What is it about?
Our research came to be as a result of conducting biomass hydrolysis with ionic liquids. These solvents, while they have excellent properties conducive to biomass solubility and depolymerization, they suffer of high costs per kg. Therefore, we acknowledged the need for a modified membrane that can selectively separate the expensive solvent from the small molecular reaction products.
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Why is it important?
The challenge comes about from the separation of two molecular species that have very similar molecular weight. Conventional size exclusion would fail to separate these, but here we make use of other surface properties to tweak on selectivity.
Perspectives
Other researches would benefit from reading our work, as it is discusses a separation method that could be applied to other small organic molecules, that are otherwise hard or impossible to separate by size-exclusion only.
Alexandru Avram
University of Arkansas System
Read the Original
This page is a summary of: Polyelectrolyte multilayer modified nanofiltration membranes for the recovery of ionic liquid from dilute aqueous solutions, Journal of Applied Polymer Science, June 2017, Wiley,
DOI: 10.1002/app.45349.
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