Applied Catalysis B: Environmental, volume 320, pages 122018
Highly active Pt/In2O3-ZrO2 catalyst for CO2 hydrogenation to methanol with enhanced CO tolerance: The effects of ZrO2
Publication type: Journal Article
Publication date: 2023-01-01
Journal:
Applied Catalysis B: Environmental
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 22.1
ISSN: 09263373, 18733883
Catalysis
Process Chemistry and Technology
General Environmental Science
Abstract
The supported Pt catalyst is normally not active for CO 2 hydrogenation to methanol at the presence of CO. Herein, ZrO 2 is added into Pt/In 2 O 3 for CO 2 hydrogenation to methanol with CO as a co-feed gas. High activity with enhanced CO tolerance is achieved on Pt/In 2 O 3 -ZrO 2 . For example, the space-time yield of methanol reaches 0.569 g methanol g cat -1 h -1 at 300 °C and 5 MPa under feed gas containing 4% CO of 21000 cm 3 ·h -1 ·g cat -1 . With the addition of ZrO 2 , a stronger electron transfer occurs between Pt and the In 2 O 3 -ZrO 2 solid solution support. This leads to weaker CO adsorption, which suppresses over-reduction of In 2 O 3 and enhances CO tolerance of the Pt catalyst. The oxygen vacancy of In 2 O 3 modified by ZrO 2 promotes CO 2 activation. The synergy between Zr-modified oxygen vacancy (In-O v -Zr) and Pt catalyst facilitates methanol synthesis from CO 2 hydrogenation via formate route. This is different from Pt/In 2 O 3 , which takes CO hydrogenation route. • ZrO 2 significantly changes the electronic structure of Pt/In 2 O 3 • The Pt/In 2 O 3 -ZrO 2 catalyst possesses high activity with enhanced CO tolerance • The addition of ZrO 2 totally changes the reaction route • The addition of ZrO 2 promotes the activation of hydrogen • The addition of ZrO 2 improves the stability of surface oxygen atoms of In 2 O 3
Top-30
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Citations by publishers
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2 publications, 3.77%
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1 publication, 1.89%
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Chinese Academy of Sciences
1 publication, 1.89%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Sun K. et al. Highly active Pt/In2O3-ZrO2 catalyst for CO2 hydrogenation to methanol with enhanced CO tolerance: The effects of ZrO2 // Applied Catalysis B: Environmental. 2023. Vol. 320. p. 122018.
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Sun K., Shen C., Zou R., Liu C. J. Highly active Pt/In2O3-ZrO2 catalyst for CO2 hydrogenation to methanol with enhanced CO tolerance: The effects of ZrO2 // Applied Catalysis B: Environmental. 2023. Vol. 320. p. 122018.
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TY - JOUR
DO - 10.1016/j.apcatb.2022.122018
UR - https://doi.org/10.1016/j.apcatb.2022.122018
TI - Highly active Pt/In2O3-ZrO2 catalyst for CO2 hydrogenation to methanol with enhanced CO tolerance: The effects of ZrO2
T2 - Applied Catalysis B: Environmental
AU - Sun, Kaihang
AU - Shen, Chenyang
AU - Zou, Rui
AU - Liu, Chang Jun
PY - 2023
DA - 2023/01/01 00:00:00
PB - Elsevier
SP - 122018
VL - 320
SN - 0926-3373
SN - 1873-3883
ER -
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@article{2023_Sun,
author = {Kaihang Sun and Chenyang Shen and Rui Zou and Chang Jun Liu},
title = {Highly active Pt/In2O3-ZrO2 catalyst for CO2 hydrogenation to methanol with enhanced CO tolerance: The effects of ZrO2},
journal = {Applied Catalysis B: Environmental},
year = {2023},
volume = {320},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.apcatb.2022.122018},
pages = {122018},
doi = {10.1016/j.apcatb.2022.122018}
}