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Electrolytic Membrane Dialysis for Treating Wastewater Streams - Task 1.7.

DE2004828085

Publication Date	2000
Personal Author	Timpe, R. C.
Page Count	16
Abstract	This project will determine whether electrolytic dialysis has promise in the separation of charged particles in an aqueous solution. The ability to selectively move ions from one aqueous solution to another through a semipermeable membrane will be studied as a function of emf, amperage, and particle electrical charge. The ions selected for the study are Cl(sup -) and SO(sub 4)(sup 2-). These ions are of particular interest because of their electrical conduction properties in aqueous solution resulting with their association with the corrosive action of metals. The studies will be performed with commercial membranes on solutions prepared in the laboratory from reagent salts. pH adjustments will be made with dilute reagent acid and base. Specific objectives of the project include testing a selected membrane currently available for electrolytic dialysis, membrane resistance to extreme pH conditions, the effectiveness of separating a mixture of two ions selected on the basis of size, the efficiency of the membranes in separating chloride (Cl(sup 1-)) from sulfate (SO(sub 4)(sup 2-)), and separation efficiency as a function of electromotive force.
Keywords	Aqueous solutions Charged particles Electrodialysis Membranes Waste treatment Streams Waste water Chlorides Mixtures
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	North Dakota Univ., Grand Forks.; National Energy Technology Lab., Pittsburgh, PA.
Supplemental Notes	Sponsored by National Energy Technology Lab., Pittsburgh, PA.
Document Type	Technical Report
Title Note	Final rept. 1 May 99-31 Mar 00.
NTIS Issue Number	200512
Contract Number	DE-FC26-98FT40320

Electrolytic Membrane Dialysis for Treating Wastewater Streams - Task 1.7.

Electrolytic Membrane Dialysis for Treating Wastewater Streams - Task 1.7.
DE2004828085

Publication Date	2000
Personal Author	Timpe, R. C.
Page Count	16
Abstract	This project will determine whether electrolytic dialysis has promise in the separation of charged particles in an aqueous solution. The ability to selectively move ions from one aqueous solution to another through a semipermeable membrane will be studied as a function of emf, amperage, and particle electrical charge. The ions selected for the study are Cl(sup -) and SO(sub 4)(sup 2-). These ions are of particular interest because of their electrical conduction properties in aqueous solution resulting with their association with the corrosive action of metals. The studies will be performed with commercial membranes on solutions prepared in the laboratory from reagent salts. pH adjustments will be made with dilute reagent acid and base. Specific objectives of the project include testing a selected membrane currently available for electrolytic dialysis, membrane resistance to extreme pH conditions, the effectiveness of separating a mixture of two ions selected on the basis of size, the efficiency of the membranes in separating chloride (Cl(sup 1-)) from sulfate (SO(sub 4)(sup 2-)), and separation efficiency as a function of electromotive force.
Keywords	Aqueous solutions Charged particles Electrodialysis Membranes Waste treatment Streams Waste water Chlorides Mixtures
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	North Dakota Univ., Grand Forks.; National Energy Technology Lab., Pittsburgh, PA.
Supplemental Notes	Sponsored by National Energy Technology Lab., Pittsburgh, PA.
Document Type	Technical Report
Title Note	Final rept. 1 May 99-31 Mar 00.
NTIS Issue Number	200512
Contract Number	DE-FC26-98FT40320