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Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences: GIEC OpenIR

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Hydrodeoxygenation of lignin-derived phenolic compounds over Ru/ TiO2-CeO2 catalyst prepared by photochemical reduction method

Name: Hydrodeoxygenation of lignin-derived phenolic compounds over Ru/ TiO2-CeO2 catalyst prepared by photochemical reduction method
Keywords: Energy & Fuels, PYROLYSIS, BIO-OIL, PERFORMANCE, OXIDATION, 540, HDO, Phenolic compounds, BIOMASS, SPHERES

descriptionPublicationkeyboard_double_arrow_right Report 01 Dec 2021 China (People's Republic of) English Publisher:ELSEVIER SCI LTD

Authors: Shu, Riyang; Zhong, Zhuojie; You, Hongyun; Tian, Zhipeng; Chen, Ying; Ma, Longlong;

Hydrodeoxygenation of lignin-derived phenolic compounds over Ru/ TiO2-CeO2 catalyst prepared by photochemical reduction method

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Abstract

Hydrodeoxygenation (HDO) is an important pathway for lignin-oil upgradation to produce high quality liquid fuels, in which the high-active catalyst is the key point to achieve a high HDO efficiency. In this study, Ru/TiO2, Ru/CeO2 and Ru/TiO2-CeO2 catalysts were synthesized by a novel photochemical method with a high Ru dispersion and used for the HDO of lignin-derived phenolic compounds. Among these three catalysts, Ru/ TiO2-CeO2 showed a better performance than Ru/TiO2 and Ru/CeO2. And guaiacol was transformed into cyclohexane with conversion and product selectivity close to 100 % at 230 degrees C under 1 MPa hydrogen atmosphere. Ru/TiO2-CeO2 took the advantages of Ru/TiO2 and Ru/CeO2, namely high Ru metal dispersion, plenty of medium strength acid sites and abundance of oxygen vacancy, which promoted the guaiacol adsorption and the HDO catalytic activity. Moreover, Ru/TiO2-CeO2 catalyst showed an effective upgrading of other lignin-derived phenolic compounds. And the lignin-oil also enabled to be upgraded efficiently, producing a high content of hydrocarbons and alkylphenols.

Country

China (People's Republic of)

Related Organizations

Chinese Academy of Science (中国科学院)
China (People's Republic of)
Chinese Academy of Science (中国科学院)
China (People's Republic of)

Keywords

Energy & Fuels, PYROLYSIS, BIO-OIL, PERFORMANCE, OXIDATION, 540, HDO, Phenolic compounds, BIOMASS, SPHERES, ENERGY, Acid sites, Oxygen vacancy, DEPOLYMERIZATION, HYDROGENOLYSIS, CeO2

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