SOIL PURIFICATION AGENT AND METHOD FOR PURIFYING SOIL

Title:

SOIL PURIFICATION AGENT AND METHOD FOR PURIFYING SOIL

Document Type and Number:

WIPO Patent Application WO/2001/008825

Kind Code:

A1

Abstract:

A soil purification agent comprising an aqueous suspension containing fine particles of iron having an average particle diameter less than 10 $g(m)m dispersed therein; a soil purification agent comprising an aqueous suspension containing fine particles of iron having an average particle diameter of a range of 1 to 200 $g(m)m and a hydrophilic binder; and a method for purifying soil comprising using at least one of these purification agents. The soil purification agents can be advantageously used for directly removing an organic halogen compound with good efficiency from a soil which is contaminated with an organic halogen compound and the like.

Inventors:

MAEDA TERUNOBU (JP)
KIMURA YASUNORI (JP)
IGAWA JUNJI (JP)

Application Number:

PCT/JP2000/005111

Publication Date:

February 08, 2001

Filing Date:

July 28, 2000

Export Citation:

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Assignee:

HAZAMA GUMI (JP)
TOYO INK MFG (JP)
MAEDA TERUNOBU (JP)
KIMURA YASUNORI (JP)
IGAWA JUNJI (JP)

International Classes:

B09C1/00; B09C1/02; B09C1/08; (IPC1-7): B09C1/08

Foreign References:

JPH10263522A	1998-10-06
JPH09239339A	1997-09-16
JPS5548274A	1980-04-05
JPH1071386A	1998-03-17
JP2000135483A	2000-05-16
JPH05311253A	1993-11-22

Other References: