Activity of a Block Cellular Catalyst with a Modified Substrate

Author： Kozlov A.   Lukin E.   Kozlov I.   Kolesnikov V.   Grunskii V.  

Publisher： Springer Publishing Company

ISSN： 0361-7610

Source： Glass and Ceramics, Vol.62, Iss.7-8, 2005-07, pp. : 206-208

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Abstract

The effect of active substrate on the process of liquid-phase reduction of para-nitrotoluene (P-NT) on a highly porous cellular palladium catalyst (HPCPC) is studied. The rate of the reducing reaction for 50% transformation of the initial nitric compound in the temperature range of 52 – 58°C is determined for the HPCPC using various oxides and their sulfatized forms as active substrate. It is shown that the highest velocity of P-NT hydration is reached using the HPCPC with an active substrate made of sulfatized ZrO2 and γ-Al2O3. The constants of reducing P-NT and the load of the nitric compound on the catalyst are calculated; the highest values are found in the HPCPC with a sulfatized ZrO2 substrate.

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