A Multistep, Multicomponent Extraction and Separation Microfluidic Route to Recycle Water-Miscible Ionic Liquid Solvents
Bin Pan,
Lanja R. Karadaghi,
Richard L. Brutchey
et al.
Abstract:Recycling ionic liquid (IL) solvents can reduce the lifecycle cost of these expensive solvents. Liquid−liquid extraction is the most straightforward approach to purify IL solvents and is typically performed with an immiscible washing agent (e.g., water). Herein, we describe a recycling route for water-miscible ILs in which direct recycling is usually challenging. We use hydrophobic ILs as accommodating agents to draw the watermiscible IL from the aqueous washing stream. A biphasic slug flow of the mixed ILs an… Show more
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