Process flow diagram

Process description

1. A milled grass (or whatever) in linen bags is contained into the extractor (3), and extractor is hermetically closed.
2. CO2 from the attached source balloon (5) is feed to the storage balloon (2) via condenser (1).
3. By opening some system taps, a liquid CO2 starts to flow down from storage (2) to evaporator (4) through extractor (3). Flowing through the grass (or whatever) in the extractor, liquid CO2 dissolves the lipophilic part of a plant. This lipophilic part, dissolved in CO2 (co-called “micelle”), is got to evaporator.
4. Evaporator divides a micelle into CO2 gas and extract.
5. CO2 gas goes back from evaporator to storage through condenser, while extract stays in evaporator.
6. The process repeats again from item 3, in a closed loop, for some hours. The dissolve agent is carbon dioxide (CO2), widely used in food industry.
7. After extraction process is finished, CO2 circulation process is stopped by closing some system taps. Now extract (slurred), accumulated in the evaporator, can be let out to receive container.
8. The gas from the extractor (3) is moved to the storage (2). After that, extractor can be opened and bags with exhausted raw material can be changed to new ones.

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