SME
Chemical Reaction Engineering · Problem type
Order of the steps on a catalyst
Use this for “Ethylene is hydrogenated on nickel inside a porous pellet. What happens first, and what last?”
Put in order
Put the steps of a reaction on a porous catalyst in order, from first to last.
1
?
2
?
3
?
4
?
5
?
6
?
7
?
Assumptions
•
A porous catalyst pellet sits in a flowing fluid; the reaction happens only on sites inside its pores.
•
Any one step can be the slowest and set the overall rate.
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