Microstructure and filtration performance of konjac glucomannan-based aerogels strengthened by wheat straw

被引：31
|
作者：
Wang, Yixin [1 ]
Chen, Xi [1 ]
Kuang, Ying [1 ]
Xiao, Man [1 ]
Su, Yuehong [2 ]
Jiang, Fatang [1 ]
机构：
[1] Hubei Univ Technol, Glyn O Philips Hydrocolloid Res Ctr HUT, Wuhan 430068, Hubei, Peoples R China
[2] Univ Nottingham, Fac Engn, Dept Architecture & Bldg Environm, Univ Pk,Sustainable Res Bldg, Nottingham NG27 2RD, England
来源：
INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES | 2019年 / 14卷 / 03期
关键词：
composite aerogels; konjac glucomannan; wheat straw; porosity; filtration performance; PARTICULATE AIR-POLLUTION; CELLULOSE AEROGELS; OXIDE AEROGEL; PM2.5; ADSORPTION; MORTALITY; REMOVAL;
D O I：
10.1093/ijlct/ctx021
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This study presents the preparation and measurement of a novel environmentally friendly konjac glucomannan (KGM)-based composite aerogels enhanced with wheat straw (WS) via a sol-gel and freeze-drying progress. With the addition of WS, the porosity of aerogels could be increased from 50 to 88.13%, the filtration resistance of aerogels could be reduced from 500 to 205 Pa, and the filtration efficiency could be improved to 90.38%. The addition of WS also enhances the mechanical properties of composite aerogels with compression modulus of 2000.66 Pa, compressive strength of 501.56 Pa and elasticity of 0.603. The results demonstrate the high potential of KGM-based composite aerogels enhanced with WS for applications in air filtering.
引用
收藏
页码：335 / 343
页数：9
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