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Synthesis of solid superacid of tungsten oxide supported on zirconia and its catalytic action for reactions of butane and pentane
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1988
Year
Solid Superacid CatalystEngineeringAmorphous Zro2Organic ChemistryChemistryInorganic MaterialChemical EngineeringAcid StrengthMaterials ScienceInorganic ChemistryCatalytic MaterialIndustrial CatalysisCatalysisCatalytic ProcessInorganic SynthesisCatalytic SynthesisCatalytic ActionTungsten OxideSolid SuperacidCatalyst Preparation
A solid superacid catalyst with an acid strength of H0⩽–14.52 was obtained by impregnating Zr(OH)4 or amorphous ZrO2 with aqueous ammonium metatungstate followed by calcining in air at 800–850 °C (13 wt.% W); this catalyst was active for the isomerisations butane to isobutane at 50 °C, and pentane to isopentane at 30 °C.