Separation and purification of butyl ethylene glycol ether from pyrrolidine NMP

2015-08-25View Original

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Do ethylene glycol butyl ether, pyrrolidine, and NMP, along with water, form an azeotrope? Or are two of them azeotropic? Due to limited equipment, the temperature at the top of the distillation tower cannot reach 170°C. I would like to ask experts how to carry out separation and purification in this situation? Thank you

Reply #22015-08-25

I’ll take care of it myself. . . It’s not popular at all

Reply #32015-08-26

I’ve been trying to separate them these past few days, but I really can’t do it. Do any experts have any suggestions?

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Separation and purification of butyl ethylene glycol ether from pyrrolidine NMP

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