Engineering
Engineering, 16.10.2020 14:01, martinbricein10

Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to the process contains 32.0 mole% CO, 64.0% H2, and 4.0% N2. This stream is mixed with a recycle stream in a ratio 5 mol recycle/1 mol fresh feed to produce the feed to the reactor, which contains 13.0 mole% N2. A low singlepass conversion is attained in the reactor. The reactor effluent goes to a condenser from which two streams emerge: a liquid product stream containing essentially all the methanol formed in the reactor, and a gas stream containing all the CO, H2, and N2 leaving the reactor. The gas stream is split into two fractions: one is removed from the process as a purge stream, and the other is the recycle stream that combines with the fresh feed to the reactor. Required:
For a methanol production rate of 100 kmol/hr, calculate the fresh feed rate (kmol/hr), the molar flow rate and composition of the purge gas, and the overall and single-pass conversions.

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Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to...

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