Method for treating ETA-containing wastewater

Details Method for treating ETA-containing wastewater Method for treating ETA-containing wastewater

2006-07-25

2006-07-25

Phasge, Arun S. (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic material treatment

Organic

C205S742000, C205S751000

Reexamination Certificate

active

07081194

ABSTRACT:
ETA-containing wastewater discarded from a regenerator of a nuclear power plant with a pressurized water reactor is neutralized with sodium hydroxide to adjust the pH value, metals are precipitated and separated, the wastewater is thereafter supplied to a filtration apparatus and filtered, and then supplied to an electrolyzer to conduct electrolysis and reduce the COD value induced by ETA to below the environmental discharge limit standard value.

REFERENCES:
patent: 4765834 (1988-08-01), Ananthapadmanabhan et al.
patent: 5613239 (1997-03-01), Obinata et al.
patent: 5832393 (1998-11-01), Omata et al.
patent: 09-234471 (1997-09-01), None
patent: 09-239371 (1997-09-01), None
patent: 11-347559 (1999-12-01), None
Machine translation of Japanese Application No. 08-046433 Sep. 9, 1997.

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