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Transport through charged ultrafiltration membranes

โœ Scribed by Shoji Kimura; Ikuo Jitsuhara

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
465 KB
Volume
46
Category
Article
ISSN
0011-9164

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โœฆ Synopsis

Ultrafiltration membranes having electric charge, made of sulfonated polysulfone, were manufactured. Two types of membrane having charge density of 1.6 and 0.78 meq/g, and designated as Ml and M2, respectively, were used. Rejections of various molecular weight PEG were first measured by using these membranes and transport parameters, the reflection coefficient and the permeability, were determined. From there values pore radius of each membrane was estimated.

Rejections of various inorganic solutes were next measured and transport parameters were determined as before. Theoretical treatment following the frictional interpretation was developed and used to explain the concentration dependence of transport parameters.

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