MCQOPTIONS
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| 1. |
A butane isomerisation process produces 70 kmole/hr of pure isobutane. 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 | |