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Alcohol selective oxidation over modified foam-silver catalysts

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Pestryakov,  Alexeij N.
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Knop-Gericke,  Axel
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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catalysis_today_.pdf
(Any fulltext), 146KB

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Citation

Pestryakov, A. N., Bogdanchikova, N. E., & Knop-Gericke, A. (2004). Alcohol selective oxidation over modified foam-silver catalysts. Catalysis Today, 91, 49-52. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6TFG-4CBVSWF-2-D&_cdi=5226&_user=28741&_orig=browse&_coverDate=07%2F15%2F2004&_sk=999089999&view=c&wchp=dGLbVzz-zSkWA&md5=98d6d94909b11668b69d651ec563e278&ie=/sdarticle.pdf.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-0DC0-B
Abstract
Catalysts based on silver supported on foam ceramics and modified by Zr, Ce and La oxides have been studied in the process of partial oxidation of methanol to formaldehyde. The foam catalysts exhibit high catalytic, mechanical and gas-dynamic properties exceeding the characteristics of conventional crystalline and supported silver samples. Modifying additives of Zr and Ce oxides raise activity and selectivity of the supported foam-silver catalyst as well as its stability during the prolonged functioning. The modifiers change the electronic state and redox properties of silver, the metal dispersivity, surface diffusion and aggregation of silver during the long-term service.