Is it possible to separate water, propionaldehyde, and isobutyraldehyde?
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Is it possible to separate water, propionaldehyde, and isobutyraldehyde?
It should be possible to separate them; feel free to contact me if needed
This would need to be separated through a combined process. First, molecular sieve membranes can be used for dehydration to remove water, and then some method needs to be found to separate propionaldehyde from isobutyraldehyde; distillation is probably the appropriate method for that
If there’s a lot of water in it, will the dehydration effect be good? ? ? Do I need to evaporate the water to separate it? ? ?
If the composition is appropriate, direct distillation is sufficient
Isobutyraldehyde and water have an azeotrope, so it may not be easy to separate them under normal conditions; therefore, membrane dehydration is used first to remove water, and then another method is employed to separate propionaldehyde from isobutyraldehyde. A water content of around 20% gives fairly good results