Chemical Reaction Engineering
A trickle bed reactor is the one, which

Processes three reactants at different flow rates
Employs all the three phases (i.e.. .solid, liquid and gas)
Has altogether three streams either entering or leaving
Processes three reactants with same flow rate

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Chemical Reaction Engineering
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Catalyst size is reduced or the catalyst diffusivity is reduced
Catalyst size is increased or the catalyst diffusivity is increased
Catalyst size is increased or the catalyst diffusivity is reduced
Catalyst size is reduced or the catalyst diffusivity is increased

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