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Regeneration of a coked Mo-Ni/Al 2 O 3 catalyst in a fixed bed reactor was studied. Several kinetic equations treating the coke burn-off reaction as either non-catalytic or catalytic have been tested in simulating the regeneration of a coked catalyst in a fixed-bed reactor. A modified grain model using a kinetic expression given for an Al 2 O 3 /SiO 2 catalyst...
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