5 Ways of Cannabis Extraction Process

Apparatus for distillation on background and ready for use oil in container
Dr. George Stantchev
Dr. George Stantchev

PHD, MBA, MSEE, Entrepreneur and CEO of most innovative extraction technology company

Some standard unique methods of cannabis extraction are alcohol, butane, CO2, water, and ethanol. All of these solvents help in separating cannabinoids from the cannabis plant. Each extraction method is unique and has its benefit, but the goal of each is to produce a highly potent end product.

Cannabis pure or not pure extracts are beneficial because extraction permits:

  • Bigger cannabinoid purity
  • Accurate dosing
  • More stronger and longer-lasting concentrates

The most common usual cannabis extraction methods are:


Butane honey oil (BHO) extraction has been really highly researched and is used substantially in the food and perfume industry. The exact extraction method needs cannabis to be placed in a container before butane is slowly sprayed on cannabis to begin the extraction process.

The butane and the main cannabinoids are collected in another container.

Then, the main mixture must be left to evaporate, or a vacuum oven can also be used to remove the entire full butane from the cross. BHO extraction is really hazardous due to the high flammability of the substance, but closed-loop systems have made BHO extraction more and more prudent.

When the BHO extraction full method is used, the THC part of it remains around 80%.


CO2 extractions are a non-toxic, eco-friendly methods of segregating the main cannabinoids from the whole cannabis plant. The exact extraction method leaves no traces of toxins behind and is additionally fully used in the following industries:

  • Beer
  • Coffee
  • Fruit extracts
  • Tea

The process is simple. 1st, supercritical CO2 is heated and passed through the whole cannabis buds. Then, the liquid part will pass through a separator to help remove the CO2 gas from the trichomes and main terpenes.

As an eco-friendly method, the main gas is pushed through a condenser. Now, the gas gets really permitted to liquefy again and be recycled. Thus, it can be utilized for the exact extraction process in the future.

CO2 extraction requires a really precise instruments. However, it is an excellent method for making waxes and oils.


Cannabis producers are initiating to use of ethanol extraction systems more frequently. It is a safer, cheaper, and faster extraction process. Ethanol is more than often used as a food preservative and is considered “generally safe” by the Food and Drug Administration in the States.

The cannabis plant is poured in ethanol to extract the whole THC.

The product is put through a fine refining process as soon it is extracted. It intensifies the whole purity of the product. Ethanol part will remove undesired compounds from the substance and will produce one of the best tasting and purest concentrates of extract available.

The main objective of ethanol extraction is to ensure that the product is adequately refined.


Water extraction actually utilizes a solvent-free process of extraction that immerses the whole cannabis plant in freezing water. The plant is then stirred in the cold water this causing the trichomes to separate from the main plant.

Once the trichomes get fully separated from the plant, they pass through screens.

The end product has 51% to 71% THC levels.


Isopropyl alcohol is necessary for this extraction method. Dried cannabis flowers are submerged in alcohol and then shaken gently. Isopropyl throws the trichomes from the plant.

pouring cbd oil in a jarThe mixture is drained into a dish, and then the solvent is removed using a vacuum oven. The vacuum oven keeps temperatures below 181 degrees. When the solvent evaporates, the remaining substance that we get is a THC-rich oil.

An Israeli startup is also working on a new fully automated oil extraction process. This process uses algorithmic extraction to exploit temperatures to extract cannabinoids and terpenes. That too without losing some of the plant’s properties along the way.

All extracts should be appropriately stored and cooled to preserve shelf life and quality.

Our cannabis extraction chillers permit precision temperature control after the extraction process. On chilling properly, THC-A and CBD-A remain inactive. Chillers facilitate these chief molecules to remain inert and unaffected by heat.
We understand that the cannabis extraction process needs to be followed with accurate chilling. Contact us for cheap extraction equipment for sale.


So far we have seen that almost any extraction method is either running at higher pressure and temperature extracting the solvent or has to be run at really low temperatures avoiding drawing fats, chlorophylls and lipids. This process harms the final liquid and eliminates the properties of some of the good natural ingredients of the cannabis plant. Our Pure5™ company found a better option that does not require putting the solvent in extreme conditions to extract them and its R134a extraction. It allows the final solvent to include all of the cannabinoid terpenes. Pure5™‘s extraction deliver the full spectrum resin with full medical values at the lowest cost available on the market. The Pure5™‘s extraction with R134a is performed only at room temperatures and is able to separate the natural oils from the raw cannabis products in a natural closed loop system.

The tetrafluoroethane gas is only slightly pressurized, and moved through the plant material then recovered in a different separation tank leaving only the full spectrum cannabis oil. This separation method is safe for the human health and is non toxic, FDA & European Union approved it and qualified it as GRAS (Generally Recognized As Safe). Most definitely R134a process is better, safer and cheaper than C02, Ethanol or any of the above extraction types. So if you want to use only the safest, most natural and the cheapest method of extraction – choose Pure5’s equipment. You can find out more about us and the process of Pure5™’s oil production here.

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