The role of a coal gasification fly ash as clay additive in building ceramic

Aineto, M.; Acosta, Anselmo; Iglesias, Isabel

doi:10.1016/j.jeurceramsoc.2006.01.011

Cited by 60 publications

(19 citation statements)

References 8 publications

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“…In a recent work, Aineto et al [94] investigated the role of a new kind of fly-ash, obtained from the gasification of coal, as an addition to clay bodies. The authors found that the coal gasification ash is predominantly composed of a vitreous material with an K 2 O and Na 2 O content of 4.5 wt.%.…”

Section: Fluxing Ashesmentioning

confidence: 99%

“…The authors found that the coal gasification ash is predominantly composed of a vitreous material with an K 2 O and Na 2 O content of 4.5 wt.%. Different additions were performed in two distinct clays that were then fired at 900 o C. The main conclusion of the work [94] was that the fly-ash favors the sintering process with a consequent reduction in the water absorption and an increase in the mechanical strength of the final ceramic product.…”

Section: Fluxing Ashesmentioning

confidence: 99%

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Incorporation of solid wastes in red ceramics: an updated review

Vieira

Monteiro

2009

Matéria (Rio J.)

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A review on the fundamentals and technological advances in the incorporation of industrial solid wastes into red ceramics was updated since 1997, when the first overview on this subject was published by Dondi, Marsigli and Fabbri. Other works conducted before this period, but not covered by that overview were also reviewed. Modifications were introduced in the original categories of wastes to permit a wider variety to be considered. In addition to fuel and fluxing wastes, a category of property affecting wastes substituted the originally proposed fly-ash and plasticity reducing/ plastifying wastes categories. In order to be more comprehensive, this updated review considered industrially relevant subdivisions within each category. Accordingly, fuel wastes encompass: oily residues, blast furnace sludge, and paper industry residues. Fluxing wastes encompass: rejects from ornamental rocks, glassy residues and fluxing ashes. Property affecting wastes encompass: grog, water treatment sludge, steel-refining sludge/slag, non-fluxing ashes, mineral processing tails, galvanic sludge, spent catalyst reject, textile slurry, foundry reject sands, tannery sludge and construction and demolition leftovers.

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Section: Fluxing Ashesmentioning

confidence: 99%

Section: Fluxing Ashesmentioning

confidence: 99%

Incorporation of solid wastes in red ceramics: an updated review

Vieira

Monteiro

2009

Matéria (Rio J.)

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“…The presence of hematite (Fe 2 O 3 ), mullite (3Al 2 O 3 · 2SiO 2 ), hercynite (FeO · Al 2 O 3 ), and anorthite (CaO · Al 2 O 3 · SiO 2 ) have been proven (Aineto et al 2005(Aineto et al , 2006a. This ash, according to the work of Aineto et al (2006b), can be classified as ash of class F (SiO 2 + Al 2 O 3 + Fe 2 O 3 -max. 70%; SO 3 -max.…”

Section: Introductionmentioning

confidence: 99%

Characteristics of selected wastes from carbon gasification

Mazurkiewicz¹,

Malata²,

Uliasz-Bocheńczyk³

2013

Gospodarka Surowcami Mineralnymi - Mineral Resources Management

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“…Um resíduo gerado em grandes quantidades, principalmente no sul do Brasil são as cinzas de carvão mineral, as quais atualmente são aterradas ou usadas em concretos [1]. Um destino possível para estas cinzas é a sua utilização em cerâmicas vermelhas [2], como tijolos, onde a cinza poderá contribuir com redução de densidade, modificações na absorção de água e de propriedades mecânicas [3]. A adição de outros resíduos industriais em cerâmicas vermelhas foi alvo de diversos estudos [4][5][6] sendo que todos concluíram a viabilidade técnica.…”

Section: Introductionunclassified

Estudo da influência da adição de cinzas de carvão mineral nas propriedades da cerâmica vermelha

Zanin¹,

Klitzke²,

Luz³

2013

Cerâmica

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ResumoA adição de resíduos industriais em cerâmicas vermelhas tem sido o alvo de diversos estudos, onde se busca uma destinação final adequada ao resíduo e melhoria das características da cerâmica. Neste trabalho, avaliou-se a adição de cinzas leves de carvão mineral oriundas de uma usina termelétrica existente em Figueira, PR. Foram preparadas misturas de 0, 10, 20, 30, 40 e 50% de cinzas em argila e produzidos corpos de prova de 6 cm x 2 cm x 0,5 cm por calcinação a 950 ºC. Avaliou-se os parâmetros perda ao fogo, densidade aparente, porosidade aparente, retração linear, absorção de água e resistência mecânica. Os resultados dos ensaios indicaram que influência do material incombusto presentes nas cinzas foi superior a qualquer efeito dos outros componentes das cinzas. Palavras-chave: cerâmica vermelha, cinzas de carvão mineral, resíduos industriais AbstractThe addition of industrial waste into red ceramic has been the subject of several studies, which seek to dispose the waste properly and to improving the characteristics of ceramics. In this study, the addition of fly ash from coal derived from an existing power plant in Figueira, PR, Brazil, was evaluated. Mixtures of 0,10, 20, 30, 40 and 50% ash

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The role of a coal gasification fly ash as clay additive in building ceramic

Cited by 60 publications

References 8 publications

Incorporation of solid wastes in red ceramics: an updated review

Incorporation of solid wastes in red ceramics: an updated review

Characteristics of selected wastes from carbon gasification

Estudo da influência da adição de cinzas de carvão mineral nas propriedades da cerâmica vermelha

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