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Title:
HEAVY METAL INSOLUBILIZING MATERIAL AND METHOD OF TREATING HEAVY METAL
Document Type and Number:
Japanese Patent JP2006272144
Kind Code:
A
Abstract:

To provide a heavy metal insolubilizing material being easy to handle while retaining the heavy metal insolubilizing capability.

The insolubilizing material contains particles of calcined calcium aluminate obtained by calcining calcium aluminate hydrate at 300-1,100°C, and the particles are surface-modified through formation of an only slightly soluble calcium salt on their surface.


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Inventors:
KOIDE TAKAO
UCHIHATA SHINOBU
Application Number:
JP2005094561A
Publication Date:
October 12, 2006
Filing Date:
March 29, 2005
Export Citation:
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Assignee:
SUMITOMO OSAKA CEMENT CO LTD
International Classes:
B01J20/08; A62D3/33; B09C1/02; B09C1/08; C01F7/16; C02F1/28
Attorney, Agent or Firm:
Noboru Fujimoto
Seiichi Yakumaru
Hiroaki Nakatani
Tokuya Iwata



 
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