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Title: Engineering the composition of bimetallic nanocrystals to improve hydrodeoxygenation selectivity for 2-acetylfuran

Abstract

Hydrodeoxygenation (HDO) of 2-acetylfuran (2-AF) was examined at 473 K and 33 bar over carbon-supported, bimetallic catalysts. Monodispersed, Pt-based (PtNi, PtCo, and PtCu) and Ni-based (NiCu) nanocrystals (NCs) with well-defined sizes and compositions were prepared via colloidal synthesis. Steady-state, flow-reactor measurements demonstrate that selectivities for the HDO reaction to 2-ethylfuran (2-EF) are strongly dependent on the alloy compositions. The HDO of 2-AF is shown to be sequential, where 2-EF can react further to form over-hydrogenated products. The NiCu 3/C nanocatalyst was superior to the other bimetallics; with the optimal residence time, it was possible to achieve a selectivity of 75% 2-EF with 80% conversion of 2-AF, with good stability for up to at least 5 hours time-on-stream. Deactivation due to coking became an issue when the NCs were deposited on oxide supports with weak acidity (SiO 2 and γ-Al 2O 3). Furthermore, this work provides insights into which bimetallic catalytic systems might be useful for HDO of 2-AF reaction.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1]
  1. Univ. of Pennsylvania, Philadelphia, PA (United States)
Publication Date:
Research Org.:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
OSTI Identifier:
1661859
Alternate Identifier(s):
OSTI ID: 1656748
Grant/Contract Number:  
SC0001004; 17-25969; SC0014664
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Catalysis. A, General
Additional Journal Information:
Journal Volume: 606; Journal ID: ISSN 0926-860X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
Hydrodeoxygenation; Alkylfuran; Bimetallic nanocrystal catalysts; 2-acetylfuran; 2-ethylfuran; alkylfuran; bimetallic nanocrystal catalysts; 2-acetylfuran2-ethylfuran

Citation Formats

Lee, Jennifer D., Wang, Cong, Jin, Tianfan, Gorte, Raymond J., and Murray, Christopher B. Engineering the composition of bimetallic nanocrystals to improve hydrodeoxygenation selectivity for 2-acetylfuran. United States: N. p., 2020. Web. doi:10.1016/j.apcata.2020.117808.
Lee, Jennifer D., Wang, Cong, Jin, Tianfan, Gorte, Raymond J., & Murray, Christopher B. Engineering the composition of bimetallic nanocrystals to improve hydrodeoxygenation selectivity for 2-acetylfuran. United States. doi:10.1016/j.apcata.2020.117808.
Lee, Jennifer D., Wang, Cong, Jin, Tianfan, Gorte, Raymond J., and Murray, Christopher B. Fri . "Engineering the composition of bimetallic nanocrystals to improve hydrodeoxygenation selectivity for 2-acetylfuran". United States. doi:10.1016/j.apcata.2020.117808.
@article{osti_1661859,
title = {Engineering the composition of bimetallic nanocrystals to improve hydrodeoxygenation selectivity for 2-acetylfuran},
author = {Lee, Jennifer D. and Wang, Cong and Jin, Tianfan and Gorte, Raymond J. and Murray, Christopher B.},
abstractNote = {Hydrodeoxygenation (HDO) of 2-acetylfuran (2-AF) was examined at 473 K and 33 bar over carbon-supported, bimetallic catalysts. Monodispersed, Pt-based (PtNi, PtCo, and PtCu) and Ni-based (NiCu) nanocrystals (NCs) with well-defined sizes and compositions were prepared via colloidal synthesis. Steady-state, flow-reactor measurements demonstrate that selectivities for the HDO reaction to 2-ethylfuran (2-EF) are strongly dependent on the alloy compositions. The HDO of 2-AF is shown to be sequential, where 2-EF can react further to form over-hydrogenated products. The NiCu3/C nanocatalyst was superior to the other bimetallics; with the optimal residence time, it was possible to achieve a selectivity of 75% 2-EF with 80% conversion of 2-AF, with good stability for up to at least 5 hours time-on-stream. Deactivation due to coking became an issue when the NCs were deposited on oxide supports with weak acidity (SiO2 and γ-Al2O3). Furthermore, this work provides insights into which bimetallic catalytic systems might be useful for HDO of 2-AF reaction.},
doi = {10.1016/j.apcata.2020.117808},
journal = {Applied Catalysis. A, General},
issn = {0926-860X},
number = ,
volume = 606,
place = {United States},
year = {2020},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on August 28, 2021
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