Title:
METHOD OF STABILIZING LEAD CONTAINED IN BURNED ASH
Document Type and Number:
Japanese Patent JP2009000607
Kind Code:
A
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 800C or higher.
Inventors:
Hikita, Hiroyuki
Samejima, Ryoji
Samejima, Ryoji
Application Number:
JP2007000162763
Publication Date:
January 08, 2009
Filing Date:
June 20, 2007
Export Citation:
Assignee:
TAKUMA CO LTD
International Classes:
B09B3/00; A62D3/30; A62D3/40; A62D101/08; A62D101/43