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hi this question bring 20 marks im supposedly to do pfd (process flow diagram) for formaldehyde...

hi this question bring 20 marks im supposedly to do pfd (process flow diagram) for formaldehyde production plant using catalytic oxidation of methanol method , which mixer ,reactor and separator as main equipment .unreactant methanol is recycled but 20% of unreacted methanol is send to product stream as product stabilizer. Then solve the material balance when overall conversion of methanol is within (80-90) % , basis of calculation is stated. then the ratio on the amount of feed reactants fixed accordingly before enter the reactor.

just state any basis of calculation

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Expert Solution

Considering a basis of 100 mol/h of methanol entering as a fresh feed in the system with an overall conversion of 80%. The process flow diagram and the required material balances are shown below . Here flowrate of fresh air is taken as 300 mol/h .

Amanda K answered 3 months ago
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