Title:
TREATMENT METHOD AND TREATMENT DEVICE FOR WASTE WATER CONTAINING HEAVY METAL
Document Type and Number:
WIPO Patent Application WO/2015/129541
Kind Code:
A1
Abstract:
Provided is a waste water treatment method that can simply and with high efficiency remove heavy metal from waste water containing heavy metal, and that comprises the following steps (i) and (ii). (i) An insolubilization step, in which an oxidizing agent and a coprecipitation agent are made to act on waste water, and the heavy metal in the waste water is insolubilized; and (ii) a separation step, in which the insolubilized heavy metal is removed from the waste water from step (i). Further provided is a waste water treatment device that has an oxidation tank, a coprecipitation tank, an insolubilization tank, and a separation device.
Inventors:
AMBO TAKANORI (JP)
KAWAGISHI TOMOKI (JP)
MASUDA MORIHIRO (JP)
KAWAGISHI TOMOKI (JP)
MASUDA MORIHIRO (JP)
Application Number:
PCT/JP2015/054579
Publication Date:
September 03, 2015
Filing Date:
February 19, 2015
Export Citation:
Assignee:
MITSUBISHI RAYON CO (JP)
International Classes:
C02F1/62; C02F1/44; C02F1/72; C02F1/76
Foreign References:
| JPS6019092A | 1985-01-31 | |||
| JP2010284593A | 2010-12-24 | |||
| JPS58174286A | 1983-10-13 | |||
| JP2003136070A | 2003-05-13 | |||
| JP2000117268A | 2000-04-25 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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