Journal
FUEL PROCESSING TECHNOLOGY
Volume 232, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.fuproc.2022.107263
Keywords
Aviation fuel; Hydrodeoxygenation; Bimetallic catalyst; Pd-Ru/HAP
Funding
- National Key R&D Program of China [2018YFB1501502]
- Anhui Science Fund for Distinguished Young Scholars [2108085J09]
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A bimetallic Pd-Ru/hydroxyapatite catalyst was developed for the conversion of lignocellulose-derived C15 oxygenate into aviation fuel range hydrocarbons. The catalyst exhibited high hydrodeoxygenation activity under optimal reaction conditions, leading to the production of high carbon alkanes.
Bimetallic Pd-Ru/hydroxyapatite (HAP) catalysts were developed together with Zirconium phosphate (ZrP) to prepare aviation fuel range hydrocarbons by one-pot HDO from lignocellulose-derived C15 oxygenate. The effects of the catalyst composition, reaction time, initial H-2 pressure and reaction temperature on the HDO were explored. 84.24% C8-C15 alkanes could be obtained by Pd-0.6-Ru-1.8/HAP at 150 degrees C, 4 MPa H-2. The HDO pathway and the stability of the catalyst were also investigated. To explore the synergy of bimetals and the efficiency of the catalysts, a series of characterizations were conducted. The results verified that the bimetallic catalyst had a better adsorption capacity for the substrate, and the ruthenium external electron density raised due to the introduction of palladium, thereby enhancing the hydrodeoxygenation activity of the catalyst.
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