Activity of Ni-Moly catalysts in tetralin or decalin dehydrogenation and in hydrogenation of coal-extract solution |
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Authors: | Zygmunt Dziewiecki Maria Ihnatowicz Andrzej Makowski |
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Affiliation: | 1. Institute of Chemistry of Silesian University, Katowice, Poland;2. Central Mining Institute, Katowice, Poland |
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Abstract: | The activity of several NiMoly catalysts in the processes of dehydrogenation of tetralin or decalin and hydrogenation of coal-extract solution has been determined. In both processes studied, the activities of the catalysts investigated have been found to follow rectilinear relations with quantity. It has also been shown that the activity of a NiMoly catalyst can be predicted in hydrogenation of coal-extract solution, from its activity in dehydrogenation of tetralin or decalin; the latter reaction is relatively simple to conduct in laboratory conditions. However, caution must be exercised when very narrow pores, making possible Knudsen diffusion of hydrogen at high pressure, exist in the catalyst. |
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