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The aim of this study is to provide a comprehensive analysis and characterization of various bio-based materials, aiming to explore their potential applications to incorporate them in construction materials. The materials investigated include rice husk, olive tree branches, olive pits, Posidonia oceanica, corn stalk, sunflower stalk, luffa, hemp stalk, and wheat straw. These materials were selected for their abundance and renewable nature, making them attractive candidates for sustainable building materials. A suite of analytical techniques was employed to thoroughly investigate the properties of these materials. X-ray fluorescence (XRF) was used to determine the elemental composition, Fourier-transform infrared spectroscopy (FTIR) provided insights into the functional groups and chemical bonds present, thermal gravimetric analysis (TGA) assessed the thermal stability and decomposition profiles, which is a valuable information that can be correlated with the fire reaction behaviour. Thermal conductivity and diffusivity measurements were conducted to evaluate the insulation properties, with some materials showing promise as effective thermal insulators. Particle analysis by means of image analysis using ImageJ software facilitated a quantitative assessment of particle sizes and distributions, further elucidating the physical characteristics of the materials. Scanning electron microscopy (SEM) observations allowed for detailed morphological analysis, highlighting the microstructural differences and similarities among the materials. Overall, the findings underscore the diverse properties of these bio-based materials, suggesting that specific materials or combinations thereof can be optimized for its application in the construction sector in different applications such as thermal insulation materials or pozzolanic additions. This study not only advances the understanding of the inherent properties of these renewable resources but also provides a foundation for developing sustainable building materials with enhanced performance characteristics.

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Vegetable Raw Materials Characterization: Chemical Composition Analysis and Comparison Between Materials

  • 会议论文

  • 发表日期：

    2025年

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  • Brenda Arias Cárdenas,
  • Ana Maria Lacasta,
  • Laia Haurie,
  • Antonia Navarro

摘要

The aim of this study is to provide a comprehensive analysis and characterization of various bio-based materials, aiming to explore their potential applications to incorporate them in construction materials. The materials investigated include rice husk, olive tree branches, olive pits, Posidonia oceanica, corn stalk, sunflower stalk, luffa, hemp stalk, and wheat straw. These materials were selected for their abundance and renewable nature, making them attractive candidates for sustainable building materials. A suite of analytical techniques was employed to thoroughly investigate the properties of these materials. X-ray fluorescence (XRF) was used to determine the elemental composition, Fourier-transform infrared spectroscopy (FTIR) provided insights into the functional groups and chemical bonds present, thermal gravimetric analysis (TGA) assessed the thermal stability and decomposition profiles, which is a valuable information that can be correlated with the fire reaction behaviour. Thermal conductivity and diffusivity measurements were conducted to evaluate the insulation properties, with some materials showing promise as effective thermal insulators. Particle analysis by means of image analysis using ImageJ software facilitated a quantitative assessment of particle sizes and distributions, further elucidating the physical characteristics of the materials. Scanning electron microscopy (SEM) observations allowed for detailed morphological analysis, highlighting the microstructural differences and similarities among the materials. Overall, the findings underscore the diverse properties of these bio-based materials, suggesting that specific materials or combinations thereof can be optimized for its application in the construction sector in different applications such as thermal insulation materials or pozzolanic additions. This study not only advances the understanding of the inherent properties of these renewable resources but also provides a foundation for developing sustainable building materials with enhanced performance characteristics.