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The Clear Choice for Cannabis Distillation Equipment

Pope Scientific’s Wiped-Film Short Path Molecular Stills are recognized as the premier machines in the marijuana industry for cannabis distillation, including hemp oil distillation and terpene recovery after extraction. We have led the way worldwide in high-vacuum molecular distillation and wiped-film evaporation equipment, technology, and processing services since 1975. Final purification of THC and CBD to the highest levels of quality, clarity, yield, and product value are readily performed on Pope equipment.

Scalable from 100 Milliliters/day up to 100 Kilograms/hour

We engineer and manufacture an all-encompassing range of distillation equipment sizes — from small lab duty, up to large industrial production units. Our multistage, stainless steel, fully-turnkey skid-mounted systems serve major cannabis production installations requiring capacities anywhere from 10 kg/hr up to 100 kg/hr.

Excellent results are produced, independent of the extraction method used, and whether or not winterization and/or decarboxylation have been performed. Distillate product is optically-clear light-yellow, and separated away from dark residue, chlorophyll, heavy waxes, sugars and salts. THC distillation and CBD distillation produce high value clear shatter or dab, and fine oils for vape and edibles. Terpenes isolation and collection is also possible.

Our classic 2″ Wiped-Film Evaporators [WFE] are found in hundreds of industrial and academic labs, and now have become the most popular post-extraction distillation system for startup cannabinoid processing companies. These systems are typically used to distill from 100 ml/day up to 2 liters/day. Our larger standard glass 4″ and 6″ models are being utilized for greater throughput and are available for up to 5 and 10 liters/day. All Pope Scientific equipment is proudly made in the USA.

Note: For optimal understanding and orientation, it is highly recommended the F.A.Q. section be read completely prior to other sections.


Cannabis & Tech Today interview with Pope Scientific Process/Sales Engineer Ben Kultgen

Pope 6” still in operation starting at 24:35

Pope 2” still in operation starting at 1:50

Distillation equipment shown from 25:25 - 26:08 is a Pope Scientific 2" Molecular Still System

BAS Research Featured on Dr. Oz. Using Pope Distillation Equipment. Shown at 3:15 is a Pope Scientific 2" Molecular Still System.

Chris Fertnig, Process & Sales Engineer at Pope Scientific, explains post-extraction distillation at MJBizConNEXT.



  • Is molecular distillation similar to extraction?
  • Are solvents required for the process?
  • What advantages does a Pope wiped film molecular still [WFMS] offer?
  • Is this a fractional distiller, a short path still or a rotovap?

You’ve got questions about cannabis distillation. We’ve got the answers…and the solutions.


How It Works

When further post-extraction purification of THC and/or CBD for product purity and clarity is needed, distillation is a good choice because the mixture contains components with different boiling points. However, the components are heat sensitive as well as viscous.

The Pope continuous-flow technique is superior to batch because it utilizes high vacuum to decrease evaporation temperatures, plus efficient wiper blades and short residence time (seconds) to decrease heat exposure.

One pass typically distills off any remaining volatile solvents, water and gases, and another pass distills off and collects the main product—normally THC distillate or CBD distillate. Other passes can be performed for terpene removal.


Pope Nutsche Filter-Dryers are known and used worldwide for critical high purity separations of liquids and solids; and are now being used in the cannabis industry.

With this separation being a critical operation because it is often the final step in the entire manufacturing process, our Nutsches are preferred—proven for CBD crystalizing isolation to 99+%

In this cannabinoid application, as in most applications, the remaining solid is the valued product—highly pure crystals from reaction and precipitation. This CBD isolate or extract is cannabidiol in its purest form, with additional cannabinoids like THC, terpenes, and plant components stripped out.

Pope’s designs are available in lab bench through pilot plant and production scale, in volumes from 0.2 through 1000 liters.

Summer Distillation Equipment Promotion

Pope Distillation Equipment Promotion

We’ve all been impacted by Covid-19 in one way or another. Everyone has had to pivot their business plans and the way we work in general. With that in mind, we understand the push to keep going and get back to production. We want to help where we can. To support businesses, we’re offering a 10% discount off our Standard 6” Wiped-Film Molecular Distillation systems. In addition, we are offering a 5% discount on all standard in-stock parts, standard 2”, 4” Wiped-Film Molecular Distillation systems, and 6”, 9” and 12” size Turnkey Multistage Wiped-Film Distillation systems.

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Up to 96% Purity

Pope distillation stills to purify cannabinoids are currently being used in the United States and overseas by cannabis startups and collectives, mid and larger size firms, research labs and pharmaceutical companies.

Pope Cannabis Distillation