Related Experiment Videos
Biocatalysis in ionic liquids: batchwise and continuous flow processes using supercritical carbon dioxide as the
Manfred T Reetz1, Wolfgang Wiesenhöfer, Giancarlo Franciò
1Max-Planck-Institut für Kohlenforschung, D-45470 Mülheim/Ruhr, Germany. reetz@mpi-muelheim.mpg.de
Chemical Communications (Cambridge, England)
|July 19, 2002
Summary
A novel green chemistry approach uses supercritical carbon dioxide and ionic liquids for enzyme catalysis. This method allows for solvent-free product isolation and recycling of the enzyme/ionic liquid system.
Area of Science:
- Green Chemistry
- Biocatalysis
- Chemical Engineering
Background:
- Enzymatic reactions often require organic solvents, posing environmental concerns.
- Ionic liquids offer unique properties for biocatalysis but can complicate product separation.
- Supercritical fluids present an alternative reaction medium with tunable properties.
Purpose of the Study:
- To develop an environmentally benign protocol for enzymatic reactions.
- To integrate ionic liquids with supercritical CO2 for enhanced biocatalysis.
- To achieve solvent-free product isolation and system recyclability.
Main Methods:
- Utilized ionic liquids as a medium for enzymatic transformations.
- Employed supercritical carbon dioxide (scCO2) as the mobile phase.
- Investigated the recyclability of the enzyme/ionic liquid system in batch and continuous flow.
Main Results:
- Achieved enzymatic reactions in ionic liquids using scCO2.
- Products were successfully isolated in solvent-free form.
- Demonstrated efficient recycling of the enzyme/ionic liquid mixture for multiple reaction cycles.
Conclusions:
- The developed protocol offers a sustainable and efficient method for biocatalysis.
- Supercritical CO2 facilitates product separation and enzyme/ionic liquid recovery.
- This approach minimizes waste and enhances the economic viability of enzymatic processes.