How to Extract Cannabis by A Rotary Evaporator?

Cannabis processors are no need to look for highly sophisticated techniques for cannabis production, all they need is a rotary evaporator, which established in market since 1950. This post is a brief guide on how to extract cannabis by a rotary evaporator.

A rotary evaporator is a scientific instrument used to remove solvents under vacuum. Whether you need bench type(1L to 5L) for small lab or pilot scale(20L or up) for mass production, there always one type suit for you.

ow does rotary evaporator cannabis production works?

As we talked about before, vacuum pump and chiller are the essential corollary equipment for a rotary evaporator. During the cannabis extraction process, the vacuum pump is applied to reduce pressure, the to be removed solvent, rotovap ethanol ’s boiling point is lowered in this case. Normally we fill a half of the volume to the rotary flask , the water bath is heated to 30℃ to 40℃. The chiller is used to reduce temperature for the glass condenser , ideal temperature setting is from -10℃ to 0℃. Then set the rotating speed from 150rpm to 200rpm, and a thin film is created on the upper surface of glass cylinder, it efficiently increase reaction area and so that evaporation rate is enhanced. To get the solvents you want, set the vacuum to achieve an rotovap ethanol vapor temperature of 15℃ to 20℃. During the process of rotovap ethanol evaporation, it will be condensed and collected into a receiving flask at the bottom.

Because cannabis extraction requires lower water bath temperatures to minimize thermal decomposition, a chiller is essential to cool the condenser to -10℃ to 0℃, processors require a chiller with adequate cooing capacity.

Using a rotary evaporator to produce cannabis is a simple and easy method, Lanphan has all the instrument you might need, chiller, vacuum pump, and all kinds of rotovaps. Selecting your favorite one and begin your business today. Contact rotovap@lanphan.com