Device and process for electrodialysis of ultrafiltration...

Details Device and process for electrodialysis of ultrafiltration... Device and process for electrodialysis of ultrafiltration...

2006-09-19

2006-09-19

Phasge, Arun S. (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S627000, C204S640000

Reexamination Certificate

active

07108772

ABSTRACT:
An electrodialysis cell (40) suitable for removal of paint solubilizer from electrocoat paint ultrafilter permeate includes a tubular, non-conductive housing (42), a substantially cylindrical, hollow object electrode (48) in the housing, a substantially cylindrical counter electrode (52) situated within the hollow object electrode, and a tubular ion exchange membrane (50) around the counter electrode but spaced from the counter electrode as well as the object electrode. The counter electrode and the tubular membrane together define an annular electrolyte passageway while the object electrode and the tubular membrane together define an annular ultrafilter permeate passageway. The object electrode-to-counter electrode area ratio is at least about 6.

REFERENCES:
patent: 4105534 (1978-08-01), Beatty, III
patent: 4581111 (1986-04-01), Christenson et al.
patent: 5827416 (1998-10-01), Brown et al.

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