N-butane recovery with -10 chiller?

[Luckycat]

Just happened to stumble upon this thread, gives me all kinds of ideas

Glycol chiller with dry ice assist reservoir

Hey there Haven’t really introduced myself yet so this might as well be an intro: I have been a longtime lurker on this forum and it has been such an amazing resource for me- I finally decided to join GLG and start posting more cause we got the go ahead to build out a hemp extraction lab- we were issued the first industrial hemp processors liscense in the state of wisconsin last year but did very little in the way of actual extraction- background of company: We have been making herbal medicine…