Selective oxidation of carbon monoxide

D.F. Bakker, Catalysts for the selective oxidation of carbon monoxide in... 

G. Avgouropoulos, T. loannides, C. Papadopoulou, J. Batista, S. Hocevar, and H. K. Matralis, A comparative study of Pt/gamma-A1203, Au/alpha-Fe203 and CuO-Ce02 catalysts for the selective oxidation of carbon monoxide in excess hydrogen, Catal. Today 75, 157-167 (2002). 

Figure 4.1 (a) STM image of gold nanoparticles on a titania crystal surface (b) plot of the catalytic activity of gold nanoparticles versus size in the selective oxidation of carbon monoxide with oxygen to carbon dioxide (c) an artist s rendition of the raft-like shapes of the nanoparticles. 

The plant consists of a pre-reforming step which converts C2+ into methane, which also reduces the coking risk downstream (Figure 4.50). The actual reforming step, the water gas shift reaction, follows and also a step for the selective oxidation of carbon monoxide before the hydrogen-rich gas enters the fuel cell. A steam evaporator is also included in the set-up. 

A major objective of the work employing infrared spectroscopy is the identification of the species involved in the reactions that gold is adept at catalysing ((selective) oxidation of carbon monoxide, water-gas shift, etc.),... 

The selective oxidation of carbon monoxide in hydrogen on Au/a-Fe2C>3 (haematite) catalysts shows characteristics that differ from those of the oxidation of carbon monoxide by itself (Chapter 6). The presence of hydrogen, or perhaps more importantly, of the water formed from it, decreases the rate of activity loss by inhibiting formation of carbonate ion, and causes the rate of carbon monoxide oxidation to increase a little.7,18,21,22... 

Hasegawa Y, Kusakabe K, and Morooka S. Selective oxidation of carbon monoxide in hydrogen-rich mixtures by permeation through a platinum-loaded Y-type zeolite membrane. J Membr Sci 2001 190 1-8. 

Avgouropoulos, G., Ioannides, T., Matralis, H., Batista, J., and Hocevar, S. CuO-Ce02 mixed oxide catalysts for the selective oxidation of carbon monoxide in excess hydrogen. Catalysis Letters, 2001, 73, 33. 

Jnng CR, Knndn A, Nam SW, Ho-ln L. Selective oxidation of carbon monoxide over Cn0-Ce02 catalyst effect of hydrothermal treatment. App Cat B Environmental 2008 84(3/4) 426-32. 

V. Cominos, V. Hessel, C. Hofmann, et at Selective oxidation of carbon monoxide in a hydrogen-rich fuel cell feed using a catalyst coated microstructured reactor. Catal. Today 2005, 110, 140-153. 

Park, J.W., Jeong, J.H., Yoon, W.L. and Rhee, Y.W. (2004) Selective oxidation of carbon monoxide in hydrogen-rich stream over Cu/Ce/Y-Al203 catalysts promoted with cobalt in a fuel processor for proton exchange membrane fuel cells. J. Power Sources, 132, 18—28. 

Snytnikov, P.V., Stadnichenko, A.I., Semin, G.L., Belyaev, V.D., Boronin, A.I. and Sobyanin, V.A. (2007) Copper-cerium oxide catalysts for the selective oxidation of carbon monoxide in hydrogen-containing mixtures I. Catalytic activity. Kinet. Catal., 48 (3), 439-447. 

Example 9.2-1 Multi-component Au/MgO catalysts designed for selective oxidation of carbon monoxide Application of a combinatorial approach (Tompos et al, 2008). 

Tempos, A., Hegedus, M., Margitfalvi, J.L., Szabo, E.G. and V gvdri, L. (2008). Multicomponent Au/MgO catalysts designed for selective oxidation of carbon monoxide Appication of a combinatorial approach. Appl. Catal. A General 334, 1-2, 348-356. 

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