Article | REF: N500 V1

Sustainable membrane fabrication: contribution of biobased and/or biodegradable polymers

Authors: Patrick LOULERGUE, Jean-Luc AUDIC, Lydie PAUGAM, Anthony SZYMCZYK

Publication date: August 10, 2023

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1. Filtration membranes for liquid phase separations

According to the International Union of Pure and Applied Chemistry (IUPAC), a synthetic membrane (as opposed to biological membranes) can be defined as "a structure with lateral dimensions much greater than its thickness, through which a transfer of matter can take place under the action of driving forces of different kinds" .

A membrane is generally used to separate a feed fluid into two distinct fractions: a retentate/concentrate and a permeate (figure 1 ). A separation...

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Filtration membranes for liquid phase separations
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