Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1988-03-09
1989-06-06
Wyse, Tom
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210669, 210748, 210760, 210764, 204129, C02F 146
Patent
active
048369292
ABSTRACT:
A process for breaking down organic substances and/or microbes in pretreated feed water for high-purity recirculation systems using ozone which is generated in the anode space (5) of an electrochemical cell (3) and treated with ultraviolet rays and/or with H.sub.2 (8) generated in the cathode space (6) of the same cell (3) or H.sub.2 (20) supplied from outside. The latter is used to reduce elementary oxygen in any form to harmless water. Post treatment via mixed bed (14) and filter (15). Possibility of feeding back water (19) downstream of the receiver (17). No harmful reaction products.
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patent: 3925176 (1975-12-01), Okert
patent: 4179347 (1979-12-01), Krause et al.
patent: 4218315 (1980-08-01), Hortkorn
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patent: 4416747 (1983-11-01), Menth et al.
patent: 4548716 (1985-10-01), Boeve
patent: 4735728 (1988-04-01), Wemhoff
Nebel et al., "Purification of Deionized Water by Oxidation with Ozone," Solid State Technology, vol. 27, No. 10, Oct., 1984, pp. 185-193.
Baumann Hans
Stucki Samuel
BBC Brown Boveri AG
Wyse Tom
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