Refer to Fig 1. Methanol is synthesized from CO and H 2 . The fresh feed to the

Question

Refer to Fig 1. Methanol is synthesized from CO and H2. The fresh feed to the system, which contains only CO and H2, is blended with a recycle stream that contains only CO and H2. The combined stream is heated and compressed to 500 K and 5000 kPa,. and fed to the reactor. The hydrogen is excess by Hex = 5.0%. Under the reaction conditions of 500 K, the equilibrium constant is Kp = (PCH3OH)/[(PCO)(P2H2)] = 9.11 × 10?7 kPa?2

Figure 1: methanol synthesis from CO and H2

For a reaction at 5000 kPa and excess H2 of 5%, calculate the flow of carbon monoxide, hydrogen and methanol from the reactor.

n, (kmol CO / h) n, (kmol H/h) Reactor Separator (kmol Co 100 kmol CO/h n (kmol H2/h) mol H /h) n, (kmol Co) OHh) H, H2 excess) n (kmol CH,OH/h) T, P

Explanation / Answer

Refer to Fig 1. Methanol is synthesized from CO and H 2 . The fresh feed to the

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