Synthesis of cobalt-dispersed sulfated zirconia nanocatalyst for the hydroconversion of used palm cooking oil into bio-jet fuel

Q1 Environmental Science Case Studies in Chemical and Environmental Engineering Pub Date : 2025-06-01 Epub Date: 2024-12-10 DOI:10.1016/j.cscee.2024.101052

Riska Astin Fitria , Niko Prasetyo , Aldino Javier Saviola , Wega Trisunaryanti , Akhmad Syoufian , Amalia Kurnia Amin , Won-Chun Oh , Karna Wijaya

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Abstract

In the past decade, rising demand for air travel has resulted in increased carbon emissions, stimulating research into bio-jet fuel as an eco-friendly aviation alternative. This study examines the synthesis and application of cobalt-dispersed sulfated zirconia nanocatalysts for the hydroconversion of used palm cooking oil into bio-jet fuel under atmospheric conditions. The catalysts were synthesized using the wet impregnation method with varying cobalt loadings (1 %, 3 %, and 5 %) and characterized by FTIR, XRD, NH₃-TPD, SAA, XRF, SEM-EDX Mapping, TEM-SAED, and XPS analyses. Hydroconversion with the Co-3/SZ catalyst yielded a 63.03 wt% liquid product, with 92.28 % bio-jet fuel selectivity and a yield of 58.17 wt%. Reusability tests for six consecutive runs further indicated that this catalyst maintained a bio-jet fuel selectivity of 56.94 % and a yield of 28.43 %, underscoring its potential as a promising candidate for bio-jet fuel production.

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废棕榈油加氢转化为生物喷气燃料用钴分散硫酸氧化锆纳米催化剂的合成

在过去的十年里，航空旅行需求的增长导致了碳排放的增加，刺激了对生物喷气燃料作为环保航空替代品的研究。本研究研究了钴分散硫酸氧化锆纳米催化剂的合成及其在常压条件下将废棕榈油加氢转化为生物喷气燃料的应用。采用湿浸渍法合成了钴含量为1%、3%和5%的催化剂，并通过FTIR、XRD、NH3-TPD、SAA、XRF、SEM-EDX Mapping、TEM-SAED和XPS分析对催化剂进行了表征。在Co-3/SZ催化剂的加氢转化下，液体产物的转化率为63.03 wt%，生物喷气燃料的选择性为92.28%，收率为58.17 wt%。连续6次的重复使用试验进一步表明，该催化剂保持了56.94%的生物喷气燃料选择性和28.43%的产率，突显了其作为生物喷气燃料生产的潜在候选物的潜力。

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