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Synthesis of Renewable Diesel Range Alkanes by Hydrodeoxygenation of Palmitic Acid over 5% Ni/CNTs under Mild Conditions

Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
Beijing Key Laboratory of Fine Ceramics, Beijing 100084, China
Author to whom correspondence should be addressed.
Academic Editors: Rafael Luque, Pedro Maireles-Torres and Manuel López-Granados
Catalysts 2017, 7(3), 81;
Received: 13 February 2017 / Revised: 5 March 2017 / Accepted: 7 March 2017 / Published: 9 March 2017
(This article belongs to the Special Issue Catalytic Sustainable Processes in Biorefineries)
PDF [2827 KB, uploaded 9 March 2017]


Recently, the catalytic upgrading of bio-oil to renewable diesel has been attracting more and more attention. In the current paper, carbon nanotube (CNT)-supported nickel catalysts, namely, 5% Ni/CNTs, were prepared for liquid hydrocarbon production through the deoxygenation of palmitic acid, the model compound of bio-oil under a mild condition of 240 °C reaction temperature and 2 MPa H2 pressure. The experimental results revealed that the main reaction product was pentadecane (yield of 89.64%) at an optimum palmitic acid conversion of 97.25% via the hydrodecarbonylation (HDC) process. The deoxygenation mechanism for palmitic acid conversion was also investigated. This study provides technical parameters and a theoretical basis for further industrialization in the bio-oil upgrading process. View Full-Text
Keywords: palmitic acid; HDC; nickel-based catalyst; CNTs palmitic acid; HDC; nickel-based catalyst; CNTs

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Duan, Y.; Ding, R.; Shi, Y.; Fang, X.; Hu, H.; Yang, M.; Wu, Y. Synthesis of Renewable Diesel Range Alkanes by Hydrodeoxygenation of Palmitic Acid over 5% Ni/CNTs under Mild Conditions. Catalysts 2017, 7, 81.

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