Integration of biomass catalytic fast hydropyrolysis and co-processing of straight run gas oil via hydrotreating

Keran Wang, Cong Wang, Wanchen Zhu, Feiting Miao, Dingran Wang, Xin Liu, Zhongyang Luo, Evgeny Naranov and Kaige Wang

Energy, 2025, vol. 335, issue C

Abstract: Co-processing bio-oil with petroleum fractions in existing petrochemical refining facilities is a promising approach for the low-carbon transition of the petrochemical industry. However, the high oxygen content, viscosity, and acidity of crude bio-oil limit its compatibility with conventional refining infrastructure. In this study, we reported a strategy for co-processing high-quality bio-oil, obtained via catalytic fast hydropyrolysis (CFHP) with straight-run gas oil (SRGO). A cost-effective metal oxide catalyst, NiMo/TiO2, was selected as an optimal catalyst achieving an optimal balance between deoxygenation efficiency and carbon yield. CFHP was also conducted in a continuous-flow reactor, yielding 40.08 C% yield of C4+ products while maintaining a low oxygen content of 7.34 wt%. The resulting bio-oil with improved quality can be blended with SRGO at a high ratio of 15 vol% without compromising catalyst performance during co-processing.

Keywords: Biomass; Catalytic fast hydropyrolysis; Bio-oil; Co-processing (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:335:y:2025:i:c:s0360544225035145

DOI: 10.1016/j.energy.2025.137872

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