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)
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible.
If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst
For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.
Ordinary diffusion process is also called __________ diffusion.
A catalyst is said to be a negative catalyst, ifit
The bulk modulus of elasticity with increase in pressure
The importance of diffusion in a catalyst are increased by
Simple diffusion and facilitated diffusion share the following characteristics