Gas-Phase Oxidation of Alcohols with Dioxygen over an Au/TiO2 Catalyst: The Role of Reactive Oxygen Species

被引：2
作者：
Sobolev, V. I. [1 ,2 ]
Koltunov, K. Yu [1 ,3 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[2] Tomsk State Univ, Tomsk 634050, Russia
[3] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
KINETICS AND CATALYSIS | 2015年 / 56卷 / 03期
关键词：
SELECTIVE OXIDATION; ETHANOL; EPOXIDATION; PROPYLENE; EFFICIENT; VANADIUM; CO/O-2;
D O I：
10.1134/S0023158415030192
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The activity of the (3% Au)/TiO2 catalyst with an average gold particle size of 3.6 +/- 1.0 nm in the gas-phase oxidation of lower aliphatic alcohols (ethanol, propanol, isopropanol, and butanol) into the corresponding carbonyl compounds (acetaldehyde, propanal, acetone, and butanal) has been studied. A two-peak profile of the activity of the catalyst as a function of temperature has been observed in all of the reactions. The first peak falls within the temperature range from 120 to 130 degrees C, while the complete conversion of the alcohols is achieved at 200-300 degrees C. It is hypothesized that the low-temperature activity is due to the generation of a thermally unstable reactive oxygen species on the catalyst surface.
引用
收藏
页码：343 / 346
页数：4
相关论文
共 50 条
[31]   Selective oxidation of alcohols with molecular oxygen over Ru/CaO-ZrO2 catalyst [J].
Yasu-eda, Takashi ;
Kitamura, Susumu ;
Ikenaga, Na-oki ;
Miyake, Takanori ;
Suzuki, Toshimitsu .
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2010, 323 (1-2) :7-15
[32]   Ni2O3-Au+ hybrid active sites on NiOx@Au ensembles for low-temperature gas-phase oxidation of alcohols [J].
Zhao, Guofeng ;
Hu, Huanyun ;
Chen, Wei ;
Jiang, Zheng ;
Zhang, Shuo ;
Huang, Jun ;
Lu, Yong .
CATALYSIS SCIENCE & TECHNOLOGY, 2013, 3 (02) :404-408
[33]   Preparation of Au/TiO2 Catalyst and the Performance of Liquid Methanol Catalytic Oxidation to Formic Acid [J].
Shi, Da ;
Liu, Jianfang ;
Ji, Shengfu .
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2017, 56 (39) :11028-11033
[34]   The effect of the Au loading on the liquid-phase aerobic oxidation of ethanol over Au/TiO2 catalysts prepared by pulsed laser ablation [J].
Dong, Weiwen ;
Reichenberger, Sven ;
Chu, Sheng ;
Weide, Philipp ;
Ruland, Holger ;
Barcikowski, Stephan ;
Wagener, Philipp ;
Muhler, Martin .
JOURNAL OF CATALYSIS, 2015, 330 :497-506
[35]   Large size Pd NPs loaded on TiO2 as efficient catalyst for the aerobic oxidation of alcohols to aldehydes [J].
Liu, Kun ;
Yan, Xiaojun ;
Zou, Peipei ;
Wang, Yuanyuan ;
Dai, Liyi .
CATALYSIS COMMUNICATIONS, 2015, 58 :132-136
[36]   Selective hydrogenation of nitroderivatives over Au/TiO2/UVM-7 composite catalyst [J].
Trandafir, Mihaela Mirela ;
Moragues, Alaina ;
Amoros, Pedro ;
Parvulescu, Vasile, I .
CATALYSIS TODAY, 2020, 355 :893-902
[37]   Effect of oxomolybdate species dispersion on direct methanol oxidation to dimethoxymethane over MoOx/TiO2 catalysts [J].
Faye, Jeremy ;
Capron, Mickael ;
Takahashi, Atsushi ;
Paul, Sebastien ;
Katryniok, Benjamin ;
Fujitani, Tadahiro ;
Dumeignil, Franck .
ENERGY SCIENCE & ENGINEERING, 2015, 3 (02) :115-125
[38]   Gas-phase selective oxidation of alcohols: In situ electrolytic nano-silver/zeolite film/copper grid catalyst [J].
Shen, J ;
Shan, W ;
Zhang, YH ;
Du, JM ;
Xu, HL ;
Fan, KN ;
Shen, W ;
Tang, Y .
JOURNAL OF CATALYSIS, 2006, 237 (01) :94-101
[39]   Modified Ag/TiO2 systems: Promising catalysts for liquid-phase oxidation of alcohols [J].
Kolobova, E. ;
Kotolevich, Y. ;
Pakrieva, E. ;
Mamontov, G. ;
Farias, M. H. ;
Cortes Corberan, V. ;
Bogdanchikova, N. ;
Hemming, J. ;
Smeds, A. ;
Maki-Arvela, P. ;
Murzin, D. Yu. ;
Pestryakov, A. .
FUEL, 2018, 234 :110-119
[40]   Gas phase epoxidation of propylene with CO/O2 mixture on Au/TiO2 [J].
Sobolev, Vladimir I. ;
Koltunov, Konstantin Yu. .
CATALYSIS COMMUNICATIONS, 2013, 40 :103-105
12345