ALKANE DEHYDROGENATION CATALYST AND PROCESS FOR ITS PREPARATION
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United States of America Patent
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Jul 30, 2015
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Jul 26, 2013
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Jul 26, 2012
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The invention relates to a catalyst composition comprising: (i) a porous metal oxide catalyst support, (ii) a precious metal comprises at least one of platinum (Pt), palladium (Pd), rhodium (Rh), rhenium (Re), ruthenium (Ru) and iridium (Ir), and (iii) tin (Sn), and (iv) zinc (Zn), and/or (v) an alkaline earth metal, wherein the catalyst composition is obtained or obtainable by a process comprising (a) depositing the precious metal, Sn, Zn and/or the alkaline earth metal on the porous metal oxide catalyst support to obtain a catalyst precursor and (b) subjecting the catalyst precursor to calcination in an environment comprising oxygen to obtain a catalyst, wherein step (a) comprises the step of (a1) contacting the porous metal oxide catalyst support with a solution comprising a salt of the precious metal and a salt of tin (Sn) and a salt of zinc (Zn) and/or a salt of the alkaline earth metal.
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