What is a Closed Loop Extractor?

What is a Closed Loop Extractor? [url=https://steelerextractors.com/]Sanitary pumps [/url]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. [url=http://www.steelerextractors.com/sanitary-pump/]Sanitary pump[/url]s 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. Each of these categories is distinguished by the mechanics of how they transfer fluids. Pumps in both categories have advantages and disadvantages depending on your high-purity requirements, and both have the necessary hygienic features suitable for high-purity processing. This article will outline the following sanitary pumps for commonly used high-purity applications. Centrifugal Liquid Ring Rotary Lobe Diaphragm Peristaltic Eccentric Disc What is Solvent Extraction? Solvent extraction is the process of diffusing a solvent into oil-bearing cells resulting in a mixed solution of oil and solvent. It is one of the most popular methods of separating oils and fats from oil-bearing materials as opposed to other mechanical processes (such as expellers, hydraulic press, etc...) primarily due to the high percentage of oil recovered which can range upwards of 99%+ as opposed to the 85%+ of other methods. The common solvents of choice range from butane, hexane, and pentane among a handful of others, each of which is favored because of several factors: commercial economics, a low boiling point, and in the case of consumption grade product, a non-toxic impact. Distillation of the resulting oil mixture allows recovery of the alkane hydrocarbons (your "hex/but/propane") to be reused at minimal costs. Solvent Collection Tanks The [url=http://www.steelerextractors.com/extractor-tank/]extraction/collection tank[/url] 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 "[url=http://www.steelerextractors.com/close-loop-extractor/]closed loop extractor[/url]." Closed-loop extraction is not new or unique to the cannabis industry. Industries also use this extraction method to extract essential oils for things like food additives and perfumes. However, in recent years, it has become a widely popular cannabis extraction method. Closed-loop extraction is efficient, produces a clean product, and industry professionals regard it as safer than open-loop, or "open blast", extraction. Solvents for Closed-Loop Extractors Closed-loop extractors use hydrocarbons like butane as solvents to extract cannabinoids. Butane is the most popular solvent in the cannabis industry – It's a non-polar hydrocarbon with a low boiling point ( 31.1°F), which allows for the cold-boiling of any residual solvent from the concentrate and preserves temperature-sensitive terpenes. [url=http://www.steelerextractors.com/extractor-kits/]Extractor[/url] 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. In both open and closed-loop extraction, the initial process is the same. The pressurized solvent (usually butane) is washed over the cannabis plant matter, extracting the desired cannabinoids from the biomass material. In closed-loop extraction, the concentrate is then purged of all solvent in a separate vacuum oven, and then subsequently heated. In open-loop extraction, there is no purge, and some butane residue remains in the concentrate. After the wash, and in closed-loop extraction, purge/heating, the concentrated oil can be collected and further refined. History of Closed-Loop Cannabis extraction is a relatively simple process that people have utilized for centuries. Historical documents describe people consuming cannabis extracted products like tea, hash, or tinctures. Records first mention hash in 12th century Egypt. People traditionally ingested hash until the 16th century, when smoking it gained popularity. Hash arrived in Europe in the 18th century. The science behind cannabis extraction has dramatically evolved, but the reason people extract cannabis remains the same. Cannabis extraction provides a much more potent product and contains more of the desired compounds. Cannabis concentrates are making considerable gains in popularity, including oil. Cannabis oil is a favorite among cannabis users because it is convenient, consistent, and more concentrated. Extraction technology continues to advance as the demand for cannabis products increases, and the legalization of cannabis has spurred research and innovation. The Essential Oils Industry Discovery of Closed-Loop Extractors with [url=http://www.steelerextractors.com/extractor-spool/]extractor spool[/url] 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. Many people initially used open-loop extraction methods for cannabis extraction. It wasn't until recently that cannabis industry professionals adopted a closed-loop methodology to create cannabis concentrates. The development of closed-loop technologies represents a paradigm shift in the way both producers and consumers approach concentrates. Advantages of Closed-Loop Extractors The closed-loop method uses an extractor vessel that is completely closed to the outside atmosphere, so the hydrocarbon solvent used in extraction never comes in contact with the air. The solvent is looped through the system, washing over the cannabis plant material repeatedly. This repeated washing extracts as many cannabinoids as possible. Cannabis industry professionals chose closed-loop extraction systems over open-loop because they are safer, more efficient, cost-effective, and more capable of producing higher quality products. Safer Cannabis industry professionals regard closed-loop extractors as one of the least dangerous ways to extract cannabinoids. Hydrocarbon solvents are flammable, pressurized gases. In a closed-loop system, there are no opportunities for leaks if the equipment is maintained and operated at the appropriate standards. A contained system is safe to operate and approved to OSHA standards. More Efficient 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. [url=http://www.steelerextractors.com/close-loop-extractor/2-lb-closed-loop-extractor/]2 lb closed loop extractor[/url]s 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 [url=http://www.steelerextractors.com/close-loop-extractor/1lb-closed-loop-extractor/]1lb closed loop extractor [/url]can provide huge savings on solvent purchasing costs for businesses. Higher-Quality Product Closed-loop systems offer unrivaled control on pressure and temperature in the system, which results in the ability to produce the strongest, purest cannabis concentrate available. The vacuum purge and heating remove most or all of the solvent's residue, so many consumers also regard the by-products as the safest to consume. Breaking Down The Process The main steps of the closed-loop extraction process are as follows: Quality plant material: Cannabis plant quality directly affects the quality of the finished concentrate, regardless of which extraction method is used. Plant material should be stored in vacuum-sealed bags in a cool, dark place. Proper storage limits exposure to ultraviolet rays, heat, and oxygen, which all degrade cannabinoids. Primary extraction: Cold, pressurized hydrocarbon solvent moves from the solvent tank into the material column, where it washes over the cannabis plant material. The closed-loop system recycles the solvent, so it washes over the cannabis many times repeatedly. This washing dissolves the cannabinoids and terpenes from the cannabis plant material. Refinement of the concentrate: After the wash, the concentrate can be further refined. Which refinement technique you will use will depend on the desired end product. Some common refinement techniques include in-line dewaxing and winterization. Solvent purge and concentrate collection: The concentrate is then purged of all hydrocarbon solvent as the solvent is pushed back into the solvent tank. Purge methods and durations vary depending on what is the goal of the finished product. For example, to create shatter, the concentrate is then put into a vacuum oven for two days, to purge all remaining solvent with low heat slowly. Once the purge is complete, the system operator collects the concentrate. High-Quality Extraction Requires High-Quality Equipment Industry professionals choose Precision's closed-loop extractors for their quality, safety, and precise operation. In fact, concentrates made on Precision Extraction systems have won more awards than any other brand.

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