Depletion compartment and spacer construction for electrodeioniz

Details Depletion compartment and spacer construction for electrodeioniz Depletion compartment and spacer construction for electrodeioniz

1986-10-01

1988-05-31

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

2041824, 2103216, B01D 1302

Patent

active

047479299

ABSTRACT:
An electrodeionization apparatus is provided for removing ions from liquids. Liquid to be purified is passed through depleting compartments containing mixed anion and cation exchange resin beads while a second liquid is passed through concentrating compartments free of ion exchange resin beads. Ions, under influence of an electrical potential, pass from the depleting compartments into the concentrating compartments through ion permeable membranes. A spacer for each depleting compartment is provided which retains the beads within the compartment, promotes even flow through the compartment and prevents plugging of the compartment inlet by the beads and external foulants.

REFERENCES:
patent: 2891900 (1959-06-01), Kollsman
patent: 2894894 (1959-07-01), Kressman et al.
patent: 3201339 (1965-08-01), Tsunoda et al.
patent: 4437967 (1984-03-01), Sanchez et al.
patent: 4632745 (1986-12-01), Giuffrida et al.

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