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<p>Food-derived biomass residue, such as jackfruit (Artocarpus heterophyllus) peel, offers a sustainable and abundant feedstock for clean energy production due to its high volatile content and continuous generation. Also, the supercritical water gasification (SCWG) presents an environmentally sound and efficient pathway for converting high-moisture biomass into hydrogen-rich syngas while minimizing solid residues and tar. This study investigates the SCWG performance of jackfruit peel at 300, 450, and 600&#xa0;°C under 25&#xa0;MPa for 30&#xa0;min and evaluates the effect of a multifunctional Mo–Cu@N-biochar–LaFeO<sub>3</sub> catalyst at 5, 10, and 15 wt% loadings. Hydrogen yield increased from 3.45 mmol/g at 300&#xa0;°C to 9.84 mmol/g at 600&#xa0;°C, corresponding to enhanced steam reforming and water–gas shift reactions. At 600&#xa0;°C, gasification efficiency reached 74%, tar formation decreased to 2.4 wt%, and heat recovery achieved 16.3&#xa0;kJ/g. Catalyst loading significantly strengthened process performance: the 15 wt% formulation enhanced hydrogen yield to 13.5 mmol/g, improved gasification efficiency to 84.5%, reduced tar to 1.7 wt%, and increased heat recovery to 27.1&#xa0;kJ/g. These results demonstrate the synergistic action of Mo, Cu, N-doped biochar, and LaFeO<sub>3</sub> in promoting clean hydrogen generation, improving energy recovery, and supporting waste-to-energy pathways aligned with sustainable and clean technology objectives.</p> Graphical Abstract <p></p>

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Clean Hydrogen Fuels from Artocarpus Heterophyllus Peel Waste: Supercritical Water Gasification Enhanced by a Multi-Metal Biochar–Perovskite Catalyst

  • 期刊论文

  • 发表日期：

    2026年5月4日

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  • Srinivasa Reddy Nallimilli,
  • Renu Sharma,
  • Vinayagam Mohanavel,
  • Rekha M. M,
  • Sathish Kannan,
  • Senthil Kumar Vishnu,
  • Ashwin Jacob,
  • Elumalai Vengadesan,
  • Praveen Barmavatu

摘要

Food-derived biomass residue, such as jackfruit (Artocarpus heterophyllus) peel, offers a sustainable and abundant feedstock for clean energy production due to its high volatile content and continuous generation. Also, the supercritical water gasification (SCWG) presents an environmentally sound and efficient pathway for converting high-moisture biomass into hydrogen-rich syngas while minimizing solid residues and tar. This study investigates the SCWG performance of jackfruit peel at 300, 450, and 600 °C under 25 MPa for 30 min and evaluates the effect of a multifunctional Mo–Cu@N-biochar–LaFeO3 catalyst at 5, 10, and 15 wt% loadings. Hydrogen yield increased from 3.45 mmol/g at 300 °C to 9.84 mmol/g at 600 °C, corresponding to enhanced steam reforming and water–gas shift reactions. At 600 °C, gasification efficiency reached 74%, tar formation decreased to 2.4 wt%, and heat recovery achieved 16.3 kJ/g. Catalyst loading significantly strengthened process performance: the 15 wt% formulation enhanced hydrogen yield to 13.5 mmol/g, improved gasification efficiency to 84.5%, reduced tar to 1.7 wt%, and increased heat recovery to 27.1 kJ/g. These results demonstrate the synergistic action of Mo, Cu, N-doped biochar, and LaFeO3 in promoting clean hydrogen generation, improving energy recovery, and supporting waste-to-energy pathways aligned with sustainable and clean technology objectives.

Graphical Abstract