The concentration of methanol remaining in the wastewater after recovery from the methanol distillation column is too high
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I would like to ask the experts: In continuous distillation processes for methanol at atmospheric pressure, the concentration of methanol remaining in the wastewater after recovery is too high. 1. The COD level should be 3000 mg/L after recovery, but it is currently 15000 mg/L； 2. Currently, the temperature in the reactor has reached 103 degrees Celsius, while the temperature at the top is 90 degrees Celsius – it still doesn’t drop. Small-scale distillation experiments were carried out using wastewater that has been purified through distillation, and the COD level reached 2500 mg/L.
There’s a problem with your Tawin control; adjust the steam flow
Reply to 2# wanghuifeng: Thanks! I just started using it today, and the filler in the first section has already been corroded! ! ! ! :L
Inspect for water distributor issues, filler corrosion, scaling, and so on.