I actually thought that’s what it came from for a minute
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couldn’t the solvent tank just be brought to ~-10 then nitrogen head pressure purged due to expansion of solvent? (I am talking 70:30 P:B at this point)
We’ve tried on our smaller systems and have placed -80 columns @ recovery before reserve solvent and -40 after to prechill from reserve before populating the material column.
B. Zz