White flocculent matter precipitates in the propylene after distillation
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Dear friends, what are those white flocculent substances that precipitate in the propylene after distillation? Potassium permanganate, sodium bisulfite, and other substances were added in the upstream processing steps
The composition of the material before distillation has not been specified yet. It should be the intermediate layer of impurities carried away.
Bingtonghe 7-ACA crystallization mother liquor
{:3_49:} If your English isn’t good, just admit it – use a capital letter. . . . Things like yours are usually polymers or something similar; you can increase the flow rate and raise the amount of product extracted from the bottom of the tower. If that doesn’t work, you can add a filtering device after the extraction pump. As for what the impurities are, you can filter some of them out and try adding acid or base to see whether it’s self-polymerization or a reaction product with substances like sodium bisulfite