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An Insight into the Ethanol Extraction Process

Herb concentrate extraction uses ethanol as one of the several solvents. While butane and propane are also used, ethanol is the most preferred hydrocarbon for the process. This is simply because ethanol being less volatile and dangerous than other options.

JessicaBeak
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An Insight into the Ethanol Extraction Process

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  1. An Insight into the Ethanol Extraction Process Herb concentrate extraction uses ethanol as one of the several solvents. While butane and propane are also used, ethanol is the most preferred hydrocarbon for the process. This is simply because ethanol being less volatile and dangerous than other options. When a solvent is used for herb concentrate extraction, it is soaked in the solvent and the unwanted plant material is removed. Later on liquid is filtered and the solvent is removed via evaporation. One of the major challenges with ethanol extraction is that ethanol as the solvent is the polarity – that means it easily mixes with water and dissolved chlorophyll and other water soluble components of the plant. Removing chlorophyll from the extract is an additional and important task so that the end product doesn’t have a bitter flavor. Ethanol extraction can be performed at normal atmospheric pressure under controlled temperature. The main concern here is the flammable nature of ethanol that makes is highly dangerous to use. And this is also the reason why handling ethanol takes time. The positive side of this process is that there’s nothing to worry about toxic residuals in the final product. In addition, it allows extraction of more than one component with much ease.

  2. Steps of the process: Extraction of unwanted material The ultimate goal of ethanol extraction is to extract as much concentrate in one gram of herb as possible. As ethanol is a polar solvent, herb must be dried in a vacuum oven. Now companies have invented methods that remove almost 100% of residual ethanol. Winterization The process is used to remove remaining alcohol by freezing the product at a temperature of as low as -32 degrees Fahrenheit. Filtration This is the final process to get a solvent free product through the process of distillation. Ethanol extraction is one of the widely used methods to product herb concentrates. Necessary equipment is easily available online on Rosin Power. Source URL: https://bit.ly/2OTJFx3

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