Reaction Kinetics, Mechanisms and Catalysis
Volume/Issue:
Volume 102: Issue 1
Preparation and hydrodeoxygenation properties of Co–Mo–O–B amorphous catalyst
Authors:
Weiyan Wang School of Chemical Engineering, Xiangtan University, Xiangtan City, Hunan, 411105, People's Republic of China

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Yunquan Yang School of Chemical Engineering, Xiangtan University, Xiangtan City, Hunan, 411105, People's Republic of China

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Hean Luo School of Chemical Engineering, Xiangtan University, Xiangtan City, Hunan, 411105, People's Republic of China

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Tao Hu School of Chemical Engineering, Xiangtan University, Xiangtan City, Hunan, 411105, People's Republic of China

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Wenying Liu School of Chemical Engineering, Xiangtan University, Xiangtan City, Hunan, 411105, People's Republic of China

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Pages:
207–217
Online Publication Date:
27 Oct 2010
Publication Date:
01 Feb 2011
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s11144-010-0253-4
Keywords:
Amorphous catalyst; Co–Mo–O–B; Hydrodeoxygenation; Phenol; Aromatics content; Bio-oil
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Abstract

Co–Mo–O–B amorphous catalysts were prepared by the chemical reduction method and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), inductively coupled plasma (ICP) and X-ray photoelectron spectroscopy (XPS). The hydrodeoxygenation (HDO) properties of these catalysts were tested using phenol as the model compound. The catalyst preparation time had no influence on their amorphous structure but a great effect on the catalyst surface composition and the HDO activity. With the prolongation of preparation time, the catalyst particle size and the relative content of Co on the catalyst surface were increased gradually. The conversion of phenol could be as high as 100% with a selectivity of 99.6% for deoxygenation. The aromatics content in the products could be decreased to below 2% and the total H/C atomic ratio could be improved to 1.98. The pseudo first-order reaction rate constant of the phenol transformation on Co–Mo–O–B amorphous catalyst was high to 0.67 mL/(g catalyst s). The main reaction route in the HDO of phenol on Co–Mo–O–B amorphous catalyst proceeded with hydrogenation–dehydration rather than direct hydrogenolysis.

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Cover Reaction Kinetics, Mechanisms and Catalysis
Reaction Kinetics, Mechanisms and Catalysis
Print ISSN:
1878-5190
Online ISSN:
1878-5204

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Reaction Kinetics, Mechanisms and Catalysis
Language English
Size B5
Year of
Foundation		 1974
Volumes
per Year		 1
Issues
per Year		 6
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1878-5190 (Print)
ISSN 1878-5204 (Online)

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