Title:
TREATMENT METHOD FOR INCINERATOR FLY ASH
Document Type and Number:
WIPO Patent Application WO/2021/193571
Kind Code:
A1
Abstract:
Provided is a treatment method for incinerator fly ash, the method enabling suppression of elution of heavy metals contained in the incinerator fly ash and also enabling suppression of elution of chelating agent-derived organic matter. The treatment method for incinerator fly ash comprises: a kneading step S11 in which an additive containing a silicon compound and/or an aluminum compound is kneaded with incinerated fly ash to create a mixture; and a carbonation step S12 in which the mixture is subjected to a carbonation treatment.
Inventors:
SHIGEIZUMI KOGA (JP)
KUBOTA HIROSHI (JP)
KOCHI HARUNA (JP)
KUBOTA HIROSHI (JP)
KOCHI HARUNA (JP)
Application Number:
PCT/JP2021/011802
Publication Date:
September 30, 2021
Filing Date:
March 22, 2021
Export Citation:
Assignee:
FUJITA CORP (JP)
International Classes:
B09B1/00; B09B3/00
Foreign References:
| JP2015089864A | 2015-05-11 | |||
| JP2006281150A | 2006-10-19 | |||
| JP2016140782A | 2016-08-08 | |||
| JP2015178049A | 2015-10-08 | |||
| JP2016032786A | 2016-03-10 | |||
| JP2014228406A | 2014-12-08 | |||
| JP2004183912A | 2004-07-02 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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