Product Releases

Pilot Scale Supercritical Extractor

Fri, 06/20/2014 - 1:00am
Nikita Ernst, Associate Editor

Supercritical Fluid Technologies (SFT) is pleased to introduce a new pilot scale supercritical extractor for the processing of natural products. The SFT-NPX-10 is designed to simplify extraction for a wide variety of natural products utilizing safe, efficient carbon dioxide. It may be used to facilitate the transition from laboratory scale equipment to large production scale systems. While the supercritical fluid possesses many of the same characteristics of a liquid solvent, it adds the benefits of high diffusivity and ”pressure tunable” solvency power.  Additionally, no residual solvents are in either the extract or remaining biomass. There is no need to perform a distillation step since, upon dropping pressure, the CO2 becomes a gas. The extracted material is pure and in its natural state. The CO2 may be safely vented or optionally recycled for even greater efficiency. Since the solvency power of the fluid is pressure dependent, it is possible to “fractionate” to obtain multiple compositions from a single raw material. The SFT-NPX-10 is designed to perform supercritical fluid extractions in processing vessels of 20 liter capacity and below with single or dual separators. A Coriolis mass flow meter guarantees precise mass flow measurement. A pneumatic CO2 pump with an integral pre-chiller is used to maximize pumping efficiency. A programmable controller is available as an upgrade for automated regulation of pressure, temperature and process cycles. A carbon dioxide recycle option is available.


Supercritical Fluid Technologies


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