Title:
WASTE TREATMENT METHOD
Document Type and Number:
Japanese Patent JP2015150488
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a waste treatment method for rendering fluorine included in waste harmless and fixing the fluorine, when incinerating the waste.SOLUTION: The waste treatment method includes a mixing step of mixing an incineration object with calcium salt corresponding to 1 or more in the calcium/fluorine mass ratio to fluorine containing mass of the incineration object an incineration step of heating the incineration object via the mixing step to 350°C-900°C and incinerating the incineration object, a melting step of separating incineration ash obtained by the incineration step and heating the incineration ash to 1000°C-1700°C and melting the incineration ash, and a separation step of separating-collecting a slag layer generated in the melting step, in a waste incinerator.
Inventors:
NISHIKAWA KAZUHITO
Application Number:
JP2014025690A
Publication Date:
August 24, 2015
Filing Date:
February 13, 2014
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP
International Classes:
B09B3/00; B09B5/00
Attorney, Agent or Firm:
Axis International Patent Business Corporation
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