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   Articles with "preferential oxidation" as a keyword



The Solid-State-Grinding Synthesis of Maganese-Modified Cobalt Oxides and Application in the Low-Temperature CO Preferential Oxidation in H2-Rich Gases

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recommendations! Published in 2017 at "Catalysis Surveys from Asia"

DOI: 10.1007/s10563-017-9235-0

Abstract: A series of MnOx modified cobalt oxides with different atomic molar ratios of Mn/(Mn + Co) were prepared by a soft reactive grinding route and investigated for CO preferential oxidation in H2. It was found that as-prepared… read more here.

Keywords: low temperature; oxidation; modified cobalt; cobalt oxides ... See more keywords
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Part I: Theoretical predictions of preferential oxidation in refractory high entropy materials

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recommendations! Published in 2020 at "Acta Materialia"

DOI: 10.1016/j.actamat.2020.07.003

Abstract: Abstract High entropy materials, which include high entropy alloys, carbides, and borides, are a topic of substantial research interest due to the possibility of a large number of new material compositions that could fill gaps… read more here.

Keywords: entropy; preferential oxidation; high entropy; refractory ... See more keywords

The catalytic performance of isolated-dispersed Au on nanosized CeO2 for CO preferential oxidation in H2-rich stream

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recommendations! Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.03.219

Abstract: Abstract Nanosized CeO2 and supported Au catalysts were synthesized and their catalytic performance for CO preferential oxidation in H2-rich streams was evaluated. Transmission electron microscope (TEM), N2 isothermal adsorption/desorption, X-ray diffraction (XRD), temperature programmed reduction… read more here.

Keywords: oxidation rich; nanosized ceo2; catalytic performance; preferential oxidation ... See more keywords

Impact of acid treatment of CuO-CeO2 catalysts on the preferential oxidation of CO reaction

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recommendations! Published in 2018 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2018.07.014

Abstract: Abstract The effect of a post-synthesis treatment of 7.5 wt% CuO-CeO2 catalyst with acid solutions on its performance towards the preferential oxidation of CO reaction was investigated. The acidic environment was found to affect the redox… read more here.

Keywords: oxidation reaction; preferential oxidation; treatment cuo; cuo ceo2 ... See more keywords

Effect of the exposed ceria morphology on the catalytic activity of gold/ceria catalysts for the preferential oxidation of carbon monoxide

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recommendations! Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.03.111

Abstract: Abstract Ceria (CeO2) with different crystal-planes were used as supports to synthesize gold (Au)/CeO2 catalysts for the preferential oxidation of carbon monoxide (CO). A CeO2 morphology-dependent Au-CeO2 interaction was observed. Au/CeO2-R in this present work… read more here.

Keywords: oxidation carbon; catalytic activity; catalysts preferential; preferential oxidation ... See more keywords

Facile synthesis of multi-shelled hollow Cu CeO2 microspheres with promoted catalytic performance for preferential oxidation of CO

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recommendations! Published in 2019 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2018.12.097

Abstract: Abstract Preferential oxidation of CO is beneficial to the removal of residual poisonous CO in reformate gas for proton exchange membrane fuel cell. Cu CeO2 has been widely studied as a promising catalyst for this… read more here.

Keywords: shelled hollow; hollow ceo2; preferential oxidation; ceo2 ... See more keywords

Environment-Dependent Catalytic Performance and Phase Stability of Co3O4 in the Preferential Oxidation of Carbon Monoxide Studied In Situ

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recommendations! Published in 2020 at "ACS Catalysis"

DOI: 10.1021/acscatal.0c02653

Abstract: The preferential oxidation of CO (CO-PrOx) with co-fed O2 is an attractive route for removing trace amounts of CO in the H2-rich reformate gas prior to being used for power generation in proton-exc... read more here.

Keywords: dependent catalytic; oxidation; catalytic performance; environment dependent ... See more keywords

Real-Time Optimization of a CO Preferential Oxidation Reactor Temperature with Extremum Seeking Control Techniques

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recommendations! Published in 2020 at "ACS Omega"

DOI: 10.1021/acsomega.0c01145

Abstract: A hydrogen (H2)-rich gas mixture is used as the fuel of the proton exchange membrane fuel cell (PEMFC). A small amount of the carbon monoxide (CO) gas in the gas mixture can significantly deactivate the… read more here.

Keywords: temperature; time; gas; seeking control ... See more keywords

Comparison of Au–Ce and Au–Cu interaction over Au/CeO2–CuO catalysts for preferential CO oxidation

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recommendations! Published in 2019 at "CrystEngComm"

DOI: 10.1039/c8ce01839a

Abstract: Au decelerates reduction of copper species, while it improves ceria reduction. read more here.

Keywords: comparison interaction; ceo2 cuo; catalysts preferential; interaction ceo2 ... See more keywords

The influence of reducing agents on structure-activity relationships between oxygen vacancies and Au sites for CO preferential oxidation.

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recommendations! Published in 2025 at "Nanoscale"

DOI: 10.1039/d5nr00548e

Abstract: Ceria (CeO2)-based gold (Au) catalysts exhibit remarkable catalytic performance for preferential oxidation of CO in an H2-rich stream (CO-PROX), and their activity can be further enhanced by defect engineering and regulation of Au sites. Herein,… read more here.

Keywords: spectroscopy; reducing agents; preferential oxidation; oxygen vacancies ... See more keywords

CO Total and Preferential Oxidation over Stable Au/TiO2 Catalysts Derived from Preformed Au Nanoparticles

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recommendations! Published in 2020 at "Catalysts"

DOI: 10.3390/catal10091028

Abstract: CO preferential oxidation (PROX) is an effective method to clean reformate H2 streams to feed low-temperature fuel cells. In this work, the PROX and CO oxidation reactions were studied on preformed Au nanoparticles (NPs) supported… read more here.

Keywords: oxidation; preformed nanoparticles; oxidation stable; tio2 catalysts ... See more keywords