The regularities in the interaction of alkanes with CO2 on oxide catalysts

Selective oxidehydrogenation of ethane with CO2 over CeO2-based catalysts

“…This is because various oxygen species are in dynamic equilibrium together with oxygen in gas phase and different oxidation reactions are taking place simultaneously. In order to avoid such complicated reaction patterns, there are several reports which propose using inert CO 2 as an oxidant for the selective conversion of alkanes C 1 -C 3 in olefins and syngas [1][2][3][4][5][6]. CO 2 can dissociate on the catalyst surface to produce active oxygen species as expressed in Eq.…”

Activity of vanadium magnesium oxide supported catalysts in the dehydrogenation of isobutane

“…Recently, several attempts were made to use carbon dioxide as an unconventional source of oxygen in the oxidative dehydrogenation of isobutane [9][10][11][12][13][14][15][16]. The overall reaction can be described as follow (3):…”

“…These side reactions lower the process selectivity due to the production of undesired carbon oxides [4][5][6]. Therefore, it is expected that replacing oxygen in the oxidative dehydrogenation reactions by weak oxidants, such as SO 2 , N 2 O and CO 2 , will suppress these disadvantages [7][8][9][10].…”

Dehydrogenation of Propane in the Presence and Absence of CO2 Over β-Ga2O3 Supported Chromium Oxide Catalysts

“…Several different bulk and supported oxide catalysts have been tested in this reaction. Different oxides (Ga, Cr, V, Fe, Zr and Zn) were used as active components [1][2][3][4][5][6][7][8][9][10] and potassium oxide was introduced as promoter [7,8]. Inorganic oxides (SiO 2 , Al 2 O 3 ) [1][2][3], mesoporous materials (MCM-41) [4] and carbonaceous materials (diamond, active carbon) [1,5] were used as the supports.…”