so…I did use a dewar (two) of LiqN2 for chilling ethanol.
with just a dewar and a phase separator on a six ft hose, I wasn’t really able to give LiqN2 a fair trial. It certainly worked, and the head pressure was great for moving my solvent around, but we went with dry ice while waiting on actual chilling.
if you’re looking for a Chiller Recommendation
I don’t currently have one.
@ThermonicsChillers recommends you take a look here