Issue 20, 2017

Countercurrent liquid–liquid extraction on paper

Abstract

Proof-of-concept is shown for two-phase countercurrent flow on paper. The device consists of two paper layers, one of which has been modified with a sizing agent to be hydrophobic. The layers exhibit different wetting behavior for water and octanol. Both phases dominate wetting in one of the layers and can be made to move in different directions along the interface to achieve liquid–liquid extraction.

Graphical abstract: Countercurrent liquid–liquid extraction on paper

Supplementary files

Article information

Article type
Communication
Submitted
22 Jul 2017
Accepted
06 Sep 2017
First published
22 Sep 2017

Lab Chip, 2017,17, 3401-3404

Countercurrent liquid–liquid extraction on paper

G. IJ. Salentijn, M. Grajewski and E. Verpoorte, Lab Chip, 2017, 17, 3401 DOI: 10.1039/C7LC00770A

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