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Showing 1 to 4 of 4 for “"Brønsted acid site"”.
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Gas Phase Oxidation of Levulinic Acid for the Production of Maleic Anhydride over Supported Vanadium Oxide Catalysts
… we examine the aerobic oxidation of levulinic acid, a bio-based platform chemical derived from lignocellulosic biomass, to produce maleic anhydride, a valuable commodity chemical. This process is carried out over supported vanadium oxide catalysts. Yields as high as 71% of the theoretical …
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An Examination of γ-valerolactone Ring Opening and Decarboxylation in Multiphase System and Over Various Solid Acid Catalysts
… commercial potentials. Of interest here is the acid-catalyzed ring opening of GVL to form pentenoic acid (PEA) isomers and following decarboxylation to produce butenes. In this study, GVL ring opening, and decarboxylation are examined in both liquid and gas phases over various catalytic systems …
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An Examination Of Γ-valerolactone Ring Opening And Decarboxylation In Multiphase System And Over Various Solid Acid Catalysts
… commercial potentials. Of interest here is the acid-catalyzed ring opening of GVL to form pentenoic acid (PEA) isomers and following decarboxylation to produce butenes. In this study, GVL ring opening, and decarboxylation are examined in both liquid and gas phases over various catalytic systems …
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Poisoning and Sulfation on Vanadia SCR Catalyst
… increase ammonia adsorption intensity on Brønsted acid sites. Activity measurements by MS showed K, Na, and Ca poison SCR catalysts, and sulfation and tungsten enhance SCR NOx reduction activity. Both the decrease and increase of catalyst activity arise from the decrease and increase of …