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Journal of Undergraduate Research

Keywords

coalescence extraction, solvent extractions, separate liquid

College

Physical and Mathematical Sciences

Department

Chemistry and Biochemistry

Abstract

Solvent extraction is a widely used method of separation in which a given target substance is extracted from a mixture and transported across a liquid-liquid interface into a separate liquid. Typically, the two immiscible liquids are shaken or stirred vigorously to increase contact between the two liquids. This contact is vital to extraction of the target substance and much time and effort is expended in increasing extraction efficiency through improved contact. We have developed a novel method of solvent extraction which makes possible the extraction of large amounts of the target substance in very little time without shaking or other agitation. It exploits the properties of unique liquids which are immiscible with water at room temperature but become completely miscible at elevated temperatures.

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