Vapor-phase hydrodeoxygenation of guaiacol on Al-MCM-41 supported Ni and Co catalysts

被引：109

作者：

Tran, Nga T. T. ^{[1
,4
]}

Uemura, Yoshimitsu ^{[1
]}

Chowdhury, Sujan ^{[2
]}

Ramli, Anita ^{[3
]}

机构：

[1] Univ Teknol PETRONAS, Ctr Biofuel & Biochem Res, Bandar Seri Iskandar 32610, Perak Darul Rid, Malaysia

[2] Univ Teknol PETRONAS, Dept Chem Engn, Bandar Seri Iskandar 32610, Perak Darul Rid, Malaysia

[3] Univ Teknol PETRONAS, Dept Fundamental & Appl Sci, Bandar Seri Iskandar 32610, Perak Darul Rid, Malaysia

[4] HCMC Univ Technol, Fac Chem Engn, Ho Chi Minh, Vietnam

来源：

APPLIED CATALYSIS A-GENERAL | 2016年 / 512卷

关键词：

Hydrodeoxygenation; Cobalt; Nickel; Al-MCM-41; Guaiacol; BIO-OIL; FAST-PYROLYSIS; M-CRESOL; MODEL-COMPOUND; METAL; PD; HYDROGENATION; FE; HYDROTREATMENT; CONVERSION;

D O I：

10.1016/j.apcata.2015.12.021

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Vapor-phase hydrodeoxygenation (HDO) of guaiacol, a typical lignin-derived phenolic compound, was studied on Al-MCM-41 supported Ni and Co catalysts at 400 degrees C and atmospheric pressure. Ni was found as an active metal for ring opening activity while Co favored the deoxygenation activity. Besides benzene and phenol were observed as the major deoxygenation products, the existence of toluene, cresol and other methylated C7-12 products was the result of methyl transfer reaction over the acidic function of support. Co/Al-MCM-41 catalyzed not only HDO to remove oxygen but also transalkylation to prevent the carbon loss via methanization. In addition, coke deposit mainly gathered on the surrounding area of cobalt particles, leading to the faster deactivation in HDO activity than transalykation. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：93 / 100

页数：8

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