I’ve been mulling over the idea of some LLE with heptane and methanol. I haven’t tested anything yet, but I was thinking if I washed with heptane then mixed it with cold methanol the methanol would snag cannabinoids and not as much waxes.
Now the obvious issue is the continuing build up of fats/waxes in heptane. Is there a simple in line process to remove them?
I’d assume membrane filter or -80 temps would do the trick. But curious if there’s an adsorbent or another liquid that would suck them out for cheap?