The supercritical fluid extraction (SFE) process allows for the extraction of very pure, high-value product from materials which otherwise would be considered by-products or waste and sold cheaply, or simply disposed of.
Traditional extraction methods lack the efficiency associated with SFE (using CO2) and normally involve the use of chemical solvents which can create adverse environmental impacts, can affect the quality of the extracted material, and must be carefully used, stored and disposed of.
CO2 is non-toxic and is Generally Regarded As Safe (GRAS) by the FDA for use in food products. Other extraction solvents, such as propane and butane require additional processing beyond the extraction process in order to ensure the product is safe for consumption. With CO2 oil extraction, no toxins, heavy metals or hydrocarbon materials come in contact with the extracted oils.
CO2 is non-flammable. It does not require costly explosion proof facilities.
CO2 can extract Cannabis oil at low temperatures minimizing thermal degradation of the plant material and the extracted oil.
CO2 can be adjusted by increasing or decreasing pressures and/or temperatures.
CO2 is inexpensive and readily available.
CO2 is environmentally friendly. It does not contribute to the overall atmospheric CO2 levels.
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