![]() Why Do Companies Use CRC?Ĭannabis extraction companies are noticing the numerous benefits afforded by CRC and introducing CRC into the post-processing workflow. These filter media are the final layer of filtration media that help remove the color when all other impurities have been removed.ĭiatomaceous earth is a type of naturally-occurring, soft rock that has a light and powdery consistency. Diatomaceous earth provides extraction technicians with fine filtration. Carbon filters are commonly used with activated silica gel to remove chlorophyll.Īctivated bleaching earth or bentonite clay is used to decolorize a marijuana concentrate. A carbon molecule’s electrostatic attraction draws other molecules. Silica is crucial to removing the very darkest hues in an extract.Īctivated carbon/charcoal is made up of microscopic holes and carbon atoms. Activated silica gel can pick up chlorophyll, carotenoids, and other hydrophilic substances. Silica gel is commonly used to remove polar molecules from petroleum release sites. Below, you’ll find a list of common types of filtration media used in hydrocarbon and ethanol CRC additions and the compounds they target in the crude extract.Īctivated silica gel has adsorbent and desiccant characteristics. The CRC process occurs after extraction and before solvent recovery to purify the final product. A range of adsorbent and absorbent powders and substances such as T5 clay, Magnesol, and silica are used to remove color and impurities in the concentrate. The solvent-based concentrate is then pushed over filtration media that is capable of removing chlorophyll, lipids, xanthophyll, carotene, lycopene, pheophytins, and a variety of toxins.Ĭannabis extraction companies can choose to pack their own color remediation cartridges with filter media. CRC equipment is usually attached between a material column and a collection container. What Is CRC?Ī CRC is a secondary filtration column containing various medias used to filter dark colors out of oils made with hydrocarbons or ethanol extraction systems. A color remediation cartridge/column (CRC) is an additional column in a closed-loop extraction system that can be used for both hydrocarbon and ethanol extraction. extracts anytime soon.In the increasingly innovative cannabis extraction sector, a new method of filtration and purification is winning over the hearts and minds of BHO and ethanol extraction artists. The high was similar to other low-grade B.H.O extracts and deserves recognition for its price alone, however until learning more about the method, I'm good, and will not be purchasing C.R.C. Sounds pretty sketchy to me, but who knows as its passing lab testing in order to be on CA shelves, but then again, so are cigarettes. Using this additional filtration column for BHO, a purely white and even clear extract is coming out of buckets of dark brown shit with consistent results. "The CRC is a secondary column used as a filtration cartridge for hydrocarbon and ethanol extraction systems," states the C.R.C. The butane or CO2 solvent passes through a secondary column that uses a combination of "T5 Clay", "Silica Gel," and "Celpure P1000," otherwise known as commercial fryer grease filtration powder, to help filter solvents and other impurities from the hash oil, according to TrimScene. Through this second-stage extraction-filtering technique called "color remediation," dark hash oil can be drastically lightened in color. tech is a "color remediation column" helping to produce the colorless and white concentrates extracted with chemical solvents and sold in California. Overwhelmed by the taste of papaya fragrance, I threw the rest in my drawer until I could figure out what the hell I was smoking on.Ĭ.R.C. Anyways, I took a big, strange first dab. It's texture looks like real cake-frosting, but lacks the weight or density you would expect. I don't normally stick my finger in a jar of cannabis concentrate (wink-wink), but this stuff was too strange not to touch. It felt like pressing my thumb into densely packed-condensed baking-flour, but leaving almost nothing on my fingers, unlike sticky live-resin. ![]() I compressed it with my fingers until it was about a third of its original size. Playing around with this extract, I was able to compress the chunk of frosting down flat into a puck-like mold in the bottom half of a wide, clear jar. It smelled too good and looked too clean to be sold for half of what live resins go for. I was immediately turned off, stacking price, appearance, and smell. Opening a gram of Papaya Frosting the scent is overpowering with an intense flowery bouquet that my nose read with skeptical delight.
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