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The removal of solutes from organic solvents using nanofiltration

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conference contribution
posted on 07.08.2009, 12:27 by J.P. Robinson, E.S. Tarleton
Transport mechanisms and process limitations are relatively well understood for aqueous nanofiltration systems. Much work has also been done on the use of membranes for the removal of suspended matter from organic solvents. The removal of organic solute compounds from organic solvents using membrane technology has been addressed by very few workers, and little is known of the fundamental transport and separation mechanisms. A dense polydimethylsiloxane (PDMS) composite membrane was used to assess the flux and separation performance of a range of organic solute compounds and organic solvents. Solvent flux was modelled with the Hagen- Poisuelle equation and found to fit the model well, with swelling effects being the most likely cause of some deviations. The effect of solvent type and membrane swelling on solute rejection is discussed.



  • Aeronautical, Automotive, Chemical and Materials Engineering


  • Chemical Engineering


ROBINSON, J.P. and TARLETON, E.S., 2004. The removal of solutes from organic solvents using nanofiltration. Proc. Innovations in Filtration and Separation Conference, Paper 7, The Filtration Society, Loughborough.


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