Canadian CANNAINVESTOR Magazine May 2017 - Page 98

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;2 Subject to ability to place the product with dispensaries;

STEP 2: Rotary Evaporator used for removing residual solvents