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Abstract <p>Agro-industrial lignocellulosic residues, such as sugarcane bagasse and coconut fiber, are promising sustainable materials for nutrient delivery in agriculture. In this study, fibers were collected, washed, dried, and delignified using hydrogen peroxide under electrochemical treatment to partially remove lignin and hemicellulose while preserving cellulose. Delignified fibers were then impregnated with liquid biofertilizer (biol) for 24 and 48&#xa0;h and characterized using Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). FTIR analyses revealed modifications in carbonyl, phosphate, and aromatic groups, suggesting physical and chemical interactions between fibers and biofertilizer components. XRD confirmed the preservation of semi-crystalline cellulose and indicated potential incorporation of biofertilizer constituents into the fiber matrix. Lignin removal, rather than impregnation time, was identified as the critical factor for effective functionalization. These results demonstrate that agro-industrial fibers can serve as sustainable functional materials for controlled nutrient release, offering opportunities for the valorization of residues and the development of bioactive agricultural materials.</p> Graphical abstract <p></p>

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Development of biofertilizer materials using on coconut and sugarcane lignocellulosic fibers impregnated with biol: Physicochemical characterization by FTIR and XRD

  • 期刊论文

  • 发表日期：

    2026年4月22日

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  • Minerva Hernández Argüello,
  • Beatriz A. Salazar-Cruz,
  • Edgar Onofre Bustamante,
  • Paola Forero Sossa,
  • Alexia G. Quiroz Dávila,
  • José L. Rivera-Armenta

摘要

Abstract

Agro-industrial lignocellulosic residues, such as sugarcane bagasse and coconut fiber, are promising sustainable materials for nutrient delivery in agriculture. In this study, fibers were collected, washed, dried, and delignified using hydrogen peroxide under electrochemical treatment to partially remove lignin and hemicellulose while preserving cellulose. Delignified fibers were then impregnated with liquid biofertilizer (biol) for 24 and 48 h and characterized using Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). FTIR analyses revealed modifications in carbonyl, phosphate, and aromatic groups, suggesting physical and chemical interactions between fibers and biofertilizer components. XRD confirmed the preservation of semi-crystalline cellulose and indicated potential incorporation of biofertilizer constituents into the fiber matrix. Lignin removal, rather than impregnation time, was identified as the critical factor for effective functionalization. These results demonstrate that agro-industrial fibers can serve as sustainable functional materials for controlled nutrient release, offering opportunities for the valorization of residues and the development of bioactive agricultural materials.

Graphical abstract