期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 304, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2021.120911
关键词
Bifunctional catalysis; Biofuels; Pyrolysis oil; Hydrothermal liquefaction; Middle distillates
资金
- European Union's Horizon 2020 Research and Innovation Programme (4REFINERY) [727531]
- H2020 Societal Challenges Programme [727531] Funding Source: H2020 Societal Challenges Programme
Hydrocracking of heavy feeds into middle distillate products can be achieved through co-processing bio-feeds with vacuum gas oil. This study investigates the impact of bio-liquids on conversion and selectivity of middle distillate products.
Hydrocracking converts heavy feeds mainly into middle distillate products. Co-processing these bio-feeds with vacuum gas oil is a possible production route for biofuels. Stabilized bio-liquid from fast pyrolysis and hydro thermal liquefaction bio-crude were mixed with vacuum gas oil (10-20 wt%) and hydrocracked over a bifunctional catalyst. The impact of the bio-liquids on conversion and middle distillate selectivity were investigated. The liquid products were analyzed by several methods such as 2-dimensional gas chromatography coupled with simulated distillation to obtain quantitative distribution of monoaromatics, polyaromatics and saturated hydrocarbons. A quantification study of different types of carbons was performed by C-13 NMR and showed the evolution of products. The nature of bio-liquid impacts slightly on the conversion and gas production but not on the selectivity of middle distillates and naphtha. This is explained by a decoupled hydrodeoxygenation and hydrocracking process. This also resulted in a high hydrodesulfurization conversion.
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