Hydrodeoxygenation of m-Cresol over Ru based catalysts: Influence of catalyst support on m-Cresol conversion and methylcyclohexane selectivity

被引：48
作者：
Kumar, Adarsh [1 ,2 ]
Kumar, Avnish [1 ,2 ]
Biswas, Bijoy [1 ,2 ]
Kumar, Jitendra [2 ]
Yenumala, Sudhakara Reddy [1 ,2 ]
Bhaskar, Thallada [1 ,2 ]
机构：
[1] CSIR Indian Inst Petr IIP, Acad Sci & Innovat Res AcSIR, Dehra Dun 248005, Uttarakhand, India
[2] CSIR Indian Inst Petr IIP, Mat Resource Efficiency Div MRED, BCA, Dehra Dun 248005, Uttarakhand, India
来源：
RENEWABLE ENERGY | 2020年 / 151卷
关键词：
Bio-oil; Bio-oil upgrading; Hydrodeoxygenation; m-Cresol; Methylcyclohexane; VAPOR-PHASE HYDRODEOXYGENATION; MODEL COMPOUNDS; NI; ZEOLITE; LIGNIN; PHENOL; PD; HYDROGENATION; CYCLOHEXANE; HYDROCARBON;
D O I：
10.1016/j.renene.2019.11.076
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The hydrodeoxygenation (HDO) of m-Cresol (a representative of lignin bio-oil) has enormous potential for the production of valuable compounds. The products obtained from HDO of m-Cresol (m-Cr) are blendable into conventional fuels and essential for chemical industries such as plastic, fiber, rubber, resin, film, and coating industry. Ruthenium loaded acidic supports (ZSM-5, beta-zeolite, y-zeolite, mordenite, COK12, ZrO2, TiO2) were used for the selective hydrodeoxygenation of m-Cresol into methylcyclohexane (MCXane). The effects of acid sites, as well as the pore size of the different supports on the hydrodeoxygenation activity and selectivity towards methylcyclohexane were addressed. The methylcyclohexane yield increased with increasing number of acid sites up to optimum acidity (532 mu mol/gm) along with pore size (5.9 A). The experiments were carried out at 225-325 degrees C and 1-40 bar hydrogen pressure in a fixed bed reactor and observed that reaction temperature, and hydrogen pressure promoted the hydrodeoxygenation. The Ru/ZSM-5 is a stable (240 h) catalyst and displayed excellent behavior in both hydrodeoxygenation activity (100%) and methylcyclohexane selectivity (100%) for m-Cresol. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：687 / 697
页数：11
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