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What is a Closed Loop Extractor? Private

1 month ago Fashion, Home & Garden Baton Rouge   8 views

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Location: Baton Rouge
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Sanitary pumps are used in the food, agricultural, and pharmaceutical industries to transport liquids and liquid–solids. This chapter provides a guide to sanitary pump selection and use. “Sanitary” means that the pump is cleanable. Sanitation standards for pumps are reviewed. Four classes of sanitary pumps are described and a decision tree for selecting the best class for a given application is introduced. Five application requirements needed for pump selection are outlined: process requirements, product properties, operational requirements, cost, and safety. Installation details and cleaning processes for pump s are assessed.


Sanitary pumps used in high-purity applications such as pharmaceutical processing and biotechnology typically require a level of design that is higher than in most other processing industries. The pumps not only need to transfer product efficiently, but they must also meet strict design and cleanability requirements mandated by the many organizations that establish standards for ultra-clean processing!


The first big question when selecting a pump is: ‘What type of pump do I need?’ To answer that, it helps to understand a little about pump design and consider the various pump styles that are available to fit your application.The extraction/collection tank collects the extracted oil and solvent at the end of the process. The larger the vessel the more trim (raw plant matter) you can process at once. It is not uncommon for a large collection vessel to be the repository of multiple material columns, provided it has enough volume to hold the volume of solvent initially. Once in the collection vessel, the solvent is warmed until it reverts to a gaseous form which can then be removed with a recovery pump such as the Haskel we carry. The extracted oil ("drop off") can then be poured into an external container for further vacuum purge if necessary.

Closed-loop extraction is a method used for extraction of cannabinoids like tetrahydrocannabinol (THC), cannabidiol (CBD), and terpenes from cannabis plant material. This extraction method occurs entirely within a closed vessel, so the hydrocarbon solvent used to extract cannabinoids never makes contact with the outside atmosphere – hence the name “closed loop extractor.”

Extractor kits can also use propane. Propane can be purged easily because of its low boiling temperature and makes a slightly different extraction than butane. However, because propane is much more expensive than butane, it’s common to find closed-loop equipment that works on a blend of butane and propane. Blending butane with propane creates a gas mixture that strips additional terpenes and purges more efficiently than just butane alone.

The Essential Oils Industry Discovery of Closed-Loop Extractors with extractor spool

Essential oil industrial professionals have used closed-loop hydrocarbon extraction since the 1970s. The United States Food and Drug Administration (FDA) considers butane and propane as food-safe ingredients, within certain limits. Hydrocarbon extraction is a popular choice among cannabis industry professionals because it produces a finished product with approximately 90-99% cannabinoids. Hydrocarbon extraction also creates many quality concentrate products from a single extraction, without any further refinement. Thus, hydrocarbons are the most commonly used extraction solvents.Fully contained solvents in closed-loop extraction equipment provides a higher pressure capacity than open-loop extraction equipment. The greater the pressure, the more interface time is available between the hydrocarbon solvent and the cannabis plant material. High pressure allows for the maximum extraction of cannabinoids. Closed-loop systems are more capable of regulating temperature. It’s essential to be able to control the temperature because temperature directly controls the solubility of cannabinoids. 2 lb closed loop extractors also prevent the solvent from being evaporated into the atmosphere and allows the solvent to be used many times without needing to be recharged.


Cost Effective

As their name implies, closed-loop extraction systems are closed. Ideally, no hydrocarbon solvent leaks out into the atmosphere. Equipment operators can continuously reuse the solvent for extraction after extraction. A 1lb closed loop extractor can provide huge savings on solvent purchasing costs for businesses.