cannabis-distillation

Spinning Band Distillation Specifications

Short Path Distillation Short path distillation is an introductory distillation technique sometimes used in labs in their start up phase. Short path produces usable but lower quality oil often in the 80% cannabinoid range after 2-3 passes. A common problem during short path operation are vacuum leaks which lead to degradation and dark oil. Spinning […]

Cannabis oil extraction

Cannabis Oil Extraction – Crude Oil Extraction   Consumption of cannabis has shifted over the years from smoking the plant to the use of concentrated cannabinoid oils.  Vaping, dabbing, and edibles are becoming the most popular ways to use cannabis oil. These oils which are rich in THC and CBD are made by extracting the […]

wiped film distillation for THC distillate

Spinning Band Distillation Spinning band distillation offers a high efficiency distillation column that can produce 90+% cannabinoid distillate in a single pass. A single pass distillation means you’ll spend a lot less time distilling.   Operation is streamlined. The spinning band acts as dynamic packing.  Condensed oils are pumped back down the column while pure vapors rise […]

THC Distillate Fraction Collector

Spinning band distillation separates the cannabis oil extract according to the boiling points of the components.     Mono-terpenes have the lowest boiling points, so they are collected first.  They can be found in the cold trap receiver due to their low boiling points. Residual ethanol is collected next in the fraction collector followed by […]

Bellows in a spinning band distillation column

Those “things” near bottom of the spinning band distillation column are called bellows.  They function as a flexible expansion joint.  Glass is normally anything but flexible and these bellows are engineered to allow the expansion and contraction over the length of the column. Distillations start at room temperature and goes up to the distillation temperature […]

Inside the distillation of cannabis oil

The spinning band distillation column has a vacuum jacket (like a thermos) to minimize heat loss through the distillation column wall.  The evacuated jacket disrupts heat conduction due to the lack of air (only 10-7 mmHg !). The vacuum jacket has a silver coating on the inside to reflect any radiant heat. Combined with the […]

Potent Distillate header

Spinning band distillation can produce distillate with very high THC/CBD concentrations.  Over 90% THC concentration is typical for a first pass. Some customers are routinely producing 98%+ cannabinoid distillates! How does the spinning band do it?   Distillation separates components by their boiling points.  This is commonly referred to as the “efficiency” of a distillation […]

Decarboxylation diagram

Decarboxylation, AKA Decarbing, is the process of spontaneously converting THCA to THC with heat (approximately 80-120 C).  During decarbing THCA is converted to THC when the carboxylic acid group on THCA is removed liberating a CO2 molecule and leaving THC behind. Decarbing is important because THCA is not psychoactive, but THC is. Other cannabinoids like […]

Crude extract is winterized and filtered

Why Winterize? Proper winterization is an important step in creating a high purity extract. Winterization is the removal of lipids from crude extract. Lipids are fatty acids that are also extracted from the plant. It is typically the next step after extraction. Why winterize to remove lipids? Fats dilute the cannabinoid fraction, lowering the purity […]