Closed Loop Extractors

What is a Closed loop extractor?

Closed loop extractors

Whether you’ve heard about a closed loop extraction or not, you must be aware of the concentrates it creates, such as wax, shatter, and resin. However, while you might understand what hydrocarbon extraction is, you may not have a great idea of how the system works.

A closed-loop extraction evolved immensely over the years and is a bonus for anyone to understand. Closed loop refers to a control system where the output affects input to modulate the system behavior.

For instance, an automatic iron is considered a closed loop extractor system since it sends a signal to the iron to stop heating when it reaches the desired temperature. It utilizes automated feedback and has become increasingly popular among commercial entrepreneurs to allow precision, control, and stability.

How does Closed loop extraction work?

Closed-loop extraction automates time, pressure, and temperature based on a solvent and a product. Solvent and other materials are protected in an enclosure from their surroundings and re-circulated for continued use.

Closed-loop extraction is often referred to as” untouchable air.” This is because the solvent never comes in contact with the outside. Instead, it’s sprayed inside the containment chamber, vacuumed, and returned into the solvent tank. As a result, enclosing toxic and flammable content is much safer than other alternatives, and its circular recycling process defines the closed-loop system.

An enormous health and environmental advance, a closed-loop extractor is often used to extract and concentrate products in chemical, biochemical, and commercial fields. Professionals often use butane, propane, or both as the washing solvent to remove substances from sample materials in the extraction process.

How to use a closed-loop extractor?

Now that you understand the basics behind closed-loop extraction let’s dive into the specifics.

A closed-loop extractor is a device that extracts solutions from a solid substance. This system requires several pieces of equipment, all of which coordinate for solvent extraction.

The entire system of a closed-loop extractor mainly consists of three parts: a solvent tank, a material column, and a receiving foundation. The system is broken down into basics of anatomy, setup, and the mechanics of the closed-loop system.

  1. Primary extraction: A cold and pressurized solvent moves from the solvent tank into the material column, where it washes over the materials. The closed-loop system repeatedly soaks the material column with ethanol or other solvents.
  2. Distillation: After the wash, the vacuum and recovery pump pushing and pulling gas through the extraction cylinder will refine the concentrate. The duration and technique depend on your desired end product.
  3. Extraction and concentrate collection: The mixture is transferred, and the solvent is pushed back into the solvent tank. The substances extracted will be saved in the bottom container for users. Once the purge is complete, the operator collects the concentrate, and the solvent can be recycled several times.

A closed-loop extractor is safer, more efficient, and more capable of producing high-end products. There are no opportunities for leaks, a higher pressure capacity, and offers a reusable solvent without needing to be recharged.

Mini closed loop extractor

Mini closed loop extractors are made of stainless steel and have the primary purpose of extracting solvents from solid substances.

Thanks to the tightness of this innovative system, we can perform several extractions with the same load of solvent. Extremely environmentally friendly, its many advantages are recycling and the re-use of gas.

A closed-loop extractor provides enormous savings on purchase costs and has unrivaled pressure and temperature control. With a mini closed-loop extractor, you are sure to produce the strongest and purest concentrate on the market!

Closed loop extractor for sale in Canada

North Stills is the top supplier for all your distilling needs. Contact us today to get your stills up and running today.


Alchimia 20. (n.d.) Herborizer Mini Closed Loop BHO extractor

Precision Extraction Solutions. (February 17th, 2020) What is a Closed Loop Extractor?

Summit Research (December 9th, 2016). Closed Loop Extractor 101 : The Basics

Lance Griffin – Extraction Magazine (July 7, 2019). Closed-loop Extraction: Basics

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