Related Experiment Video
Updated: Apr 20, 2026

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure
Published on: April 17, 2018
Hydrogen peroxide concentration by pervaporation of a ternary liquid solution in microfluidics
Iwona Ziemecka1, Benoît Haut, Benoit Scheid
1TIPs, Ecole Polytechnique de Bruxelles, ULB, CP165/67, Avenue F.D. Roosevelt 50, 1050 Bruxelles, Belgium. Iwona.Ziemecka@ulb.ac.be.
Abstract:
Pervaporation in a microfluidic device is performed on liquid ternary solutions of hydrogen peroxide-water-methanol in order to concentrate hydrogen peroxide (H2O2) by removing methanol. The quantitative analysis of the pervaporation of solutions with different initial compositions is performed, varying the operating temperature of the microfluidic device. Experimental results together with a mathematical model of the separation process are used to understand the effect of the operating conditions on the microfluidic device efficiency. The parameters influencing significantly the performance of pervaporation in the microfluidic device are determined and the limitations of the process are discussed. For the analysed system, the operating temperature of the chip has to be below the temperature at which H2O2 decomposes. Therefore, the choice of an adequate reduced operating pressure is required, depending on the expected separation efficiency.
Related Concept Videos
Phase Diagrams of Ternary Systems
Distillation: Vapor–Liquid Equilibria
Nonideal Two-Component Liquid Solutions
Two Components: Liquid–Liquid Systems
Vapor Pressure Lowering
Vapor Pressure of Fluid
When a liquid is placed in a closed container with a small air space, and the space is evacuated, vapor molecules will...

