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Title: Elucidation of reaction mechanism for m -cresol hydrodeoxygenation over Fe based catalysts: A kinetic study

Abstract

Fe based catalysts are promising for hydrodeoxygenation (HDO) of lignin derived phenolics due to their high selectivity for aromatics. In this work, the reaction mechanism of m-cresol HDO on Fe catalysts and the kinetic consequence with Pd addition were elucidated by examining the effect of H2, H2O and m-cresol pressures on toluene formation rate on Fe and PdFe catalysts. A direct CO bond cleavage mechanism is proposed for HDO catalysis on both Fe and PdFe catalysts, while Pd provides a facilitated reaction pathway at the PdFe interface and therefore promotes the catalysis on Fe without changing the high selectivity towards aromatics.

Authors:
; ORCiD logo
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1406699
Report Number(s):
PNNL-SA-129782
Journal ID: ISSN 1566-7367; KP1704020
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Catalysis Communications
Additional Journal Information:
Journal Volume: 100; Journal Issue: C; Journal ID: ISSN 1566-7367
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

Citation Formats

Hong, Yongchun, and Wang, Yong. Elucidation of reaction mechanism for m -cresol hydrodeoxygenation over Fe based catalysts: A kinetic study. United States: N. p., 2017. Web. doi:10.1016/j.catcom.2017.06.028.
Hong, Yongchun, & Wang, Yong. Elucidation of reaction mechanism for m -cresol hydrodeoxygenation over Fe based catalysts: A kinetic study. United States. doi:10.1016/j.catcom.2017.06.028.
Hong, Yongchun, and Wang, Yong. Fri . "Elucidation of reaction mechanism for m -cresol hydrodeoxygenation over Fe based catalysts: A kinetic study". United States. doi:10.1016/j.catcom.2017.06.028.
@article{osti_1406699,
title = {Elucidation of reaction mechanism for m -cresol hydrodeoxygenation over Fe based catalysts: A kinetic study},
author = {Hong, Yongchun and Wang, Yong},
abstractNote = {Fe based catalysts are promising for hydrodeoxygenation (HDO) of lignin derived phenolics due to their high selectivity for aromatics. In this work, the reaction mechanism of m-cresol HDO on Fe catalysts and the kinetic consequence with Pd addition were elucidated by examining the effect of H2, H2O and m-cresol pressures on toluene formation rate on Fe and PdFe catalysts. A direct CO bond cleavage mechanism is proposed for HDO catalysis on both Fe and PdFe catalysts, while Pd provides a facilitated reaction pathway at the PdFe interface and therefore promotes the catalysis on Fe without changing the high selectivity towards aromatics.},
doi = {10.1016/j.catcom.2017.06.028},
journal = {Catalysis Communications},
issn = {1566-7367},
number = C,
volume = 100,
place = {United States},
year = {2017},
month = {9}
}