Water-gas shift activity of ceria supported Au-Re catalysts

Burcu Selen Caglayan; A. Erhan Aksoylu

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Water-gas shift activity of ceria supported Au-Re catalysts

机译：二氧化铈负载的Au-Re催化剂的水煤气变换活性

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Au-Re/ceria, Au/ceria and Re/ceria catalysts were prepared using deposition precipitation and impregnation techniques for Au and Re addition, respectively, except the sample prepared by sequential impregnation. Catalysts were characterized by HRTEM-EDS, SEM-EDS, XPS and XRD. WGS activity tests on the samples were performed in the temperature range 200-450 °C. The effects of Re incorporation, metal addition sequence, space velocity and H2O/CO ratio on the catalytic performance were investigated. The novel Au-Re/ceria catalysts showed high activity in WGS reaction, especially at high H2O/CO ratios, led by the presence of catalytically active and steam tolerant sites formed on the bimetallic catalysts.

机译：除了通过顺序浸渍制备的样品外，分别使用沉积沉淀和浸渍技术分别添加Au和Re来制备Au-Re / ceria，Au / ceria和Re / ceria催化剂。 HRTEM-EDS，SEM-EDS，XPS和XRD对催化剂进行了表征。在200-450°C的温度范围内对样品进行WGS活性测试。研究了Re的掺入，金属的添加顺序，空速和H2O / CO比对催化性能的影响。新型的Au-Re /二氧化铈催化剂在WGS反应中表现出高活性，尤其是在高H2O / CO比下，这是由于在双金属催化剂上形成了催化活性和耐蒸汽位所致。

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《Catalysis Communications》 |2011年第13期|共6页
作者
Burcu Selen Caglayan; A. Erhan Aksoylu;
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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Water-gas shift; Fuel processing; Bimetallic gold catalysts; Au-Re;

机译：水煤气变换;燃料处理;双金属金催化剂;Au-Re;

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1. Water-gas shift activity of ceria supported Au-Re catalysts [J] . Burcu Selen Caglayan, A. Erhan Aksoylu Catalysis Communications . 2011,第13期

机译：二氧化铈负载的Au-Re催化剂的水煤气变换活性
2. Morphological effects of the nanostructured ceria support on the activity and stability of CuO/CeO2 catalysts for the water-gas shift reaction [J] . S. Y. Yao, W. Q. Xu, A. C. Johnston-Peck Physical chemistry chemical physics: PCCP . 2014,第32期

机译：纳米结构二氧化铈载体对水煤气变换反应用CuO / CeO2催化剂活性和稳定性的形态学影响
3. Comparative study for low temperature water-gas shift reaction on Pt/ceria catalysts: Role of different ceria supports [J] . Jain Rishabh, Poyraz Altug S., Gamliel David P., Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications . 2015,第Null期

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4. Ceria-Containing Fuel Processing Catalysts for Fuel Cell Applications: Part Ⅱ. Water-Gas Shift Activities [C] . Ivan C. Lee, Ranjan K. Pati, Sheryl H. Ehrman, Power Resources Conference . 2004

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5. Evaluating the Effect of a Strong Metal-Support Interaction on the Activity of Molybdenum Carbide Supported Platinum Water-Gas Shift Catalysts. [D] . Schweitzer, Neil Michael. 2010

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6. Recent Advances in Supported Metal Catalysts and Oxide Catalysts for the Reverse Water-Gas Shift Reaction [O] . Xiaodong Chen, Ya Chen, Chunyu Song, 2020

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7. Effect of Nickel Oxide Doping to Ceria-Supported Gold Catalyst for CO Oxidation and Water-Gas Shift Reactions [O] . Miao Shu, Shuai Wei, Chun-Jiang Jia, 2018

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8. Ceria Based Nano-Scale Catalysts For Water-Gas Shift (WGS) Reaction [R] . Chu, D. , Lee, I. C. , Pati, R. K. , 2004

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Water-gas shift activity of ceria supported Au-Re catalysts

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