Chemical Reaction Engineering
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

Temperature should be high in the beginning and decreased towards the end of the reaction
Very low temperature should be used throughout the reaction
None of these
Very high temperature should be used throughout the reaction

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Chemical Reaction Engineering
A batch reactor is

Suitable for liquid phase reactions involving small production rate
Least expensive to operate for a given rate
Most suitable for very large production rate
Suitable for gas-phase reactions on commercial scale

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