Closed-loop extraction system

Closed-loop Extraction recycles hydrocarbon solvent or CO2 in a closed system, without releasing gas into the air. This process usually refers to butane or propane extraction and is much safer than open blasting. In fact, it is law Colorado concentrate producers to use this technique.

Related Terms

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  • O
  • Open Blasting
    Open-Blasting is the process of solvent based extraction without closed-loop ventilation. This is typically undergone in a glass or metal tube and is considered relatively unsafe. Read More
  • P
  • PLE
    Pressurized Liquid Extraction, or PLE, is a method that utilizes pressurized solvents at elevated temperatures to extract compounds from plant material, including cannabis. Read More
  • PPM
    Parts Per Million or PPM is a standard measurement of residual solvents. It is also used to measure the the presence of mold or other pesticides. Read More