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Title: Perlite waste as a precursor for geopolymer formation
Authors: Vance, ER
Perera, DS
Imperia, P
Cassidy, DJ
Davis, J
Gourley, JT
Keywords: Perlite
Fly ash
Mechanical properties
Issue Date: 2009
Publisher: The Australian Ceramic Society
Citation: Vance, E. R., Perera, D. S., Imperia, P., Cassidy, D. J., Davis, J., & Gourley, J. T. (2009). Perlite waste as a precursor for geopolymer formation. Journal of the Australian Ceramic Society, 45, 44-49.
Abstract: Waste perlite can be reacted with alkaline solutions to form crystalline zeolite 4A and other minor crystalline phases. The fine majority fraction of the waste was fairly reactive and the coarse fraction largely acted as a filler. This geopolymer had poor compressive strength, but when perlite was used in conjunction with flyash, geopolymers of acceptable mechanical properties could be made. Perlite shows significant reaction with 10 Mol/L NaOH solution at ˜70°C, with hydroxysodalite appearing as a reaction product. © 2009, The Australian Ceramic Society
Gov't Doc #: 1609
ISSN: 0004-881X
Appears in Collections:Journal Articles

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