Title:
STABLE HARMLESSNESS TREATMENT METHOD FOR FLY ASH IN WASTE INCINERATION
Document Type and Number:
WIPO Patent Application WO/2019/034011
Kind Code:
A1
Abstract:
A stable harmlessness treatment method for fly ash in waste incineration. Fly ash residues treated by using the method are thoroughly detoxified; dioxin is thoroughly decomposed, and a large quantity of soluble chlorine salts and heavy metal ions such as Pb, Zn, Cr, Cu and As ions in the fly ash can be effectively removed; and a very small quantity of residual heavy metal is dissolved in the residues in a solid form, without the leaching toxicity. The fly ash residues can be recycled as building light aggregates for use, which is economical and environmentally-friendly. In addition, the method is environmentally-friendly, economical and feasible, and is simple in operations.
Inventors:
LI BINGZHENG (CN)
LI YI (CN)
WU SHAN (CN)
LI YI (CN)
WU SHAN (CN)
Application Number:
PCT/CN2018/100151
Publication Date:
February 21, 2019
Filing Date:
August 13, 2018
Export Citation:
Assignee:
CHONGQING ANGRUIYUE SCIENCE AND TECH CO LTD (CN)
International Classes:
F23G5/44; F23J3/00
Foreign References:
| CN107477597A | 2017-12-15 | |||
| CN106282585A | 2017-01-04 | |||
| CN107013924A | 2017-08-04 | |||
| CN102627308A | 2012-08-08 | |||
| CN101905967A | 2010-12-08 | |||
| JP2005305244A | 2005-11-04 | |||
| CN106734099A | 2017-05-31 |
Attorney, Agent or Firm:
CHONGQING HUAKE PATENT ATTORNEY OFFICE (CN)
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