TY - JOUR
T1 - Ordered mesoporous metal carbides with enhanced anisole hydrodeoxygenation selectivity
AU - Lu, Qi
AU - Chen, Cha Jung
AU - Luc, Wesley
AU - Chen, Jingguang G.
AU - Bhan, Aditya
AU - Jiao, Feng
N1 - Publisher Copyright:
© 2016 American Chemical Society.
PY - 2016/6/3
Y1 - 2016/6/3
N2 - Mesoporous metal carbides are of particular interest as catalysts for a variety of reactions because of their high surface areas, porous networks, nanosized walls, and unique electronic structures. Here, two ordered mesoporous metal carbides, Mo2C and W2C, were synthesized using a nanocasting approach coupled with a simultaneous decomposition/carburization process under a continuous methane flow. The as-synthesized mesoporous Mo2C and W2C have three dimensionally ordered porous structures, large surface areas (70-90 m2 g-1), and crystalline walls. In vapor-phase anisole hydrodeoxygenation (HDO) reactions, they exhibited turnover frequencies of approximately 9 and 2 × 10-4 mol molCO-1 s-1, respectively, at relatively low reaction temperatures (423-443 K) and ambient hydrogen pressures. Notably, the ordered mesoporous W2C catalyst showed a greater than 96% benzene selectivity in anisole HDO, the highest benzene selectivity reported to date.
AB - Mesoporous metal carbides are of particular interest as catalysts for a variety of reactions because of their high surface areas, porous networks, nanosized walls, and unique electronic structures. Here, two ordered mesoporous metal carbides, Mo2C and W2C, were synthesized using a nanocasting approach coupled with a simultaneous decomposition/carburization process under a continuous methane flow. The as-synthesized mesoporous Mo2C and W2C have three dimensionally ordered porous structures, large surface areas (70-90 m2 g-1), and crystalline walls. In vapor-phase anisole hydrodeoxygenation (HDO) reactions, they exhibited turnover frequencies of approximately 9 and 2 × 10-4 mol molCO-1 s-1, respectively, at relatively low reaction temperatures (423-443 K) and ambient hydrogen pressures. Notably, the ordered mesoporous W2C catalyst showed a greater than 96% benzene selectivity in anisole HDO, the highest benzene selectivity reported to date.
KW - biomass
KW - hydrodeoxygenation
KW - mesoporous
KW - metal carbide
KW - vapor-phase reaction
UR - https://www.scopus.com/pages/publications/84973654324
U2 - 10.1021/acscatal.6b00303
DO - 10.1021/acscatal.6b00303
M3 - Article
AN - SCOPUS:84973654324
SN - 2155-5435
VL - 6
SP - 3506
EP - 3514
JO - ACS Catalysis
JF - ACS Catalysis
IS - 6
ER -