Selective Hydrogenation of 5‑Hydroxymethylfurfural
via Zeolite Encapsulation to Avoid Further Hydrodehydroxylation
Posted on 2020-06-17 - 19:08
Pt nanoparticles encapsulated into
zeolite Y (denoted as Pt@Y)
exhibited approaching 100% catalytic selectivity to 2,5-bis-(hydroxymethyl)-furan
(BHMF) at full conversion of 5-hydroxymethylfurfural (HMF) in the
presence of H2, coupled with good reusability. Zeolite
Y constrained HMF to be adsorbed on encapsulated Pt nanoparticle surface
via either the end of aldehyde groups or hydroxyl groups in thermodynamically
unfavorable end-on mode to enlarge the gap in the activation energies
between hydrogenation of aldehyde groups and hydrodehydroxylation
of hydroxyl groups to favor selectivity enhancement via avoidance
of further hydrodehydroxylation at moderate conditions, which provide
a general method to avoid thermodynamics-regulated flat-lying conformation
for simultaneous activation on the furan ring, aldehyde, and hydroxyl
groups.
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Chen, Qiang; Li, Tianhao; Zhou, Yiming; Bi, Yunfei; Guo, Shuai; Liu, Xuan; et al. (2020). Selective Hydrogenation of 5‑Hydroxymethylfurfural
via Zeolite Encapsulation to Avoid Further Hydrodehydroxylation. ACS Publications. Collection. https://doi.org/10.1021/acs.iecr.0c01320
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AUTHORS (11)
QC
Qiang Chen
TL
Tianhao Li
YZ
Yiming Zhou
YB
Yunfei Bi
SG
Shuai Guo
XL
Xuan Liu
HK
Haozhe Kang
MW
Mengyue Wang
LL
Lei Liu
EX
Enhui Xing
DY
Dongyuan Yang