5695Chemical EngineeringMedium
For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the ________ is the controlling resistance?
AFilm diffusion
BEither A., B. or C.
CDiffusion through ash layer
DChemical reaction
Correct answer
C. Diffusion through ash layer
Explanation
The correct answer is Diffusion through ash layer.