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

Author

Listed:
  • Yixin Wang
  • Xi Chen
  • Ying Kuang
  • Man Xiao
  • Yuehong Su
  • Fatang Jiang

Abstract

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.

Suggested Citation

  • Yixin Wang & Xi Chen & Ying Kuang & Man Xiao & Yuehong Su & Fatang Jiang, 2018. "Microstructure and filtration performance of konjac glucomannan-based aerogels strengthened by wheat straw," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 13(1), pages 67-75.
    • Handle: RePEc:oup:ijlctc:v:13:y:2018:i:1:p:67-75.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctx021
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    Cited by:

    1. Hong Qian & Kao Wu & Yuhang Cheng & Chong Li & Juan Wang & Fatang Jiang, 2023. "Novel temperature test method for aroma and filter materials," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 18, pages 123-130.

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