汚染土壌又は汚染水の浄化方法及び浄化材

Title:

汚染土壌又は汚染水の浄化方法及び浄化材

Document Type and Number:

Japanese Patent JP4910734

Kind Code:

B2

Abstract:

To provide a method of decontaminating contaminated soil or contaminated water by which the reduction action of iron powder is continued, and to provide a decontaminating agent.

The method of decontaminating the contaminated soil or the contaminated water by which the contaminated soil or the contaminated water contaminated by organic halogen compounds is cleaned using iron powder is carried out by supplying iron powder and a chelating agent (for example, sodium gluconate) into the contaminated soil or the contaminated water and mixing them.

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Inventors:

Michihiko Ishida
Kensuke Fujii
Hiroki Ogata

Application Number:

JP2007025706A

Publication Date:

April 04, 2012

Filing Date:

February 05, 2007

Export Citation:

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Assignee:

Obayashi Corporation

International Classes:

B09C1/02; A62D3/33; A62D3/37; B09C1/08; C02F1/58; C02F1/70; C09K17/02; C09K17/14; C09K17/40; A62D101/22

Domestic Patent References:

JP2002159959A
JP2004210558A
JP2004113976A
JP2006150278A
JP2007301418A
JP2003053321A
JP2002001362A
JP2005185982A
JP2006102716A
JP9206732A
JP2007302885A
JP2006272145A
JP2006249319A
JP2006159023A

Foreign References:

WO2006123574A1

Attorney, Agent or Firm:

Isshiki International Patent Service Corporation

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