So starting with 20# solvent at room temperature. Going through coil in dry ice into 4”x48” matieral column with 4# matieral in it. 12x12 collection pot on dry ice. Losing about 4.5# solvent each run. This seems to high to me. Trying a n2 push after solvent tank is almost empty but not getting much better recovery weights. An I heard if you use a n2 push from the start you don’t need dry ice on collection pot at all? Any thoughts on that? Also bleeding n2 off and disconnecting collection from matieral tube. Should I leave that together an recover n2 an bleed off after from recovery tank
yep. losing more than 20% of your solvent should be considered high.
I suggest starting here.
5th hit for Search results for 'push' - Future4200 
suggest you try a query…
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