Glass-ceramic from mixtures of bottom ash and fly ash

Copyright © 2012 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 32(2012), 12 vom: 04. Dez., Seite 2306-14
1. Verfasser: Vu, Dinh Hieu (VerfasserIn)
Weitere Verfasser: Wang, Kuen-Sheng, Chen, Jung-Hsing, Nam, Bui Xuan, Bac, Bui Hoang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Coal Ash Particulate Matter Waste Products
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520 |a Along with the gradually increasing yield of the residues, appropriate management and treatment of the residues have become an urgent environmental protection problem. This work investigated the preparation of a glass-ceramic from a mixture of bottom ash and fly ash by petrurgic method. The nucleation and crystallization kinetics of the new glass-ceramic can be obtained by melting the mixture of 80% bottom ash and 20% fly ash at 950 °C, which was then cooled in the furnace for 1h. Major minerals forming in the glass-ceramics mainly are gehlenite (Ca(2)Al(2)SiO(7)) & akermanite (Ca(2)MgSiO(7)) and wollastonite (CaSiO(3)). In addition, regarding chemical/mechanical properties, the chemical resistance showing durability, and the leaching concentration of heavy metals confirmed the possibility of engineering and construction applications of the most superior glass-ceramic product. Finally, petrurgic method of a mixture of bottom ash and fly ash at 950 °C represents a simple, inexpensive, and energy saving method compared with the conventional heat treatment 
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700 1 |a Wang, Kuen-Sheng  |e verfasserin  |4 aut 
700 1 |a Chen, Jung-Hsing  |e verfasserin  |4 aut 
700 1 |a Nam, Bui Xuan  |e verfasserin  |4 aut 
700 1 |a Bac, Bui Hoang  |e verfasserin  |4 aut 
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