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Title:
METHOD FOR TREATING CYANIDE-CONTAINING WASTEWATER AND CHEMICAL USED FOR THE METHOD
Document Type and Number:
Japanese Patent JP2014004581
Kind Code:
A
Abstract:

To provide a simple method which is industrially applicable and excellent in economical efficiency for treating cyanide-containing wastewater more easily and efficiently compared with a conventional method by finding out a new chemical capable of treating cyanide-containing wastewater containing cyanide components safely and more efficiently.

The method for treating the cyanide-containing wastewater, which is a method for removing the cyanide components from the cyanide-containing wastewater, has the steps of adding to the cyanide-containing wastewater an organic nitrogen-containing compound that has 5 or more carbon atoms and produces a cation in the wastewater to insolubilize the cyanide components in the wastewater in the co-presence of the cyanide components and the nitrogen-containing compound, and then performing solid-liquid separation of the insolubilized cyanide components.


Inventors:
MORIKAZU SHINGO
ICHIKAWA KOHEI
IWAO TAKESHI
SUZUKI YUMA
Application Number:
JP2013111960A
Publication Date:
January 16, 2014
Filing Date:
May 28, 2013
Export Citation:
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Assignee:
NIPPON STEEL & SUMIKIN ECO TECH CORP
International Classes:
C02F1/58
Domestic Patent References:
JPS4840257A1973-06-13
JP2005081170A2005-03-31
JPS56158826A1981-12-07
Attorney, Agent or Firm:
Toshieko Kondo
Chongqing Sugano
Tatsuya Yamada
Kaoru Okada