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This study presents the initial results demonstrating the potential of the alkali-activated metakaolin geopolymer to degrade α-pinene in gas phase under UV activation. A metakaolin-based geopolymer sample pellet was synthesised with metakaolin and alkali activators (sodium hydroxide and sodium silicate), which contains naturally occurring photocatalysts TiO2(anatase). Photocatalytic degradation of gaseous α-pinene was studied in a novel flow cell and analysed using GC–MS. The α-pinene degraded to 55% of the total concentration, proving the photocatalytic reactivity of metakaolin-based geopolymer materials.

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Initial Results of the Degradation of α-Pinene Utilising a Metakoalin-Based Geopolymer

  • 会议论文

  • 发表日期：

    2025年

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  • Jamie Thomas Wilson,
  • Xinyuan Ke,
  • Daniel Maskell,
  • Richard James Ball

摘要

This study presents the initial results demonstrating the potential of the alkali-activated metakaolin geopolymer to degrade α-pinene in gas phase under UV activation. A metakaolin-based geopolymer sample pellet was synthesised with metakaolin and alkali activators (sodium hydroxide and sodium silicate), which contains naturally occurring photocatalysts TiO2(anatase). Photocatalytic degradation of gaseous α-pinene was studied in a novel flow cell and analysed using GC–MS. The α-pinene degraded to 55% of the total concentration, proving the photocatalytic reactivity of metakaolin-based geopolymer materials.