Title:
METHOD AND APPARATUS FOR TREATMENT OF DECOMPOSING ATOMS IN INCINERATION ASH BY DIFFUSION TO DETOXIFY THEM
Document Type and Number:
WIPO Patent Application WO/2002/049780
Kind Code:
A1
Abstract:
A method and an apparatus for detoxifying a harmful substance such as dioxin and related compounds and a heavy metal which are contained in an incineration ash formed in burning garbages, general refuses and the like in an incineration furnace and causes environmental pollution, wherein the incineration ash is dewatered, dried and pulverized, and then is subjected to a reduction step and a stabilization treatment step in a closed space having an atmosphere of a low oxygen content, to thereby carry out the detoxification of the harmful substance and the heavy metal through reduction and conversion to a stable compound, respectively.
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Inventors:
IWASAKI KAZUKO (JP)
KUBOTA TORU (JP)
KUBOTA TORU (JP)
Application Number:
PCT/JP2001/011085
Publication Date:
June 27, 2002
Filing Date:
December 18, 2001
Export Citation:
Assignee:
IWASAKI KAZUKO (JP)
KUBOTA TORU (JP)
KUBOTA TORU (JP)
International Classes:
F23J1/00; B02C21/00; B09B3/00; B09B5/00; F23G5/00; A62D101/08; A62D101/43; (IPC1-7): B09B3/00; A62D3/00; F23J1/00
Foreign References:
| JP2000005730A | 2000-01-11 | |||
| JP2000024625A | 2000-01-25 | |||
| JP2000079381A | 2000-03-21 | |||
| JP2000051816A | 2000-02-22 | |||
| JP2000126716A | 2000-05-09 | |||
| JPH10151430A | 1998-06-09 |
Attorney, Agent or Firm:
Isono, Michizo c/o Isono International Patent Office (Sabo-kaikan Annex 7-4, Hirakawa-cho 2-chom, Chiyoda-ku Tokyo, JP)
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