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Title:
化学物質汚染の処理方法及び処理装置
Document Type and Number:
Japanese Patent JP5528840
Kind Code:
B2
Abstract:

To provide a method and apparatus for treating chemical pollution, wherein a purification period is reduced and sure and safe purification is made possible for contaminated water such as ground water contaminated by chemical substance like organic chlorine compound and aromatic hydrocarbon, in treatment using persulfate.

This invention relates to a method for purifying chemical pollution, wherein chemically contaminated water is purified by adding persulfate thereto. Before purifying contaminated water by adding persulfate, the pH of the contaminated water is set to ≤5 and then aeration treatment is performed with a gas other than carbon dioxide, thereby removing or reducing inorganic carbon dissolved in the contaminated water.

COPYRIGHT: (C)2011,JPO&INPIT


Inventors:
Takeshi Nomoto
Masahiro Eguchi
Application Number:
JP2010025256A
Publication Date:
June 25, 2014
Filing Date:
February 08, 2010
Export Citation:
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Assignee:
Organo Corporation
International Classes:
C02F1/72; B01D19/00; B01D53/62; B01D53/70; B01D53/72; C02F1/20
Domestic Patent References:
JP2002307049A
JP2001113291A
JP2004337777A
JP2004167426A
JP2006075469A
JP2000263072A
JP2002011484A
Foreign References:
US20060054570
Attorney, Agent or Firm:
Kenji Yoshida
Jun Ishida