Title:
METHOD FOR TREATING HAZARDOUS MATERIAL
Document Type and Number:
WIPO Patent Application WO/2001/012352
Kind Code:
A1
Abstract:
A method for treating a material contaminated with a hazardous substance which comprises drying the material to be treated, admixing the dried material with at least one of calcium oxide and a material containing calcium oxide, and subjecting the resultant mixture to a mechanochemical treatment. A product formed by the above treatment can be solidified by a process comprising admixing the product with an inorganic powder capable of forming a hydrate, and the resultant solid product can be used as a material in civil engineering work, construction or the like. The method can be employed for treating the incineration ash, fly ash from a dust collector, collected dust, or soil which is contaminated with dioxins, and the soil contaminated with polychlorinated biphenyl.
Inventors:
MASUDA SEIICHI (JP)
SHIMME KAORU (JP)
KUBO TOSHIHIKO (JP)
SHIMME KAORU (JP)
KUBO TOSHIHIKO (JP)
Application Number:
PCT/JP2000/005236
Publication Date:
February 22, 2001
Filing Date:
August 03, 2000
Export Citation:
Assignee:
SUMITOMO METAL IND (JP)
MASUDA SEIICHI (JP)
SHIMME KAORU (JP)
KUBO TOSHIHIKO (JP)
MASUDA SEIICHI (JP)
SHIMME KAORU (JP)
KUBO TOSHIHIKO (JP)
International Classes:
A62D3/33; B09C1/08; C04B18/04; A62D101/08; A62D101/22; A62D101/28; (IPC1-7): B09B3/00; A62D3/00; B09C1/08
Foreign References:
| JPH11124463A | 1999-05-11 | |||
| US5648591A | 1997-07-15 | |||
| US5296040A | 1994-03-22 | |||
| JPH11197495A | 1999-07-27 | |||
| JPH10296228A | 1998-11-10 | |||
| JPH05168727A | 1993-07-02 | |||
| JP2000070401A | 2000-03-07 |
Attorney, Agent or Firm:
Honoue, Terutada (Higashinaniwa-cho 5-chome Amagasaki-shi Hyogo, JP)
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