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

Hyung Won Lee, Bo Ram Jun, Hannah Kim, Do Heui Kim, Jong-Ki Jeon, Sung Hoon Park, Chang Hyun Ko, Tae-Wan Kim and Young-Kwon Park

Energy, 2015, vol. 81, issue C, 33-40

Abstract: 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 °C. The characteristics of the catalysts were analyzed by N2 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/γ-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.

Keywords: Pyrolysis; Bio-oil; 2-Methoxy phenol; Dibenzofuran; Hydrodeoxygenation; Pt/mesoporous zeolites (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:81:y:2015:i:c:p:33-40

DOI: 10.1016/j.energy.2014.11.058

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