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

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

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

C. Catalyst size is reduced or the catalyst diffusivity is reduced

D. Catalyst size is increased or the catalyst diffusivity is increased

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.