Solute–membrane interactions in hyperfiltration

Chen, J.-Y.; Pusch, Wolfgang

doi:10.1002/app.1987.070330532

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Solute–membrane interactions in hyperfiltration

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Chen, J.-Y.
Department of Physical Chemistry, Max Planck Institute of Biophysics, Max Planck Society;
Dalian Institute of Chemical Physics, Dalian, People’s Republic of China;

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Pusch, Wolfgang
Department of Physical Chemistry, Max Planck Institute of Biophysics, Max Planck Society;

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Citation

Chen, J.-Y., & Pusch, W. (1987). Solute–membrane interactions in hyperfiltration. Journal of Applied Polymer Science, 33(5), 1809-1822. doi:10.1002/app.1987.070330532.

Cite as: https://hdl.handle.net/21.11116/0000-0009-80C3-9

Abstract

The performances of several composite membranes (PEC-1000, Teijin, HR-95, HR-98) and one asymmetric membrane (Solrox SC-200) in hyperfiltration are compared at 25°C using different aqueous feed solutions (0.1M and 0.5M NaCl, 0.5M 1,3-and 1,4-dioxan, 0.1M benzyl alcohol and 2-methoxybenzyl alcohol, 1,2- and 1,4-butandiol, and Triton feed solution). The effects of solute dissociation, polarization, and hydrogen bonding ability on solute permeability are discussed; steric effects are also being considered. Strong solute–membrane interactions are exhibited in hyperfiltration by systems with distinct hydrogen bonding capabilities of the solute with functional sites of the membrane matrix. Knowledge of solute–membrane interactions can be useful for elaborating separation and transport mechanisms.