Chemical Reaction Engineering

A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by_____.

  • A. Diffusion within the pellet
  • B. Reaction
  • C. External mass transfer
  • D. None of the above
Answer: Option A.

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