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material balance for a component is not balanced

the component material balance for the distillation tower is not balance

for flowrate of 408 kg/hr of 25 % furfural and 75% water

the bottom flowrate should be 100 kg/hr of 96% furfural

and distillate should be 308 kg/hr of 98% water

but from simulation the flowrate of distillate and botom are not same with the material balance of furfural having a difference in input and output

i.e input not equal to output of furfural


DWSIM 26-04-21, 12:41 a.m. jogesh24
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Please upload your DWSIM file in g-drive and share the g-drive link here so that we can look into the issue.
26-04-21, 10:49 a.m. Priyam_Nayak

https://drive.google.com/file/d/1Hwr1ooKd0DrlCN5NvjEmZLV7_kvYs4fE/view?usp=drivesdk

 


26-04-21, 9:05 p.m. jogesh24

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The problem statement that you have provided doesn't match with the inputs given in the simulation file. As you mentioned that the inlet composition is 25% furfural and 75% water, it is not clear if they are mass % or mole %. However, in the simulation file, you have used the input of 50% furfural and 50% water on the basis of mole.

With the given input values in the simulation file, the material balance is absolutely accurate.

27-04-21, 11:44 a.m. Priyam_Nayak


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