Electrodialysis

Two 2D models of non-stationary and non-isothermal transfer of a strong binary electrolyte in a rectangular electrodialysis desalination cell formed by anion- and cation-exchange membranes are developed. Both gravitational and forced convection occurring in underlimiting current mode are taken into

Studies have been performed on removal of fluoride from Moroccan groundwater by electrodialysis in continuous operation using a pilot plant. The performances of two anion exchange membranes were compared. An optimisation of electrodialysis operation was carried out for various experimental condition

Electrodialysis (ED) was applied to concentrate brine solutions of various concentrations — similar to effluents from the desalination of brackish and industrial water — to about 20%. The consequent reduction in effluent volumes would facilitate a reduction in disposal costs. The energy requirement

As the preparation of interpolyme- type anion-exchange membranes involves several steps and the use of hazardous chemicals such as chloromethyl ether and trimethyl amine, it was envisaged to prepare heterogeneous anion-exchange membranes through a simple technique involving casting of a solution con

The application of electrodialysis technology in demineralization of glutamine fermentation broth was studied. We used the one-dimension Nernst–Planck equation to describe the process of demineralization of the glutamine fermentation broth system, did the theoretical calculation on the demineralizat

The feasibility of the removal of Ag+ ions in a model solution and a sample of rinse water provided from an industrial plating plant was investigated in a batch electrodialysis system. The experiments were carried out using two different types of ion-exchange membranes. The effects of applied potent

We studied the elimination of fluorides from underground water by adsorption on chitosan followed by e lectrodialysis with the help of the CMX-ACS membranes, After determining the optimal conditions of the defluorudation of a synthetic water by the chitosan extract from the chitin of the pink shrimp

The simultaneous recovery of trivalent and tetravalent chromium ions through charged ion-exchange membranes by using three detachable cells was tested at different current densities. The effect of mono- and divalent valence ions corresponding to trivalent and hexavalent chromium ions in the feed pha

A brackish water desalination plant in California that incorporates RO, NF, and EDR units was analyzed thermodynamically using actual plant operation data. Exergy flow rates were evaluated throughout the plant, and the exergy flow diagrams were prepared. The rates of exergy destruction and their per