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Acetaldehyde (C 2 H 4 O) is produced by oxidation of ethane (C 2 H 6 ): C 2 H 6 + O 2 -->CH

Acetaldehyde (C2H4O) is produced by oxidation of ethane (C2H6): 

C2H6 + O--> CH3CHO + H2O

 

Since air is supplied at 20% excess, two side reactions occur:

 

2C2H6 + 7O2    --> 4CO2 + 6H2O

2CH3CHO + O2        --> 2CH3COOH (acetic acid)

In a process to produce 1000 kgmol/h acetaldehyde, ethane is fed to the reactor at 1500 kgmol/h and the fractional conversion is 0.8. The product stream contains 2 mol% CO2. Calculate the molar composition of the product stream and the fractional selectivity of ethane to acetaldehyde. Assume that air is composed of 79 mol% N2 and 21 mol% O2.

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1Calculate the molar flow rates of all components in the product stream Given Ethane fed C2H6 1500 kgmolh Acetaldehyde produced CH3CHO 1000 kgmolh Fra... blur-text-image

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