AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
Materials and Construction
DEVELOPMENT OF THE CONCENTRATION SYSTEM OF FLY ASH SLURRY FOR CONCRETE
Hiroki SUYAMA, Koji TAKASU, Hidehiro KOYAMADA
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Keywords: Fly ash, Slurry, Cake filtration, Device design, Flotation method
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2014 Volume 20 Issue 44 Pages 1-4

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Abstract
In order to use the fly ash reformed by flotation for concrete, the system to concentrate fly ash slurry from 10wt% to 65wt% in around 30 minutes is demanded. In this paper, we collected experimental data about cake filtration of fly ash slurry, and it was confirmed that cake filtration of fly ash slurry could be explained by Ruth theory. In addition, equations to estimate the optimum when fly ash slurry was concentrated were led. And a case study to design the concentrator of 10m3 in 30 minutes was shown.
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© 2014 Architectural Institute of Japan
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