Structural evaluation and catalytic performance of nano-Au supported on nanocrystalline Ce0.9Fe0.1O2−δ solid solution for oxidation of carbon monoxide and benzylamine

RSC Advances ◽  
2014 ◽  
Vol 4 (82) ◽  
pp. 43460-43469 ◽  
Author(s):  
P. Sudarsanam ◽  
P. R. Selvakannan ◽  
Sarvesh K. Soni ◽  
Suresh K. Bhargava ◽  
Benjaram M. Reddy
Keyword(s):  
Solid Solution ◽  
Carbon Monoxide ◽  
Co Oxidation ◽  
Catalytic Performance ◽  
Structural Evaluation ◽  
Oxidation Of Carbon Monoxide ◽  
Excellent Catalytic Performance

Nano-Au supported on nanocrystalline Ce0.9Fe0.1O2−δ solid solution was found to show excellent catalytic performance for both CO oxidation and benzylamine oxidation.

Preparation and high catalytic performance of Au/3DOM Mn2O3 for the oxidation of carbon monoxide and toluene

2014 ◽  
Vol 279 ◽  
pp. 392-401 ◽  
Author(s):  
Shaohua Xie ◽  
Hongxing Dai ◽  
Jiguang Deng ◽  
Huanggen Yang ◽  
Wen Han ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Catalytic Performance ◽  
Oxidation Of Carbon Monoxide

The interplay between structural perfectness and CO oxidation catalysis on aluminum, phosphorous and silicon complexes of corroles

2019 ◽  
Vol 21 (14) ◽  
pp. 7661-7674 ◽  
Author(s):  
Afshan Mohajeri ◽  
Nasim Hassani
Keyword(s):  
Density Functional Theory ◽  
Carbon Monoxide ◽  
Co Oxidation ◽  
Catalytic Oxidation ◽  
Density Functional ◽  
Density Functional Theory Calculations ◽  
Oxidation Catalysis ◽  
Functional Theory ◽  
Oxidation Of Carbon Monoxide

Catalytic oxidation of carbon monoxide on perfect and defective structures of corrole complexes with aluminum, phosphorous and silicon have been investigated by performing density functional theory calculations.

Catalytically active ceria-supported cobalt–manganese oxide nanocatalysts for oxidation of carbon monoxide

2017 ◽  
Vol 19 (22) ◽  
pp. 14533-14542 ◽  
Author(s):  
Xu Wang ◽  
Lin-Ying Du ◽  
Meng Du ◽  
Chao Ma ◽  
Jie Zeng ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Manganese Oxide ◽  
Catalytic Performance ◽  
Two Dimensional ◽  
Oxide Nanostructures ◽  
Catalytically Active ◽  
Oxidation Of Carbon Monoxide

The crystallinity of the surface of the two-dimensional Co3O4 phase governs the catalytic performance of ceria-supported cobalt–manganese oxide nanostructures.

CeO2 supported low-loading Au as an enhanced catalyst for low temperature oxidation of carbon monoxide

CrystEngComm ◽  
2019 ◽  
Vol 21 (46) ◽  
pp. 7108-7113 ◽  
Author(s):  
Lingling Li ◽  
Yu Liu ◽  
Qishun Wang ◽  
Xuan Zhou ◽  
Jian Li ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Low Temperature ◽  
Co Oxidation ◽  
High Activity ◽  
Supported Catalysts ◽  
Coprecipitation Method ◽  
Low Temperature Oxidation ◽  
Temperature Oxidation ◽  
Oxidation Of Carbon Monoxide

A series of low loading and high activity Au/CeO2 supported catalysts were synthesized using a coprecipitation method. Au/CeO2 catalysts with a low Au content (0.2 wt%) showed extremely high activity for CO oxidation with 100% conversion of CO around 60 °C.

The Different Morphology of Co3O4 Catalysts and Application in the Abatement of Carbon Monoxide

2021 ◽  
Vol 21 (12) ◽  
pp. 6082-6087
Author(s):  
Chih-Wei Tang ◽  
Hsiang-Yu Shih ◽  
Ruei-Ci Wu ◽  
Chih-Chia Wang ◽  
Chen-Bin Wang
Keyword(s):  
Carbon Monoxide ◽  
Catalytic Activity ◽  
Co Oxidation ◽  
Nitrogen Adsorption ◽  
Catalytic Performance ◽  
Precipitation Method ◽  
X Ray Diffraction ◽  
X Ray ◽  
Temperature Programmed ◽  
Adsorption Desorption

The increase of harmful carbon monoxide (CO) caused by incomplete combustion can affect human health even lead to suffocation. Therefore reducing the CO discharged by vehicles or factories is urgent to improve the air quality. The spinel cobalt (II, III) oxide (Co3O4) is an active catalyst for CO abatement. In this study, we tried to fabricate dispersing Co3O4 via the dispersion-precipitation method with acetic acid, formic acid, and oxalic acid as the chelating dispersants. Then, the asprepared samples were calcined at 300 ºC for 4 h to obtain active catalysts, and assigned as Co(A), Co(F) and Co(O) respectively, the amount of the dispersants used are labeled as I (0.12 mole), II (0.03 mole) and III (0.01 mole). For comparison, another CoAP sample was prepared via alkaliinduced precipitation and calcined at 300 ºC. All samples were characterized by X-ray diffraction (XRD), temperature-programmed reduction (TPR), scanning electron microscope (SEM), and nitrogen adsorption/desorption system, and the catalytic activity focused on the CO oxidation. The influence of chelating dispersant on the performance of abatement of CO was pursued in this study. Apparently, the results showed that the chelating dispersant can influence the catalytic activity of CO abatement. An optimized ratio of dispersant can improve the performance, while excess dispersant lessens the surface area and catalytic performance. The series of Co(O) samples can easily donate the active oxygen since the labile Co–O bonding and indicated the preferential performance than both Co(A) and Co(F) samples. The nanorod Co(O)-II showed preferential for CO oxidation, T50 and T90 approached 96 and 127 ºC, respectively. Also, the favorable durability of Co(O)-II sample maintains 95% conversion still for 50 h at 130 ºC and does not emerge deactivation.

scholarly journals Copper doped ceria porous nanostructures towards a highly efficient bifunctional catalyst for carbon monoxide and nitric oxide elimination

2015 ◽  
Vol 6 (4) ◽  
pp. 2495-2500 ◽  
Author(s):  
Shanlong Li ◽  
Nengli Wang ◽  
Yonghai Yue ◽  
Guangsheng Wang ◽  
Zhao Zu ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Carbon Monoxide ◽  
Co Oxidation ◽  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Bifunctional Catalyst ◽  
Catalytic Performance ◽  
Doped Ceria ◽  
Reduction Of No ◽  
Porous Nanomaterials

Cu2+ doped CeO2 porous nanomaterials were synthesized by calcining CeCu–MOF nanocrystals. They exhibited a superior bifunctional catalytic performance for CO oxidation and selective catalytic reduction of NO.

Oxidation of carbon monoxide by oxygen over pure and platinum-doped LaMnO3 perovskites

1990 ◽  
Vol 55 (8) ◽  
pp. 1928-1934 ◽  
Author(s):  
Jaroslav Bartoň ◽  
Vladimír Pour
Keyword(s):  
Activation Energy ◽  
Carbon Monoxide ◽  
Catalytic Activity ◽  
Apparent Activation Energy ◽  
Co Oxidation ◽  
Reaction Kinetics ◽  
Empirical Equation ◽  
Catalytic Activities ◽  
Surface Areas ◽  
Oxidation Of Carbon Monoxide

The properties of pure and platinum-doped LaMnO3 perovskites, including their catalytic activities for the reaction of CO with oxygen, have been determined. Perovskite samples were prepared by decomposition of lanthanum and manganese citrates. The surface areas were 12.2 m2/g for pure LaMnO3 and 9.8 m2/g for the platinum-doped sample. The doping with a small amount of platinum markedly enhances the catalytic activity of LaMnO3 perovskite. The (CO + O2) reaction starts at 200 °C over LaMnO3 and at temperatures below 100 °C over a sample doped with Pt. The reaction kinetics for both the pure and platinum-doped LaMnO3 can be described by empirical equation (4). When Pt-doped perovskite is used, an increase in the apparent activation energy occurs at about 150 °C. This fact is attributed to a change in the mechanism of CO oxidation.

Recent advances in synergistic effect promoted catalysts for preferential oxidation of carbon monoxide

2020 ◽  
Vol 10 (4) ◽  
pp. 919-934 ◽  
Author(s):  
Peng Jing ◽  
Xia Gong ◽  
Baocang Liu ◽  
Jun Zhang
Keyword(s):  
Carbon Monoxide ◽  
Synergistic Effect ◽  
Synergistic Effects ◽  
Catalytic Performance ◽  
Preferential Oxidation ◽  
Recent Advances ◽  
Oxidation Of Carbon Monoxide

We reviewed recent advances in catalysts for PROX with emphasis on synergistic effects that contribute to enhanced catalytic performance.

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