yes. remove hydrocarbon. replace with ethanol. push with N2. adjust recovery and solvent tank temps. use your recovery pump + hot/cold to move/recover the solvent. Search results for 'ethanol PX1' - Future4200
or just use a bucket instead…Bucket Tek (Cold Ethanol Extraction on a Budget)
Edit: while you’re at it, check: Search results for 'RSO' - Future4200