Hydroconversion of used palm cooking oil into bio-jet fuel over phosphoric acid-modified nano-zirconia catalyst

The objectives of this study were to determine the optimum phosphoric acid concentration that produces a PO4–ZrO2 catalyst with the best acidity and examine its performance in the catalytic hydroconversion of used palm cooking oil. The catalysts were characterized by XRD, FTIR, NH3–TPD, SAA, and FES...

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Published in:Case studies in chemical and environmental engineering 2024-06, Vol.9, p.100653, Article 100653
Main Authors: Saviola, Aldino Javier, Wijaya, Karna, Syoufian, Akhmad, Saputri, Wahyu Dita, Saputra, Dita Adi, Aziz, Ilyas Taufik Abdul, Oh, Won-Chun
Format: Article
Language:English
Subjects:
Bio-jet fuel
Hydroconversion
Phosphoric acid
Used palm cooking oil
Zirconia
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Summary:The objectives of this study were to determine the optimum phosphoric acid concentration that produces a PO4–ZrO2 catalyst with the best acidity and examine its performance in the catalytic hydroconversion of used palm cooking oil. The catalysts were characterized by XRD, FTIR, NH3–TPD, SAA, and FESEM–EDX Mapping. The results showed that at 550 °C, the PZ 2 (the best acidity) catalyst produced liquid product and bio-jet fuel selectivity of 39.44% and 33.92%, respectively. On the other hand, a pure ZrO2 catalyst can only have liquid product and bio-jet fuel selectivity of 36.00% and 29.32%, respectively. [Display omitted] •Phosphated zirconia has different physicochemical properties than its matrix.•Zirconia treated with 2 M H3PO4 fabricates PO4–ZrO2 with the highest acidity value.•The activity and selectivity of the PO4–ZrO2 catalyst in bio-jet fuel production are better than pure zirconia.
ISSN:2666-0164
2666-0164
DOI:10.1016/j.cscee.2024.100653