Deep eutectic solvents: Emerging green solvents
Subject Areas : Environment, economy, engineering, urban planning and sustainable development
Bahram Behnajady
1
(
Materials Engineering Faculty, Advanced Material Research Centre, Sahand University of Technology, Tabriz, Iran
)
Keywords: Solvent, Deep eutectic, Green solvent, Sustainable development,
Abstract :
Sustainable development and the growth of green industries require the adoption of new solvents to replace traditional ones. Conventional solvents are known to be toxic and volatile and pose significant environmental challenges. In recent years, scientists around the world have extensively investigated deep eutectic solvents. This article aims to provide an overview of the history and use of deep eutectic solvents based on published literature in this field. Deep eutectic solvents consist of two or three inexpensive and safe components that are combined to form a eutectic solution with a lower melting temperature than each individual component. Consequently, these solvents typically remain liquid at temperatures below 100°C. Deep eutectic solvents exhibit similar behavior and physicochemical properties to ionic solutions but are more cost-effective and biocompatible. Due to their numerous advantages, extensive studies have been conducted on their preparation, synthesis, as well as their physical and chemical properties. Furthermore, deep eutectic solvents are being investigated for various applications, and their use in fields, such as nanoparticle synthesis, electropolishing, electrodeposition, and metal extraction, is rapidly increasing. Overall, the adoption of deep eutectic solvents offers significant potential for sustainable development and green industry applications due to their favorable properties compared to conventional solvents. Ongoing research continues to expand our understanding of these solvents and explore their diverse applications in various fields.
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