Coupled Membrane Processes and their Biomimetic Fundamentals

Wódzki, R. and Szepański, P. Coupled Membrane Processes and their Biomimetic Fundamentals Chemical Papers, Vol.54, No. 6b, 2000, 430-436

Document type: Článok z časopisu / Journal Article
Collection: Chemical papers  
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Author(s) Wódzki, R.
Szepański, P.
Title Coupled Membrane Processes and their Biomimetic Fundamentals
Journal name Chemical Papers
Publication date 2000
Year available 2000
Volume number 54
Issue number 6b
ISSN 0366-6352
Start page 430
End page 436
Place of publication Poland
Publisher Versita
Collection year 2000
Language english
Subject 290000 Engineering and Technology
290600 Chemical Engineering
Abstract/Summary The paper deals with liquid membrane transport and separation phenomena that are related to their natural counterparts. Designing of some complex multimembrane hybrid systems and their practical embodiment are presented. Metal cation fluxes and separation characteristics for a simple multimembrane hybrid system (MHS) and its variants such as Donnan dialysis-MHS (DD-MHS) and pervaporation-MHS (PV-MHS) integrated processes are presented and discussed. Experimental studies have been carried out with the use of commercial cation-exchange membranes, a liquid membrane (kerosene with D2EHPA) and the pervaporation membrane (Pervap 1000). The membrane systems were tested and recognized to exhibit selective and stable permeation rates of Zn2+ from multicomponent aqueous solutions containing zinc, calcium, magnesium, sodium, and potassium nitrates.
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