Shredding Cannabis Before Co2 Extraction

Why grind your cannabis before co2 extraction

 

High density compaction of the extraction vessel is necessary prior to extraction. With the high pressure of the co2 extraction, you will have blow through if you do not have a dense pack.

Check out the High Tech shredder.

 

https://neo-farms.com/shop/shredders/110-cup-shredder-for-extraction-mm-sizing/

SFE Supercritical Carbon Dioxide.

Let’s quickly examine what SFE is, by looking at what Wikipedia has to say about it, followed by our kicking off our affordable DIY CO2 extractor design project:

Supercritical carbon dioxide

From Wikipedia, the free encyclopedia

SCFE CO2supercriticalpressure

 

 

 

 

 

Standard carbon dioxide pressure-temperature phase diagram  from Wiki, plus another showing the droopy nose normally not shown on [email protected] SCFE charts, but which can be exploited.

Supercritical carbon dioxide is a fluid state of carbon dioxide where it is held at or above its critical temperature and critical pressure.

Carbon dioxide usually behaves as a gas in air at standard temperature and pressure (STP), or as a solid called dry ice when frozen. If the temperature and pressure are both increased from STP to be at or above the critical point for carbon dioxide, it can adopt properties midway between a gas and a liquid. More specifically, it behaves as a supercritical fluid above its critical temperature (31.1 °C) and critical pressure (72.9 atm/7.39 MPa), expanding to fill its container like a gas but with a density like that of a liquid.

Supercritical CO2 is becoming an important commercial and industrial solvent due to its role in chemical extraction in addition to its low toxicity and environmental impact. The relatively low temperature of the process and the stability of CO2 also allows most compounds to be extracted with little damage or denaturing. In addition, the solubility of many extracted compounds in CO2 vary with pressure,[1]permitting selective extractions.

 

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