Distillation column reflux calculation
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A certain reflux tank normally contains about 2 tons of hydrocarbons. If the reflux rate is reduced from 5 t/h to 4 t/h, by how many minutes does the fluid residence time increase, given that the fluid density is 0.6×103 kg/m3? Solution: Extended dwell time = 2000÷4000 – 2000÷5000 = 0.1 hours = 10 minutes. Answer: The dwell time can be extended by 10 minutes. Could that expert explain why it is calculated in this way? Thank you
0.1h = 6 Minutes~~~ The original poster can simply create a linear equation with one variable based on the input and output quantities and then solve it to get the answer~~~