Welcome to Closed Loop Extraction 101. By following these guides, you will get a step-by-step understanding of how to operate a simple closed loop hydrocarbon extractor. The material is intended for individuals learning how to perform hydrocarbon extractions, and is the first step to safely operating such instruments.

Hemp Hacker Glossary

Here are a few terms that will help you understand both the extraction process and components of an extractor. Please post your questions or any other terms you’d like to […]

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Closed Loop Extraction Systems (CLS) 101: Extractor Anatomy

The biggest benefit to CLS over open blasting is safety. Operating a CLS safely requires close adherence to procedure and understanding the system you’re working with. This guide is made to […]

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Closed Loop Extraction Systems (CLS) 102: Extractor Plumbing

It is essential to understand the pathways of the different braided stainless steel lines lead to in order to understand the flow of the butane. The best suggestion to learn this, […]

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Closed Loop Extraction Systems (CLS) 103: Vacuum

There are two reasons to vacuum the extractor: 1. create negative pressure to “pull” the butane into the extractor; 2. remove oxygen from the extractor to prevent potential explosive conditions. […]

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Closed Loop Extraction Systems (CLS) 104: Fill with Butane

Once the extractor has reached maximum vacuum and no leaks have been detected, it can be filled with butane. Step 2 – Fill the extractor – open recovery cylinder liquid […]

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Closed Loop Extraction Systems (CLS) 105: Continuous Shower

Continuous showers are the easiest and most efficient way to extract cannabinoids in a CLS. The butane is recycled by being pulled out of the bottom of the collection chamber, […]

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Closed Loop Extraction Systems (CLS) 106: Continuous Shower Shut Down

After the desired amount of time running the continuous shower, the process needs to be shut down. The process can transition directly to the recovery step, but first make sure that […]

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Closed Loop Extraction Systems (CLS) 107: Pull/Push Butane Recovery

After running the continuous shower, the liquid butane is pulled off into the gas phase by the recovery pump and pushed into the liquid phase, which then fills back into the […]

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Closed Loop Extraction Systems (CLS) 108: Extractor Shut Down

Once the extraction collection chamber reaches the desired pressure under vacuum, it’s ready to shut down. Shut down always starts with stopping the flow of butane – i.e. turning off […]

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Closed Loop Extraction Systems (CLS) 109: Extractor Disassembly

When the extractor has been properly shut down, it’s time to disassemble it and reveal the cannabinoid alchemy you’ve performed, turning solid green plant matter into a concentrated liquid gold […]

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