Gas-Solid Reactions

Question 1

Name 4 assumptions for non catalytic gas solid reactions

Answer 1

Reaction takes place at ash-core interface
Ash layer is porous
Core is non porous
Film layer around particle

Question 2

Name 4 assumptions of the shrinking core model

Answer 2

Rs is constant
Porous ash layer non flaking
Particle acts like a batch reactor
Ca is constant