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Title:
METHOD FOR FREEZING AND REMOVING POLLUTED SOIL AND UNDERGROUND FROZEN BODY
Document Type and Number:
Japanese Patent JP2004330097
Kind Code:
A
Abstract:

To provide a method for freezing and removing polluted soil, for making block-shaped frozen soil by utilizing a freezing technique and sealing the volatilization of a harmful substance or the malodor of waste with ice to more reduce an environmental risk than before while enhancing the removal/feed-out efficiency of polluted soil.

This method for freezing and removing polluted soil has a cooling pipe arranging process for arranging cooling pipes in polluted soil, in which a pollutant is present, so as to make the distances between the center parts of the cooling pipes equal, a cooling process for supplying a freezing medium to the cooling pipes to form discontinuous frozen soil comprising the surface part of non-frozen soil and the remainder of frozen soil around the cooling pipes, and a frozen soil removing process for taking out the frozen part of discontinuous frozen soil to the surface of the ground.


Inventors:
Ito, Yuzuru
Kamon, Masafumi
Hioki, Kazuaki
Nomura, Tadaaki
Izuta, Hisao
Application Number:
JP2003000130146
Publication Date:
November 25, 2004
Filing Date:
May 08, 2003
Export Citation:
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Assignee:
ITO YUZURU
KAMON MASAFUMI
FUDO CONSTR CO LTD
KINJO RUBBER CO LTD
SEIKEN CO LTD
International Classes:
E02D19/14; B09C1/00; B09C1/04; E02D3/115; E02D19/00; B09C1/00; E02D3/00; (IPC1-7): B09C1/04; E02D3/115; E02D19/14