A two-zone fluidized bed reactor can solve the problems of catalyst deactivation by coke by providing in-situ continous catalyst regeneration.
By feeding a carbon containing compound at an intermediate point of a fluidized bed and a regenerating gas (e.g. containing O2, CO2 or H2O) at the bottom, two zones with different reaction atmosphere are created. In the top zone the desired reaction is produced and in the bottom zone the catalyst is regenerated. Examples of application include: hydrogen production by reforming of methane, ethanol or glycerol; methane aromatization; propane dehydrogenation.
The system can be complemented by adding a membrane for hydrogen removal.
Research group at the University of Zaragoza. Focus in Catalysis, membranes and Chemical Reaction Engineering.
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