Title:
REGENERATION TREATMENT METHOD FOR WASTE WATER
Document Type and Number:
Japanese Patent JP2006087991
Kind Code:
A
Abstract:
To provide an efficient regeneration treatment method for various treated waste water, thus to provide an economical system where, if required, the waste water after the treatment can be reutilized as industrial water.
In the treatment method, an acidic high concentration sodium hypochlorite aqueous solution containing hydrochloric acid with a pH of ≥4 and an effective chlorine concentration of 1,000 to 10,000 ppm, preferably, 2,000 to 8,000 ppm is injected into a recovery tank, and the effective chlorine concentration is controlled so as to be 100 to 1,000 ppm.
Inventors:
TACHIKAWA TSUGIO
TACHIKAWA HIROSHI
TACHIKAWA HIDEO
TACHIKAWA HIROSHI
TACHIKAWA HIDEO
Application Number:
JP2004274416A
Publication Date:
April 06, 2006
Filing Date:
September 22, 2004
Export Citation:
Assignee:
AQUA MAITO KK
International Classes:
C02F1/76
Foreign References:
| WO2003007084A1 | 2003-01-23 |
Attorney, Agent or Firm:
Takami Teshima
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