Is the method of salt addition extraction and distillation separation widely used in industry?
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Is the method of salt addition extraction and distillation separation widely used in industry? Or, is salt-added extraction and distillation separation industrialized?
I’d like to learn more about this too. Who knows?
Many; the most common example is the use of ethylene glycol extraction distillation to produce anhydrous ethanol with potassium acetate added. There are also others such as adding KOH and potassium carbonate; different systems use different salts, so you can look up relevant literature.
I haven’t come into contact with it yet; the extractant for the current project is kept confidential!
One of the processes for producing anhydrous ethanol is: adding salt to 95% aqueous ethanol to disrupt azeotropy, followed by separation and purification to obtain anhydrous ethanol!
Many. . Hehe, I’m not quite sure about the specific process