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Showing 1 to 7 of 7 for “"SrFeO3"”.
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Interactions between catalysts and oxygen carriers in chemical looping processes
… applied for chemical looping processes, using Ag/SrFeO3−δ as a model system. In chemical looping processes, lattice oxygen is provided from a metal oxide (termed the oxygen carrier) to generate purified oxygen, or, to react with a reducing gas (e.g. a hydrocarbon) to form oxygenated products, in …
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Investigation of the conversion of fuels in the presence of solid oxygen carriers and the development of a plasma-assisted chemical looping system for H2 production
… (PCLH) from CH4 at mild temperatures (~ 673 K). SrFeO3-, Fe2O3, and Ni-doped SrFeO3- and Fe2O3 were investigated as the packing material. Total combustion of CH4 was observed in SrFeO3-. The addition of Ni onto SrFeO3- significantly improved the selectivity towards H2; whilst it was only …
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Selective Oxidation Reactions: A Chemical Looping Approach
… For CL-epoxidation, Ag catalyst was supported on SrFeO3 as an oxygen carrier. The influence of oxygen carrier composition was investigated by generating carriers containing different ratios of the perovskite phases SrFeO3 and Sr3Fe2O7. Maximum yield of ethylene oxide was obtained for the sample …
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Chemical Looping for Selective Oxidations
… of Ag, for its unique catalytic properties, and SrFeO3 as the support, for its high oxygen chemical potential at low temperatures. A reaction mechanism was proposed based on the observations. Nonlinear frequency response theory was used to analysis a periodic non-catalytic gas-solid reaction. …
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Fundamental Studies of Chemical Looping Combustion with Oxygen Uncoupling (CLOU) of Biomass Char
… a non-stoichiometric perovskite CLOU material, SrFeO3-δ, was also investigated, both experimentally and theoretically. The performance was compared with combustion in Cu-based CLOU materials and with combustion in an oxygen carrier without CLOU properties, namely Fe₂O₃. Experiments were …
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Phase formation and structural transformation of strontium ferrite SrFeOx
Non-stoichiometric strontium iron oxide is described by an abbreviated formula SrFeOx (2.5 ≤ x ≤ 3.0) exhibits a variety of interesting physical and chemical properties over a broad range of temperatures and in different gaseous environments. The oxide contains a mixture of iron in the trivalent …
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Phase formation and structural transformation of strontium ferrite SrFeOx
Non-stoichiometric strontium iron oxide is described by an abbreviated formula SrFeOx (2.5 ≤ x ≤ 3.0) exhibits a variety of interesting physical and chemical properties over a broad range of temperatures and in different gaseous environments. The oxide contains a mixture of iron in the trivalent …