Catalytic hydrodeoxygenation of 2-methoxy phenol and dibenzofuran over Pt/mesoporous zeolites

被引：89
|
作者：
Lee, Hyung Won [1 ]
Jun, Bo Ram [1 ]
Kim, Hannah [1 ]
Kim, Do Heui [2 ]
Jeon, Jong-Ki [3 ]
Park, Sung Hoon [4 ]
Ko, Chang Hyun [5 ]
Kim, Tae-Wan [6 ]
Park, Young-Kwon [1 ,7 ]
机构：
[1] Univ Seoul, Grad Sch Energy & Environm Syst Engn, Seoul 130743, South Korea
[2] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151741, South Korea
[3] Kongju Natl Univ, Dept Chem Engn, Cheonan 330717, South Korea
[4] Sunchon Natl Univ, Dept Environm Engn, Sunchon 540950, South Korea
[5] Chonnam Natl Univ, Sch Appl Chem Engn, Kwangju 500757, South Korea
[6] Korea Res Inst Chem Technol, Div Green Chem & Engn Res, Taejon 305600, South Korea
[7] Univ Seoul, Sch Environm Engn, Seoul 130743, South Korea
来源：
ENERGY | 2015年 / 81卷
基金：
新加坡国家研究基金会;
关键词：
Pyrolysis; Bio-oil; 2-Methoxy phenol; Dibenzofuran; Hydrodeoxygenation; Pt/mesoporous zeolites; BIO-OIL; FAST PYROLYSIS; PRODUCT YIELDS; BIOMASS; GUAIACOL; LIGNIN; CONVERSION; BIOFUEL;
D O I：
10.1016/j.energy.2014.11.058
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The hydrodeoxygenation of 2-methoxy phenol and dibenzofuran, which are representative model compounds of bio-oil, was performed using two different Pt/mesoporous zeolite catalysts, Pt/mesoporous Y and Pt/mesoporous MFI. The reforming of 2-methoxy phenol and dibenzofuran via catalytic hydrodeoxygenation was investigated using a batch reactor at 40 bar and 250 degrees C. The characteristics of the catalysts were analyzed by N-2 adsorption-desorption, X-ray diffraction, and NH3 temperature programmed desorption. Pt/mesoporous zeolite catalysts containing both strong acid sites and mesopores showed the higher conversion of 2-methoxy phenol than Pt/SiO2 and Pt/Si-MCM-48 with no acid sites, Pt/gamma-Al2O3, and a mixture of mesoporous Y and Pt/SiO2, indicating the importance of both Pt and strong acid sites for high catalytic activity. Among the two Pt/mesoporous zeolite catalysts tested, the conversion of 2-methoxy phenol to cyclohexane over Pt/mesoporous Y was much higher than that over the Pt/mesoporous MFI. This was attributed to the better textural properties, such as surface area, pore volume and micropore size, compared to those of Pt/mesoporous MFI. The catalytic conversions of dibenzofuran obtained using two Pt/mesoporous zeolite catalysts were similar and the main products were 1,1'-bicyclohexyl, cyclopentylmethyl-cyclohexane and cyclohexane. In addition, the reaction mechanisms of 2-methoxy phenol and dibenzofuran over Pt/mesoporous zeolite were suggested. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：33 / 40
页数：8
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