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1. |
A butane isomerisation process produces 70 k.mole/hr of pure iso-butane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be_________________? |
A. | 3 kmole/hr |
B. | 4 kmole/hr |
C. | 5 kmole/hr |
D. | 6 kmole/hr |
Answer» D. 6 kmole/hr | |