Past, Present, and Possible Future Applications of Supercritical Fluid Extraction Technology

While the research and industrial communities are wholehartedly embracing the use of supercritical fluid extraction (SFE) technology, little has been written about it in undergraduate texts or in educational journals such as the Journal of Chemical Education . The supercritical phenomenon of fluids...

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Bibliographic Details
Published in:Journal of chemical education 1996-12, Vol.73 (12), p.1163
Main Authors: Phelps, Cindy L, Smart, Neil G, Wai, C. M
Format: Article
Language:English
Subjects:
Bands
Caffeine
Carbon dioxide
Chemistry
Chromatography
Climate
Coffee
Fluids
Gases
Inhalants
Mass transport
Organic Chemistry
Organic solvents
Scientific Concepts
Silica
Solvents
Supercritical fluids
Temperature
Viscosity
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Summary:While the research and industrial communities are wholehartedly embracing the use of supercritical fluid extraction (SFE) technology, little has been written about it in undergraduate texts or in educational journals such as the Journal of Chemical Education . The supercritical phenomenon of fluids was first discovered in the early 1800's by the Frenchman Baron Charles Cagniard de la Tour, but the significance and practical application of his discovery have only recently been recognized and achieved. This article presents a general overview of the principles of SFE and describes the instrumentation necessary to carry out an extraction using a supercirtical fluid. The reader will also gain insight into the types of research currently being conducted using supercritical fluids as either processing solvents or as reaction constituents and matrices. Because carbon dioxide is the supercritical fluid of choice for many procedures, its use and modification for specific solutes is covered in some detail.
ISSN:0021-9584
1938-1328
DOI:10.1021/ed073p1163