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Development and Characterization of Particle Boards Based on Sorghum Husk

Open Journal of Applied Sciences 2024年第9期14卷 2460-2470页

作者： hamed tidjani tabe gbian Edem Chabi Valéry Kouandété Doko Kora Farid Carlos Yarou Emmanuel Olodo Laboratory of Applied Energy and Mechanics (LEMA) Polytechnic School of Abomey-Calavi University of Abomey-Calavi Abomey-Calavi Benin Laboratory of Rural Engineering School of Rural Engineering National University of Agriculture Ketou Benin

This study tackles current environmental challenges by developing innovative and eco-friendly particle boards utilizing sorghum husk, combined with recycled expanded polystyrene (EPS). This dual eco-responsible approach valorizes sorghum husk, often deemed agricultural waste, and repurposes EPS, a plastic waste, thus contributing to CO 2 emission reduction and effective waste management. The manufacturing process involves dissolving recycled polystyrene within a solvent to create a binder, which is then mixed with sorghum husk and cold-pressed into composite boards. The study explores the impact of two particle sizes (fine and coarse) and two different concentrations of the recycled EPS binder. Results demonstrate significant variations in the boards’ mechanical properties, displaying a range of Modulus of Rupture (MOR) from 0.84 MPa to 3.85 MPa, and Modulus of Elasticity (MOE) spanning from 658.13 MPa to 1313.25 MPa, influenced by the binder concentration and particle size. These characteristics suggest that the boards can be effectively used in various construction applications, including interior decoration, false ceilings, and potentially for furniture and door manufacturing when combined with appropriate coatings. This study not only exemplifies the valorization of plastic and agricultural wastes but also offers a practical, localized solution to global climate change challenges by promoting sustainable construction materials.

关键词： Eco-Material Bio-Sourced Material Sorghum Husk Particle Board Recycled Expanded Polystyrene Sustainable Construction

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