Determine if pore diffusion mass transport may be limiting, Science

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Consider the following data for ethylene hydrogenation to ethane in a batch reactor:

C₂H₄ + H₂ → C₂H₆

The reaction may be considered to be first-order and irreversible:

652_Determine If Pore Diffusion Mass Transport May Be Limiting.png

Data

T = 100 °C

Initial P_C2H4 = 350 torr

Initial P_H2 = 612 torr

Mass of catalyst = 0.43 g

Volume of catalyst = 0.21 cm³

Catalyst: 0.3 x 0.3 cm cylinders

Pore radius = 100 Å

Assuming that only Knudsen diffusion is present, evaluate these data to determine if pore diffusion mass transport may be limiting.

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