Applications of Chillers in Cannabis Extraction

Cannabis extraction refers to the extraction of active chemical ingredients such as CBD, THC, Terpenes and Flavonoids from cannabis sativa. They are widely used in many industries such as medical, food and cosmetics.
In the past few decades, cannabis has been classified as an illegal drug by many countries because it contains the hallucinogenic ingredient THC. With the deepening of medical research, more and more countries have begun to legalize medical marijuana. However, the extraction process requires the use of flammable organic solvents such as butane, propane and ethanol, which have the risk of explosion. The use of explosion-proof chillers can provide a safe environment for cannabis extraction.
Application of chillers in solvent cooling
In the process of cannabis extraction using solvents, the separation of active ingredients requires the cannabis to be dissolved in the solvent first. However, butane, propane and ethanol have strong solubility at room temperature, which will dissolve non-target components such as plant wax and fat in cannabis, which will reduce the purity of the extract. Precooling the solvent to a low temperature can reduce the dissolution of impurities and avoid overheating of the reaction. The lower the temperature, the better the effect of removing impurities, but the higher the requirements for the cooling system.
Application of chillers in extraction
During the extraction process, the reaction takes place in a closed extraction chamber. If the reaction temperature is too high, impurities will be dissolved and the active ingredients will be degraded and volatilized. When the temperature is too low, insufficient solvent activity will lead to a decrease in reaction rate and too low extraction efficiency.
Moreover, if the local temperature is too high, the flammable solvent may volatilize and cause an explosion. The chiller can be connected to the jacketed reactor, and the coolant can take away the heat generated in the reaction in time to keep the reaction temperature within the most suitable temperature range.

Application of chillers in solvent recovery
The cost of solvents is high and there are safety risks. After the extraction is completed, the volatile solvent needs to be condensed and recovered. The role of the chiller at this stage is to provide a stable coolant to help quickly cool the solvent vapor into a liquid.
Application of chillers in distillation
After extraction and solvent recovery, the cannabis extract still contains impurities. In order to improve the purity of the essential oil, ingredients such as THC and CBD must be further refined, which is achieved through distillation. The chiller is a key supporting equipment for providing low-temperature cooling. The evaporated target components will quickly liquefy after being cooled and collected in a container. In order to ensure condensation efficiency and reduce losses, a low-temperature chiller with stable temperature control and high precision must be used.
Start using a reliable cannabis chiller
Our experts recommend that you consult a chiller supplier with industry customization experience before purchasing temperature control equipment. LNEYA provides industrial chillers that meet international explosion-proof standards at -150℃~+350℃. Kontakt zu LNEYA and we will tailor a cannabis extraction cooling solution for you.
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