CO Oxidation on Inverse CeOx/Cu(111) Catalysts: High Catalytic Activity and Ceria-Promoted Dissociation of O2

2011 ◽  
Vol 133 (10) ◽  
pp. 3444-3451 ◽  
Author(s):  
Fan Yang ◽  
Jesús Graciani ◽  
Jaime Evans ◽  
Ping Liu ◽  
Jan Hrbek ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
High Catalytic Activity

scholarly journals CO Oxidation Efficiency and Hysteresis Behavior over Mesoporous Pd/SiO2 Catalyst

Catalysts ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 131 ◽  
Author(s):  
Rola Mohammad Al Soubaihi ◽  
Khaled Mohammad Saoud ◽  
Myo Tay Zar Myint ◽  
Mats A. Göthelid ◽  
Joydeep Dutta
Keyword(s):  
Carbon Monoxide ◽  
Catalytic Activity ◽  
Co Oxidation ◽  
Active Sites ◽  
Bond Activation ◽  
Dissociative Adsorption ◽  
High Catalytic Activity ◽  
Good Catalytic Activity ◽  
Pretreatment Conditions ◽  
Oxidation Efficiency

Carbon monoxide (CO) oxidation is considered an important reaction in heterogeneous industrial catalysis and has been extensively studied. Pd supported on SiO2 aerogel catalysts exhibit good catalytic activity toward this reaction owing to their CO bond activation capability and thermal stability. Pd/SiO2 catalysts were investigated using carbon monoxide (CO) oxidation as a model reaction. The catalyst becomes active, and the conversion increases after the temperature reaches the ignition temperature (Tig). A normal hysteresis in carbon monoxide (CO) oxidation has been observed, where the catalysts continue to exhibit high catalytic activity (CO conversion remains at 100%) during the extinction even at temperatures lower than Tig. The catalyst was characterized using BET, TEM, XPS, TGA-DSC, and FTIR. In this work, the influence of pretreatment conditions and stability of the active sites on the catalytic activity and hysteresis is presented. The CO oxidation on the Pd/SiO2 catalyst has been attributed to the dissociative adsorption of molecular oxygen and the activation of the C-O bond, followed by diffusion of adsorbates at Tig to form CO2. Whereas, the hysteresis has been explained by the enhanced stability of the active site caused by thermal effects, pretreatment conditions, Pd-SiO2 support interaction, and PdO formation and decomposition.

Synthesis and characterization of new isostructural series LnFe0.5Sb1.5O6 (Ln = La-Sm) exhibiting high catalytic activity in CO oxidation

2019 ◽  
Vol 777 ◽  
pp. 655-662 ◽  
Author(s):  
A.V. Egorysheva ◽  
O.G. Ellert ◽  
E. Yu Liberman ◽  
D.I. Kirdyankin ◽  
S.V. Golodukhina ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
Synthesis And Characterization ◽  
High Catalytic Activity

High catalytic activity for CO oxidation on single Fe atom stabilized in graphene vacancies

RSC Advances ◽  
2016 ◽  
Vol 6 (96) ◽  
pp. 93985-93996 ◽  
Author(s):  
Yanan Tang ◽  
Jincheng Zhou ◽  
Zigang Shen ◽  
Weiguang Chen ◽  
Chenggang Li ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
First Principles ◽  
High Catalytic Activity ◽  
First Principles Method

The geometric, electronic and catalytic characters of Fe atom embedded graphene (including monovacancy and divacancy) are investigated using the first-principles method, which gives a reference on designing graphene-based catalysts for CO oxidation.

High Catalytic Activity for CO Oxidation of Gold Nanoparticles Confined in Acidic Support Al-SBA-15 at Low Temperatures

2005 ◽  
Vol 109 (38) ◽  
pp. 18042-18047 ◽  
Author(s):  
Chia-Wen Chiang ◽  
Aiqin Wang ◽  
Ben-Zu Wan ◽  
Chung-Yuan Mou
Keyword(s):  
Gold Nanoparticles ◽  
Catalytic Activity ◽  
Co Oxidation ◽  
Low Temperatures ◽  
High Catalytic Activity ◽  
Acidic Support

Preparation of TiO2-supported twinned gold nanoparticles by CO treatment and their CO oxidation activity

2015 ◽  
Vol 51 (87) ◽  
pp. 15823-15826 ◽  
Author(s):  
Junya Ohyama ◽  
Taiki Koketsu ◽  
Yuta Yamamoto ◽  
Shigeo Arai ◽  
Atsushi Satsuma
Keyword(s):  
Gold Nanoparticles ◽  
Catalytic Activity ◽  
Co Oxidation ◽  
Au Nanoparticles ◽  
High Catalytic Activity ◽  
Oxidation Activity

Au/TiO2 prepared by CO treatment showed high catalytic activity for CO oxidation due to twinned structure of Au nanoparticles.

A highly moisture-resistant Fe-doped mesoporous Co3O4 catalyst for efficient low-temperature CO oxidation

2015 ◽  
Vol 39 (3) ◽  
pp. 1742-1748 ◽  
Author(s):  
Gengnan Li ◽  
Liang Li ◽  
Yongsheng Li ◽  
Jianlin Shi
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
Co Oxidation ◽  
High Catalytic Activity ◽  
Low Temperature Co Oxidation ◽  
Moisture Conditions ◽  
Moisture Resistant

Compared with pure Co3O4 spinel, the Fe-doped catalyst demonstrates high catalytic activity and stability in low temperature CO oxidation under moisture conditions.

Origin of extraordinarily high catalytic activity of Co3O4 and its morphological chemistry for CO oxidation at low temperature

2012 ◽  
Vol 296 ◽  
pp. 110-119 ◽  
Author(s):  
Hai-Feng Wang ◽  
Richard Kavanagh ◽  
Yang-Long Guo ◽  
Yun Guo ◽  
Guanzhong Lu ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
Co Oxidation ◽  
High Catalytic Activity

Hollow and Core–Shell Nanostructure Co3O4 Derived from a Metal Formate Framework toward High Catalytic Activity of CO Oxidation

2018 ◽  
Vol 1 (2) ◽  
pp. 800-806 ◽  
Author(s):  
Chi Zhang ◽  
Li Zhang ◽  
Guancheng Xu ◽  
Xin Ma ◽  
Jinling Xu ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
Core Shell ◽  
High Catalytic Activity ◽  
Metal Formate

CeO2 nanoparticles modified by CuO nanoparticles for low-temperature CO oxidation with high catalytic activity

2020 ◽  
Vol 147 ◽  
pp. 109651 ◽  
Author(s):  
Xu Zhang ◽  
Linfeng Su ◽  
Yulin Kong ◽  
Dian Ma ◽  
Yan Ran ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
Co Oxidation ◽  
Ceo2 Nanoparticles ◽  
Cuo Nanoparticles ◽  
High Catalytic Activity ◽  
Low Temperature Co Oxidation

Nanogold supported on manganese oxide doped alumina microspheres as a highly active and selective catalyst for CO oxidation in a H2-rich stream

2015 ◽  
Vol 51 (100) ◽  
pp. 17728-17731 ◽  
Author(s):  
Yu-Xin Miao ◽  
Wen-Cui Li ◽  
Qiang Sun ◽  
Lei Shi ◽  
Lei He ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
Manganese Oxide ◽  
High Catalytic Activity ◽  
Selective Catalyst ◽  
Support Interaction ◽  
Highly Active

The exceptionally high catalytic activity for CO-PROX reaction is due to the Au–support interaction and the unique reducibility of the support.

Sign in / Sign up

Export Citation Format

Share Document