Fact Checked by Doctor NameA closed-loop system in cannabis extraction refers to an enclosed system that recovers and reuses solvents during the extraction process.
Closed-loop systems are considered more advanced and complex than open-blasting methods.
They allow cannabis processors to extract cannabinoids and terpenes efficiently while minimizing waste.
What is a Closed-Loop System?
A sealed and pressurized closed-loop device transfers butane, propane, or CO2 through the cannabis plant material to dissolve trichomes and extract oils.
The solvents pass through the plant matter and are then recovered in a separate vessel rather than evaporating.
The extracted cannabis oils are separated, while the solvents are filtered, purified, and recycled back through the system in a loop to be reused.
This is a more sustainable method than open blasting, which releases solvents into the air.
Closed-loop systems require greater expertise and investment but produce higher yields of quality, concentrated cannabis extracts with no solvent waste.
They also allow for precise temperature and pressure control for optimized extraction.
