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Title:
METHOD AND SYSTEM OF TREATING INCINERATION ASH
Document Type and Number:
Japanese Patent JP2010085019
Kind Code:
A
Abstract:

To provide a method and a system for treating incineration ash for reducing insoluble chlorine content included in the incineration ash and stably reducing chlorine concentration of the incineration ash by water washing treatment.

Incineration ash discharged from an incinerator 1 is slowly cooled to 120C or lower by air cooling or indirect water cooling without immersing the incineration ash in water by a dry ash discharge device 2, and then, is supplied to a water washing facility including a specific gravity difference separator 3, a washing tank 4, a solid-liquid separator 5, a washing tank 6 and a solid-liquid separator 7 to perform water washing treatment.


Inventors:
SHIRAI TOSHIMASA
YOSHIMITSU NORIO
Application Number:
JP2008254931A
Publication Date:
April 15, 2010
Filing Date:
September 30, 2008
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND ENVIRONME
International Classes:
F23J1/00; B09B3/00; C04B7/28; C04B18/10
Domestic Patent References:
JP2004041895A2004-02-12
JP2007083144A2007-04-05
Attorney, Agent or Firm:
Patent business corporation Takahashi Matsumoto & Partners



 
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