Related Questions

Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst
Kinetics of a solid catalysed reaction can best be studied in a __________ reactor.
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for
When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.
In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.