The stability of supported liquid membranes


Neplenbroek, A.M. and Bargeman, D. and Smolders, C.A. (1990) The stability of supported liquid membranes. Desalination, 79 (2-3). pp. 303-312. ISSN 0011-9164

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Abstract:In this paper a new hypothesis about the instability mechanism of SLMs will be discussed: emulsion formation induced by lateral shear forces. Experimental results show that a water phase with a low salt concentration which flows along the membrane interface causes the removal of both solvent and carrier from the membrane. There is a significant correlation between the instability of the liquid membrane and the stability of emulsions formed with the same system. Therefore, the development of stable SLMs needs conditions in which formation of relatively stable emulsions is prevented. This can be realized by gelation of the liquid membrane. A gel network was created in the pores of the membrane in such a way that the permeability is not decreased while the stability increases to values which are very promising.
Item Type:Article
Copyright:© 1990 Elsevier Science
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Metis ID: 105614