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Preparation of Binary and Ternary Deep Eutectic Systems
Published on: October 31, 2019
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A novel switchable-hydrophilicity, natural deep eutectic solvent (NaDES)-based system for bio-safe biorefinery
Giorgia Sed1, Agnese Cicci2, Philip G Jessop3
1Dept. Chemical Engineering, Materials, Environment, University "La Sapienza" Via Eudossiana 18 00184 Rome Italy marco.bravi@uniroma1.it.
RSC Advances
|May 13, 2022
Summary
A novel switchable solvent system using natural deep eutectic solvents and amine solutions was developed. This green chemistry approach shows promise for sustainable microalgae biorefining and circular economy applications.
Area of Science:
- Green Chemistry
- Biorefining
- Sustainable Solvents
Background:
- Developing environmentally friendly solvents is crucial for sustainable industrial processes.
- Natural deep eutectic solvents (NaDES) offer a biodegradable and tunable alternative to traditional solvents.
- Microalgae biorefining presents opportunities for valuable product recovery but requires efficient and green extraction methods.
Purpose of the Study:
- To introduce and characterize a novel switchable-hydrophilicity solvent system.
- To evaluate the performance of this system in microalgae biorefining.
- To assess its compatibility with the 'Circular Extraction' scheme for enhanced sustainability.
Main Methods:
- Formulation of a switchable solvent system combining a fatty acid-based NaDES with a dilute amine solution.
- Characterization of the solvent system's switchable hydrophilicity properties.
- Application of the solvent system in a microalgae biorefining process following the 'Circular Extraction' protocol.
Main Results:
- Successful development of a benign switchable solvent system based on natural components.
- Demonstration of the solvent system's efficacy in microalgae biorefining.
- Validation of the system's potential within a circular economy framework.
Conclusions:
- The developed switchable solvent system is a promising green alternative for microalgae processing.
- This approach supports the principles of the circular economy by enabling efficient resource utilization and solvent recyclability.
- Further research can optimize this system for broader industrial applications in biorefining.
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