In an existing process, 180 kgmol/h of CiH, (P) ?s mixed with 420 kgmol/h of a m

Question

In an existing process, 180 kgmol/h of CiH, (P) ?s mixed with 420 kgmol/h of a mixture containing 50% CO (C) and 50% H, (H) and with a recycle stream containing propylene and then fed to a reactor, 30% of the propylene fed to the reactor is consumed. The reactor effluent is sent to a separator. The desired product butanal (B) is removed in one stream, unreacted CO and H, are removed in a second stream, and unreacted Pis recovered and recycled 6 Mixer Reactor Separator ?, ?, H, B P, C, H C, H2 7 How many stream variables are there in the DOF analysis of the process?

Explanation / Answer

we have to take overall balance

stream variable = 6 = flow rate of (P1,C2,H2,C6,H6,B7), in which P1, C2, H2 are known

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