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Evaluation of the addition of wheat residues in the production of Pinus oocarpa agglomerated panels

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Abstract

The aim of this research was to evaluate the physical and mechanical properties of Pinus oocarpa wood agglomerated panels produced with the addition of wheat residue at different levels (0, 25, 50, 75 and 100%). For that, the materials were first reduced to particles and chemically characterized by density, moisture, ash content, lignin, extractives and holocellulose analysis. Resulting that the lignin and holocellulose content of the wheat particles showed lower values in relation to Pinus oocarpa wood, in contrast to the moisture, extractives and ash content, which were higher. Then, for the molding the particles were bonded using 12% urea–formaldehyde adhesive in relation to dry mass, and hot-pressed obtaining two panels from each treatment. Physically, the compact ratio and apparent density values obtained presented no significant changes in the different treatments evaluated, and the water absorption and thickness swelling evaluated after 24 h of water immersion showed a proportionally increase in these values in relation to the addition of the by-product however, did not met the minimum established in standards. Finally, the mechanical properties of modulus of rupture, and the modulus of elasticity and the internal bonding, presented a reduction of 78%, 61% and 67%, respectively, showing a decreasing trend with the increasing amount of wheat fibers, which had no strong influence over the improvement of these properties. Therefore, to verify the production feasibility of this agglomerated panels, further studies like chemical pre-treatment to the wheat particles are needed to improve their quality.

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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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The authors declare that no funds, grants, or other support were received during the preparation of this manuscript.

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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Denisse Concepción Vega Villarruel, Eduardo Hélio de Novais Miranda, and Diogo Antonio Correa Gomes. The first draft of the manuscript was written by Denisse Cocnepción Vega Villarruel and all authors commented on previous versions of the manuscript. Reading and editing by Ana Carolina Corrêa Furtini and Carolina Aparecida dos Santos. Conceptualization and supervising by Lourival Marin Mendes and José Benedito Guimarães Júnior. All authors reviewed and approved the final manuscript.

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Correspondence to Denisse Concepción Vega Villarruel.

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Vega Villarruel, D.C., de Novais Miranda, E.H., Gomes, D.A.C. et al. Evaluation of the addition of wheat residues in the production of Pinus oocarpa agglomerated panels. Clean Techn Environ Policy 25, 1753–1760 (2023). https://doi.org/10.1007/s10098-023-02467-6

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  • DOI: https://doi.org/10.1007/s10098-023-02467-6

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