2002
DOI: 10.1590/s0100-40422002000600008
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Estudo do efeito da quantidade de óxido de ferro em cinzas pesadas de carvão mineral na obtenção de vitrocerâmicos

Abstract: Recebido em 27/7/01; aceito em 4/2/02 STUDY OF IRON OXIDE QUANTITY ON BOTTOM ASHES FROM MINERAL COAL TO GLASS CERAMIC PRODUCTION. Bottom ash has been used as raw material to glass and glass ceramic production because it is a source of SiO 2 and Al 2 O 3 . However, the high concentration of iron (about 10% wt.) difficulty the control of the nucleation and the crystallization processes. The iron content was reduced by magnetic process, where the magnetite phase was mainly removed. In order to compare glass ceram… Show more

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Cited by 12 publications
(8 citation statements)
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“…High concentrations cause poor properties, otherwise, they improve [3]. We have also observed that the experimental condition of obtaining Li 2 Al 2 Si 3 O 10 samples changes with magnetite content.…”
Section: Methodsmentioning
confidence: 51%
See 4 more Smart Citations
“…High concentrations cause poor properties, otherwise, they improve [3]. We have also observed that the experimental condition of obtaining Li 2 Al 2 Si 3 O 10 samples changes with magnetite content.…”
Section: Methodsmentioning
confidence: 51%
“…In addition, this new process permits the use of by-products resulting from industrial processes, which can be dangerous to the environment. On the other hand, the glass-ceramics produced by using these by-products have shown similar properties to those obtained by using high-purity synthetic components [2].…”
Section: Introductionmentioning
confidence: 59%
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