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Details of Grant 

EPSRC Reference: GR/L25653/01
Title: WATER-IN-CO2 MICROEMULSIONS
Principal Investigator: Steytler, Dr D
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Chemistry
Organisation: University of East Anglia
Scheme: Standard Research (Pre-FEC)
Starts: 22 June 1997 Ends: 21 March 2001 Value (£): 55,976
EPSRC Research Topic Classifications:
Gas & Solution Phase Reactions
EPSRC Industrial Sector Classifications:
Related Grants:
Panel History:  
Summary on Grant Application Form
Supercritical fluids (SCFs) have a number of advantages as chemical processing media but there are numerous operational drawbacks, particularly the low solubility of polar compounds. This proposal describes the development and characterisation of new sc-CO2 systems which have potential for overcoming these problems. The solubility of polars in CO2 can be enhanced by using dispersions of nanometer-sized reversed micelles, and/or microemulsion droplets. In order to form surfactant aggregates in sc-CO2 hybrid surfactants must be used: these are di-chained, with separate fluorocarbon and hydrocarbon hydrophobic tails. Owing to the novelty of these systems it is essential to determine fundamental properties of the surfactants and the water-in-CO2 (w/c) microemulsions. This information will be used to optimise the system characteristics for enhancing the solubility levels.
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Organisation Website: http://www.uea.ac.uk