Title:
METHOD FOR TREATING CYANIDE COMPLEX-CONTAINING WASTEWATER AND TREATING AGENT FOR USE THEREIN
Document Type and Number:
WIPO Patent Application WO/2017/073177
Kind Code:
A1
Abstract:
Provided is a method for treating cyanide complex-containing wastewater, the method comprising adding, to cyanide complex-containing wastewater, a mixture of a cuprous compound and hydrogen peroxide under pH 6-9 conditions, or a mixture of a cupric compound and hydrogen peroxide under pH 6-8 conditions, to thereby treat the cyanide complex contained in the wastewater.
Inventors:
MURAKAMI MAKOTO (JP)
IRISA KAZUYUKI (JP)
HIRASHIMA HIDENORI (JP)
IRISA KAZUYUKI (JP)
HIRASHIMA HIDENORI (JP)
Application Number:
PCT/JP2016/076483
Publication Date:
May 04, 2017
Filing Date:
September 08, 2016
Export Citation:
Assignee:
KATAYAMA CHEMICAL WORKS CO (JP)
International Classes:
C02F1/58; C02F1/72
Foreign References:
| JPS5990692A | 1984-05-25 | |||
| JPS5226762A | 1977-02-28 | |||
| JPH0568979A | 1993-03-23 | |||
| JP2009254959A | 2009-11-05 | |||
| JP2004024995A | 2004-01-29 | |||
| CN103232107A | 2013-08-07 | |||
| JP2013226510A | 2013-11-07 | |||
| JP2000317468A | 2000-11-21 | |||
| JP2005313112A | 2005-11-10 |
Attorney, Agent or Firm:
NOGAWA, Shintaro et al. (JP)
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