Oxidative Methane Conversion to С2 Hydrocarbons on a Monoatomic Rhodium Zeolite Catalystстатья
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Дата последнего поиска статьи во внешних источниках: 1 мая 2024 г.
Аннотация:Oxidative conversion of methane to С2 hydrocarbons using a mixture of CO2 with a small amount of O2 as an oxidant was studied. The use of zeolite catalysts with monoatomic rhodium distribution allows the reaction to be performed at low temperatures and pressures (380–450°С, 0.1–3.0 MPa) in the gas-phase mode. When performing the oxidative conversion of methane in the flow-through mode, the use of the monoatomic catalytic system containing an additional doping component (Zn, Cu, Mg) allows the ethane yield to be increased by ~60% relative to the system without additional component. In the fl ow-through–circulation mode, the ethane yield on the monoatomic rhodium zeolite catalyst additionally doped with Zn increases by a factor of 2.3 relative to the flow-through mode.