How to calculate time required to distill under vacuum distillation?

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Johannes Fresner

Dear Raghavendra,

this might help:

http://www.chemicalprocessing.com/articles/2013/quickly-estimate-batch-distillation-time/

https://pharmacalc.blogspot.co.at/2016/03/theoretical-way-to-determine-time.html

best regards

Johannes

Raghavendra Perumalla

Dear Johannes,

I am extremely thankful for your kind help, as in the aforementioned links they not mentioned any thing about the vacuum.

Jerry Decker

It depends on the capacity of your vacuum pump and the difference in vapor pressures before and after the condenser.