Title:
焼却灰に含有する鉛の安定化方法
Document Type and Number:
Japanese Patent JP4813427
Kind Code:
B2
Abstract:
To provide a method of stabilizing lead contained in burned ash which enables calcination of burned ash at a lower temperature.
The method of stabilizing lead in burned ash has a stirring process of charging burned ash into water and stirring the ash in water while supplying carbon dioxide, a mixing process of mixing the ash with an Si-containing material after the stirring process and a calcinating process of calcinating the resultant mixture at 800°C or higher.
COPYRIGHT: (C)2009,JPO&INPIT
Inventors:
Hiroyuki Hikita
Ryoji Samejima
Ryoji Samejima
Application Number:
JP2007162763A
Publication Date:
November 09, 2011
Filing Date:
June 20, 2007
Export Citation:
Assignee:
Takuma Co., Ltd.
International Classes:
B09B3/00; A62D3/30; A62D3/40; A62D101/08; A62D101/43
Domestic Patent References:
| JP10128304A | ||||
| JP1199371A | ||||
| JP2007050356A | ||||
| JP2006223987A | ||||
| JP20023248A | ||||
| JP2003238221A |
Other References:
高橋 寛昭 他3名,ごみ焼却飛灰の水洗によるセメント原料化,無機マテリアル,日本,Vol. 5 (1998) No. 274 ,pp.200-207
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office
Yuzo Ozaki
Koichi Kajisaki
Toshihiko Taniguchi
Yuzo Ozaki
Koichi Kajisaki
Toshihiko Taniguchi