METHOD OF TREATING METAL-CONTAINING WASTE

Japanese Patent JP2023132909

A

To provide a method of treating metal-containing waste that enables high-grade metal to be recovered in good yield.SOLUTION: The method of treating metal-containing waste includes: a heating step of heating metal-containing waste; a crushing step; a first sieving step of sieving the crushed material into oversize and undersize; a crushing step in which the undersize obtained in the first sieving step is crushed using a crusher equipped with a crushing mechanism having a vertical crushing surface; a magnetic separating step of separating waste rocks discharged from the crushing step into magnetized and non-magnetized materials; a second sieving step of separating the non-magnetized material obtained in the magnetic separating step into oversize and undersize; and a specific gravity-sorting step in which the oversize and undersize obtained in the second sieving step are processed in a specific gravity sorter equipped with a corrugated perforated plate having a plurality of concavities parallel to the oscillating direction or a perforated plate on which a plurality of slits or mesh with concavities parallel to the oscillating direction are placed, respectively.SELECTED DRAWING: Figure 1

JPH09327683	RAW REFUSE VOLUME REDUCING APPARATUS
JP2003192403	PORTLAND CEMENT FOR CONCRETE

MUTO YASUMUNE
TAKEMOTO TOMONORI
ISHIDA YASUYUKI

JP2022038493A

September 22, 2023

March 11, 2022

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TAIHEIYO CEMENT CORP

B09B5/00; B02C23/08; B03C1/00; B03C1/005; B03C1/02; B03C1/10; B03C1/18; B03C1/247; B07B1/00; B07B4/08; B07B9/00; B09B3/40

Arga Patent Office

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