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<p>Development of a wood-based panel from lignocellulosic residues is a high priority because it addresses waste management, social well-being, and sustainability goals. This study aimed to create a value-added industrial product from nettle plant sticks, obtained after extracting textile fibers, by blending them with abundantly available jute stick particles. Nettle sticks were manually chopped into particles, and their physicochemical properties were characterized. Particleboards were fabricated using a hot-press method from blends of nettle and jute stick particles in five different ratios, combined with commercial resin and paraffin wax to achieve the desired properties of medium-density particleboards according to ISO 16893:2016 standards. All particleboards were evaluated following relevant testing standards, and the results indicated that all boards met the criteria for general-purpose medium-density particleboards. Boards made from 100% nettle sticks satisfied the required properties and demonstrated superior performance compared to those made from 100% jute sticks. Notably, the blend of 50% nettle stick particles and 50% jute stick particles exhibited higher density (733&#xa0;kg/m<sup>3</sup>), compaction ratio (0.78), modulus of rupture (23.6&#xa0;MPa), modulus of elasticity (8.8 GPa), lower water absorption (76% after 24&#xa0;h of soaking), and a higher limiting oxygen index (33) than boards made solely from either nettle or jute sticks. These findings reveal that the previously underutilized non-woody portion of the nettle plant can be effectively used to develop sustainable, value-added products when blended with jute stick particles.</p> Graphical abstract <p></p>

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Sustainable utilization of bio-residuals from the nettle plant and the jute plant

  • 期刊论文

  • 发表日期：

    2025年9月30日

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  • Ammayappan Lakshmanan,
  • Alok Nath Roy,
  • Laxmikanta Nayak,
  • Sanjoy Debnath,
  • Kartick Kumar Samanta,
  • Atul Singha,
  • Haokhothang Baite

摘要

Development of a wood-based panel from lignocellulosic residues is a high priority because it addresses waste management, social well-being, and sustainability goals. This study aimed to create a value-added industrial product from nettle plant sticks, obtained after extracting textile fibers, by blending them with abundantly available jute stick particles. Nettle sticks were manually chopped into particles, and their physicochemical properties were characterized. Particleboards were fabricated using a hot-press method from blends of nettle and jute stick particles in five different ratios, combined with commercial resin and paraffin wax to achieve the desired properties of medium-density particleboards according to ISO 16893:2016 standards. All particleboards were evaluated following relevant testing standards, and the results indicated that all boards met the criteria for general-purpose medium-density particleboards. Boards made from 100% nettle sticks satisfied the required properties and demonstrated superior performance compared to those made from 100% jute sticks. Notably, the blend of 50% nettle stick particles and 50% jute stick particles exhibited higher density (733 kg/m3), compaction ratio (0.78), modulus of rupture (23.6 MPa), modulus of elasticity (8.8 GPa), lower water absorption (76% after 24 h of soaking), and a higher limiting oxygen index (33) than boards made solely from either nettle or jute sticks. These findings reveal that the previously underutilized non-woody portion of the nettle plant can be effectively used to develop sustainable, value-added products when blended with jute stick particles.

Graphical abstract