Title:
METHOD FOR CLEANING SOIL AND GROUND WATER POLLUTED WITH ORGANOCHLORINE COMPOUND
Document Type and Number:
Japanese Patent JP2004290768
Kind Code:
A
Abstract:
To provide a method for cleaning soil and ground water polluted with an organochlorine compound, not having fear such that heavy metals or another soil components other than a purifying target are eluted, unnecessary for adding alkali used for preventing the lowering of pH and capable of suppressing a treatment cost low.
An iron powder is added to or mixed with soil or ground water polluted with the organochlorine compound to clean the polluted soil or ground water by the reductive decomposition of the organochlorine compound. At this time, a neutral or weak alkaline substance is used in water along with the iron powder.
Inventors:
FUNAISHI KEISUKE
YAMAKI MASAHIRO
SEKI HIROJI
YAMAKI MASAHIRO
SEKI HIROJI
Application Number:
JP2003084403A
Publication Date:
October 21, 2004
Filing Date:
March 26, 2003
Export Citation:
Assignee:
ATAKA CONSTRUCTION & ENG
International Classes:
A62D3/37; B09C1/02; B09C1/08; C02F1/70; C07B35/06; C07D319/24; A62D101/22; A62D101/28; (IPC1-7): B09C1/02; A62D3/00; B09C1/08; C02F1/70; C07B35/06; C07D319/24
Domestic Patent References:
| JP2001259609A | 2001-09-25 | |||
| JP2000061442A | 2000-02-29 | |||
| JP2002239522A | 2002-08-27 |
Attorney, Agent or Firm:
Norihiko Hibi
Einosuke Kishimoto
Akira Watanabe
Kiyosue Yasuko
Einosuke Kishimoto
Akira Watanabe
Kiyosue Yasuko
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