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Redesigned Supercritical Fluid Extractor Allows Precise Flow Control

Tue, 02/15/2011 - 11:52am
Redesigned Supercritical Fluid Extractor Allows Precise Flow ControlBooth 2749. Supercritical Fluid Technologies' benchtop supercritical fluid extractor (SFE), the model SFT-110, builds upon the strengths of the SFT-100. The completely redesigned restrictor valve with integrated micrometer allows for very precise flow control, which is essential for demanding applications. A completely removable oven lid and large side panel allow the user easy access to the high pressure vessel. An indicator light on the pump module alerts the user to proper operation of the Peltier pre-cooler, ensuring CO2 is maintained in the liquid state. A robust outlet from the restrictor ensures that users will not accidently damage the outlet tube when inserting it into the collection container.

Supercritical fluid extraction has become a popular alternative to traditional extraction methods that use organic solvents. Fast, efficient extraction of a variety of materials may be achieved using supercritical carbon dioxide. The SFE is well-suited for both research and process development applications. Precise control of temperature, pressure, and flow rate is essential for successful, reproducible extractions. The use of dual sapphire syringe pump technology, integrated pre-heaters, and precise flow control provides the precision required to achieve these goals. Process parameters developed in the laboratory are the key to the successful scale-up to pilot or production scale equipment.
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