Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1988-07-11
1989-10-03
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204301, B01D 1302
Patent
active
048714313
ABSTRACT:
An apparatus containing a multiplicity of two or three chamber units comprising a combination of ion exchange membranes and bipolar membranes with certain of said chambers containing a filler of ion-exchange material. The apparatus can be used to remove weakly ionized substances such as silica from water. The three chamber unit can be further used to pretreat (acidify) water prior to treatment of the water in an electrodialysis or electrodeionization stack.
REFERENCES:
patent: 2815320 (1957-12-01), Kollsman
patent: 2854394 (1958-09-01), Kollsman
patent: 3145061 (1964-09-01), Parsi
patent: 4615780 (1986-10-01), Walker
Ionics Incorporated
Niebling John F.
Saliba Norman E.
Starsiak Jr. John S.
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