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Graphene-derivatives as nanofillers in polymer membranes for improved molecular separations

Dr Patricia Gorgojo from the University of Manchester will present examples of performance improvement due to graphene oxide in various mixed matrix membranes.

  • 23 Oct 2018, 1.15pm to 23 Oct 2018, 2.05pm BST (GMT +01:00)
  • 9 West, 3.08, University of Bath
  • This event is free

Graphene oxide (GO) and its derivatives are widely investigated for their use as additives in membranes ever since Nair et al. reported unimpeded water permeation through helium leak-tight membranes made from the 2D material. Applications range from small molecular separations such as gas separation (GS) up to filtrations of solutions containing bigger species such as ultrafiltration (UF). When looking at membrane configurations, graphene-like materials can be found in the preparation of dense freestanding membranes via solvent-evaporation methods, integrally skinned asymmetric membranes via phase inversion, thin film nanocomposite membranes via dip-coating techniques, or nanofibrous composite films prepared by electrospinning.

In this seminar, examples of performance improvement due to the presence of GO and functionalized GO nanosheets in various mixed matrix membranes (MMMs) will be presented, being some of the key advantages of using such fillers the retardation of physical aging in glassy polymers, the anti-fouling properties provided for filtrations of aqueous solutions, or an increased surface and bulk porosity and larger mean pore size in porous membranes designed for membrane distillation applications.

Speaker profiles

Dr Patricia Gorgojo is a lecturer in Chemical Engineering in the School of Chemical Engineering and Analytical Science at the University of Manchester since 2014.


9 West, 3.08 University of Bath Claverton Down Bath BA2 7AY United Kingdom


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