g/g), dimethyl sulphoxide (DMSO, 24 g/g), N, N-dumethylformamide (DMF, 45 g/g). This might shed light on the design of efficient adsorbent for oil spills and organic pollutants to meet with the sustainable development.
引用
收藏
页码:1119 / 1127
页数:8
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