After water cooling (at 30°C) in the constant pressure/constant vacuum first line, brownish flocculent substances appear; before water cooling (at 100°C), the samples were clear with no abnormalities...
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After water cooling (at 30°C) in the first stage of the atmospheric and vacuum distillation process, brownish flocculent substances appear; however, samples taken before water cooling (at 100°C) are clear with no abnormalities. I would like to ask the experts what could be causing this?
Test the pH level of the water to determine whether there is a leak; if there is no leak, check whether it is necessary to add disinfectants and coagulants
Directly discharge the water cooling fluid; check through the bypass line and take samples to see if there is any entrainment. If none is present, then it’s a leak in the water cooling system!
Make one-by-one judgments and exclusions before and after
Rule out whether it is a coolant leak. Switch to the secondary line and then take a sample