Ru/MgO Sol-Gel Prepared Catalysts for Ammonia Synthesis |
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| Authors: | Pietro Moggi Giovanni Predieri Andrea Maione |
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| Affiliation: | (1) Department of Organic and Industrial Chemistry, University of Parma, Parco Area delle Scienze 17/A, 43100 Parma, Italy;(2) Department of General and Inorganic Chemistry, Analytical Chemistry, Physical Chemistry, University of Parma, Parco Area delle Scienze 17/A, 43100 Parma, Italy;(3) Chemistry Department, Chemistry of Inorganic and Organic Materials, Université Catholique de Louvain, Place L. Pasteur 1/3, B-1348 Louvain-la-Neuve, Belgium |
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| Abstract: | A new method of preparation of alkali-promoted Ru/MgO catalysts, based on a sol-gel procedure, starting from magnesium ethoxide, Ru3(CO)12 and a cesium compound has been designed. The gels were subjected to an activation/reduction procedure to substantially obtain Ru-CsOH/MgO. The activated catalysts were tested in ammonia synthesis at atmospheric pressure. It was clear that the sol-gel prepared Cs-promoted Ru/MgO catalysts are much more active, under the same reaction conditions, than the analogous catalysts prepared by impregnation procedures. |
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| Keywords: | ruthenium-based catalyst preparation characterization sol-gel ammonia synthesis |
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