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Continuous separation and concentration of microgels
 
This project investigates membrane filtration processes for the concentration, purification and separation of microgels: in particular, it focuses on the interaction of hydrodynamic conditions, membrane porosity and colloidal interactions. The first funding period has established (a) analytic methods of calculating transport properties in concentrated suspensions, (b) a theoretical framework for membrane ultrafiltration (UF) of nonionic microgels, as well as (c) practical membrane filtration processes, and (d) and (e) new rigorous techniques for real-time visualization of particle deposition on the surface of porous membranes and within the pores. In (e), we also shortly summarize the imaging of hollow-fiber filtration by an optimized pulsed sequence NMR method. The NMR activities will not be pursued in the second period.
 
Principle Investigators:
 
Wessling, Matthias, Prof. Dr.-Ing.
Chair of Chemical Process Engineering (AVT/CVT)
RWTH Aachen University
+49 241 80 95470
matthias.wessling@avt.rwth-aachen.de
 
Nägele, Gerhard, Prof. Dr. rer. nat.
Institute of Complex Systems (ICS-3)
Research Centre Jülich
+49 2461 612504
g.naegele@fz-juelich.de
 
Dhont, Jan K. G., Prof. Dr. rer. nat.
Institute of Complex Systems (ICS-3)
Research Centre Jülich
+49 2461 612160
j.k.g.dhont@fz-juelich.de