How to solve minimum reflux that the value is negative. I've try it in ASPEN PLUS with shortcut DSTWU, but when i'm running, the result is error and it said that the minimum reflux is -1,345. that i put in aspen is distillation of acetone, butanol, ethanol and water. and i want to separate ethanol as light key and butanol as heavy key. Can you help me, to solve this problem?
How to solve minimum reflux that the value is negative. I've try it in ASPEN PLUS with shortcut DSTWU, but when i'm running, the result is error and it said that the minimum reflux is -1,345. that i put in aspen is distillation of acetone, butanol, ethanol and water. and i want to separate ethanol as light key and butanol as heavy key. Can you help me, to solve this problem?