Regardless of what sort of cannabis extraction gear you use, most of you are familiar with the different extraction strategies: Solventless (Hashish, rosin press, cold water keif hash, and so on), hydrocarbon (butane), supercritical carbon dioxide, and alcohols. Each and every has its personal benefits and challenges: let’s appear at the pros and cons of each and every.
The oldest extract solution is hashish, created for centuries by actually beating the trichomes off of flowers. Higher high quality material is created, and it retains most of the terpene content material. Having said that, this (and other mechanical separation strategies) are time consuming and tricky to scale, so hash remains a niche marketplace.
The rosin press has grow to be a viable system for midscale processing, and produces higher high quality extracts. The ground flower is placed amongst two adsorbent pads, then subjected to heat and stress. The cannabinoids are melt into the pads, and just after cooling, can be readily peeled off of the adsorbent. Having said that, the downsides are low yields and the considerable manual manipulations needed.
Butane (and propane, and so on.) has gotten a lot of consideration, each as an efficient extraction system, and also as an explosive. A butane extraction can be performed on the low-cost, with only a PVC pipe and a can of lighter fluid. And this low-cost extraction can incredibly effectively kill you. There is no way to safely use butane in a technique open to the atmosphere. The incredibly qualities of the solvent that make it desirable (low viscosity, low boiling point, higher volatility) give rise to the security challenges of a flash point of -60°C and an explosive concentration in air of two-eight%. In addition, hydrocarbons are superb electrical insulators, which also tends to make then superb generators of static charge. Flowing butane although a plastic or glass tube produces static electrical energy, and with no precautions, this will spark and explosively ignite the butane. This is the possibly the root trigger of the several property explosions observed with butane. In order to make a butane method secure, a series of engineering controls are necessary to:
- Inert the technique to air
- Dissipate static electrical energy
- Do away with all ignition sources
- Detect any leaks
- Ventilate the operating location
- Present emergency fire suppression.
These needs substantially improve the cost of your cannabis extraction gear. Even if effectively installed, the unit needs professional consideration to mitigate the explosion danger. Yes, butane can be scaled, and it does deliver good solutions, but the inherent dangers of the hydrocarbon system severely limits it secure use.
Supercritical CO2 is one more well-known system. scCO2 is a superfluid at 73 atmospheres of stress and above 31°C. Right here the danger and expense lie with the higher pressures and the asphyxiation danger of carbon dioxide. All elements should be constructed to withstand the higher stress, and the gear should be in a effectively-ventilated space, in case of leaks. Considering that cannabis extraction is of course performed on organic plant material, batch to batch variations can trigger clogging of the higher-stress lines. This can lead to fast more than pressurization and catastrophic gear failure. The higher pressures also preclude economical scale-up: higher stress vessels are high priced chunks of stainless steel, which swiftly escalate in cost with scale. Ultimately, the extraction solution should be “winterized” to eliminate waxes (scCO2 extracts almost everything). This winterization is performed with ethanol, which begs the query: why use CO2 at all, if you need to have ethanol anyway?
The Escet method just utilizes ethanol, water, and a little quantity of vegetable oil (if preferred). It is run at regular pressures, and is intrinsically secure. Fire hazards are minimal, and there is no opportunity of more than pressurization. The supplies of building are glass and Teflon: no heavy stainless stress vessels or cumbersome engineering controls. The system is rather low-cost, needs small upkeep, and can be set up in a day.
Much more on the Escet method in future posts. If you have any inquiries or need to have assistantance with your legal cannabis enterprise, please do not hesitate to get in touch with us now at (732) 595-8026