Microstructure and filtration performance of konjac glucomannan-based aerogels strengthened by wheat straw
Author(s) -
Yixin Wang,
Xi Chen,
Ying Kuang,
Man Xiao,
Yuehong Su,
Fatang Jiang
Publication year - 2017
Publication title -
international journal of low-carbon technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.458
H-Index - 26
eISSN - 1748-1325
pISSN - 1748-1317
DOI - 10.1093/ijlct/ctx021
Subject(s) - materials science , composite number , microstructure , porosity , composite material , straw , filtration (mathematics) , compressive strength , glucomannan , elasticity (physics) , young's modulus , chemical engineering , chemistry , food science , mathematics , inorganic chemistry , statistics , engineering
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.
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom