hemp

Freeze. Grind. Extract.
Liquid nitrogen or CO2 can improve hemp-CBD quality and yield.

In the fast-growing industrial hemp market, industrial gases can play an important role in growing, harvesting, processing, extraction and packaging. 

hempHarvesting–Flash freezing freshly harvested hemp with liquid nitrogen prior to storage in an Air Products Freshline® IQ tunnel freezer can help prevent biomass degradation or mold while locking in the plant’s rich chemical content.
Flash Freezing  (545 KB)

Processing–During the biomass material preparation process, adding liquid nitrogen to the mill when grinding can eliminate heat and subsequent oil stickiness that causes clogging and downtime. Pre-cooling biomass prior to entering extraction using a PolarFit® screw conveyor provides the ultimate means of temperature control.  

Extraction–Whether it be super critical CO2 or ethanol extraction, we have your needs covered. For ethanol extraction, the ultracold properties of liquid nitrogen can be used to achieve and maintain temperatures in the less than -80⁰C range as a more cost effective and efficient means for more precise extraction. For supercritical CO2 extraction, we can safely and reliably provide CO2 supply systems at your facility. 

Packaging (Modified Atmosphere Packaging, MAP)–Dosing the final package with a small amount of liquid nitrogen can serve as a protective layer from oxidation or moisture effectively blanketing the oils enhancing quality and shelf-life.

Inerting/Blanketing–When working with flammable materials or to keep CBD product fresh, using a nitrogen blanketing system is a paramount best practice for safety and to achieve high-quality product. Keeping oils free from moisture and oxygen via nitrogen blanketing can also help extend shelf-life.

Air Products has been successfully supplying industrial gases to the food and pharmaceutical industries for over 60 years and now applies our expertise to support hemp producers as well. Our team of experts can review your process and help you identify opportunities where liquid nitrogen or CO2 can enhance product quality and shelf-life, increase productivity, and improve safety. We have a state-of-the-art applications lab to test your product, or we can visit your site for field testing. 

Put our experts to the test. Contact us for a free-application analysis at 800-654-4567, press 3 (mention code 12557) or 

contact us

 

Learn More

Process CoolingProcess Cooling Magazine February 2020 article "Cryogenic Cooling Solutions for Compliant Industrial Hemp Processing"

Liquid nitrogen cooling finds use in an array of applications to help industrial hemp processors meet increasing quality, safety, and market demands.




 
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