Supercritical Fluids and Their Application
A special issue of Molecules (ISSN 1420-3049).
Deadline for manuscript submissions: closed (31 March 2020) | Viewed by 2979
Special Issue Editor
Interests: phase equilibrium data; transport properties; extractions; particle formation; product formulation; biochemical reactions in supercritical fluids; hydrothermal conversation of biomass
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Sub- and supercritical fluids are excellent solvents with special thermodynamic and transport properties for different applications. Because the critical point of majority of substances is at elevated pressure and/or temperature, the research and applications were mostly developed recently.
High-pressure technologies involving sub- and supercritical fluids offer the possibility to obtain new products with special characteristics or to design new processes, which are environmentally friendly and sustainable. By using high pressure as a processing tool, one can also avoid the legal limitations for solvent residues and restrictions on use of conventional solvents in chemical processes. Supercritical fluids are already applied in several processes developed to commercial scale in the pharmaceutical, food, and textile industries. Extraction of valuable compounds from plant materials and their “in situ” formulation in products with specific properties is one of the very promising applications of high-pressure technology. Particle formation using supercritical fluids may overcome the drawbacks of conventional particle size reduction processes. Because of their unique thermodynamic and fluid–dynamic properties, dense gases can also be used for impregnation of solid particles, particle coating, foaming, etc. Supercritical impregnation into aerogels using supercritical carbon dioxide is a great way to improve the dissolution and bioavailability of poorly water-soluble drugs. Several chemical and biochemical reactions performed in supercritical fluids have already been implemented at industrial scale to obtain products with high added value. The use of supercritical fluids as heat carriers is a newly emerging field.
This Special Issue aims to provide a broad survey of recent advances in research and applications of supercritical fluids. This Special Issue will contain contributions describing present recent research and future expected developments in the field of sub- and supercritical fluids. Especially welcome are reviews articles by experts with the state of the art of application of supercritical fluids at industrial scale.
Prof. Dr. Zeljko Knez,
Assoc. Member Slov.Acad.Sci.&Arts,
Member Eu.Acad.Sci.&Arts,
Member Cro. Acad. Eng.
Guest Editor
Manuscript Submission Information
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Keywords
- Thermodynamics
- Extraction
- Fractionation
- Particle formation
- Product formulation
- Chemical and biochemical reactions in/with supercritical fluids
- Drying
- Materials
- Products
