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<p>The increasing demand for sustainable aviation fuel requires efficient catalytic processes to convert renewable feedstocks into bio-jet fuel. However, developing cost-effective catalysts with high activity and stability for hydrotreatment remains a challenge. This study aims to synthesize a highly active Ni/ZSM-5 catalyst using ultrasonic-assisted impregnation for the conversion of processed palm oil into bio-jet fuel under atmospheric conditions. The catalyst was characterized using XRD, FT-IR, BET surface area analysis, NH<sub>3</sub>-TPD, XPS, and SEM–EDX to evaluate its structural and physicochemical properties. Catalytic performance was tested in different catalyst bed configurations. Results confirmed well-dispersed Ni species on ZSM-5, with a surface area of 148.1 m<sup>2</sup>/g, crystallinity of 73.55%, and total acidity of 2.331&#xa0;mmol/g. The double-bed system produced 51.71% bio-jet fuel with 86.21% selectivity and an ultra-low freezing point of −&#xa0;59.41&#xa0;°C. The catalyst also remained stable after three reuse cycles. Ultrasonic-assisted synthesis offers a simple, scalable strategy for designing efficient Ni-based catalysts for sustainable aviation fuel production.</p> Graphical abstract <p></p>

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Ultrasonic-assisted synthesis of Ni/ZSM-5 catalyst for efficient bio-jet fuel production via atmospheric hydrotreatment of processed palm oil

  • 期刊论文

  • 发表日期：

    2026年3月12日

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  • Sandi Aditya Restu Kameswara,
  • Wega Trisunaryanti,
  • Triyono,
  • Aulia Meylida Tazkia,
  • Adyatma Bhagaskara,
  • Pangestu Arum Pratiwi,
  • Kharistya Rozana

摘要

The increasing demand for sustainable aviation fuel requires efficient catalytic processes to convert renewable feedstocks into bio-jet fuel. However, developing cost-effective catalysts with high activity and stability for hydrotreatment remains a challenge. This study aims to synthesize a highly active Ni/ZSM-5 catalyst using ultrasonic-assisted impregnation for the conversion of processed palm oil into bio-jet fuel under atmospheric conditions. The catalyst was characterized using XRD, FT-IR, BET surface area analysis, NH3-TPD, XPS, and SEM–EDX to evaluate its structural and physicochemical properties. Catalytic performance was tested in different catalyst bed configurations. Results confirmed well-dispersed Ni species on ZSM-5, with a surface area of 148.1 m2/g, crystallinity of 73.55%, and total acidity of 2.331 mmol/g. The double-bed system produced 51.71% bio-jet fuel with 86.21% selectivity and an ultra-low freezing point of − 59.41 °C. The catalyst also remained stable after three reuse cycles. Ultrasonic-assisted synthesis offers a simple, scalable strategy for designing efficient Ni-based catalysts for sustainable aviation fuel production.

Graphical abstract