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Title:
TREATMENT METHOD OF FLY ASH, FLY ASH CEMENT USING MODIFIED FLY ASH AND CONCRETE COMPOSITION USING THE FLY ASH CEMENT
Document Type and Number:
Japanese Patent JP2008297148
Kind Code:
A
Abstract:

To provide a novel treatment method of a fly ash for producing a chemically modified fly ash which enables favorable expression of compressive strength by a concrete composition when used as a replacement material for Portland cement.

The fly ash (combustion ash of micronized coal), which is mainly collected by a dust collector etc. in a thermal power plant and is used as a partial replacement material for Portland cement, is contacted with a treatment liquid erosive to the fly ash to carry out a chemical modification treatment on the surface of the fly ash.


Inventors:
Yuasa, Yukihisa
Murakami, Kazumi
Maekawa, Akihiro
Inukai, Toshitsugu
Hatanaka, Shigemitsu
Mishima, Tadao
Application Number:
JP2007000143984
Publication Date:
December 11, 2008
Filing Date:
May 30, 2007
Export Citation:
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Assignee:
MIE PREFECTURE
TOKAI CONCRETE INDUSTRIES CO LTD
International Classes:
C04B7/26; B09B3/00; C04B22/06; C04B22/14; C04B28/02
Attorney, Agent or Firm:
笠井 美孝
中根 美枝