Cold Ethanol Distillation Extraction Process and Economics
STEP 1: Semi Automated Mechanical Separation using screens to remove “Kief”
Economic Parameters
•The current process is able to process up to 50 lbs1 of trim/shake per day, estimated to cost ~US$400/lb in Colorado
•The extraction yield is expected to be 10%
•Good quality oil extract sells for ~US $30/g on the wholesale market ("Clear" typically goes for higher)2
•Overhead cost to operate the facility is estimated at US$30,000 per month
1 Subject to availability for purchasing from growers;
STEP 2: Rotary Evaporator used for removing residual solvents
98