Characterization of Blast Furnace Sludge for Clayey Ceramic Fabrication

Dias, C.A.; Monteiro, Sérgio Neves; Faria, Roberto da Trindade; Vieira, Carlos Maurício Fontes

doi:10.4028/www.scientific.net/msf.727-728.715

Cited by 3 publications

(2 citation statements)

References 7 publications

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“…Numerous recent works investigated the addition of different kinds of fuel-containing wastes into clay ceramics [3][4][5][6][7][8][9][10][11]. However, the direct addition of coal, as a waste, has not yet been reported.…”

Section: Introductionmentioning

confidence: 99%

Residual Coal Characterization for Addition to Red Clay Ceramics

Vieira

Monteiro

2015

MSF

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The high temperature firing to process clay ceramics requires some kind of fuel, which is associated with cost and embodied energy of the final product. Saving in fuel by introducing substances with heating power represents both economical and energetical advantages. The incorporation of a fuel containing waste into the precursor clay body constitutes also an environmentally correct solution for the destination of the waste. A typical fuel-containing waste, generated in large scale, is the residual coal, which falls to the harbor yard during transfer from the cargo ship. This coal can no longer be embarked and is usually discarded in the environment. Its addition into ceramic clay is the most viable solution. Therefore, the objective of the present work is to characterize a residual coal in terms of its chemical constituents, heat power and granulometric distribution. The results indicate that the residual coal presents toxic compounds in amounts below the limits established by the environmental legislation. Its fine granulometry favors the addition to clay ceramics.

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Section: Introductionmentioning

confidence: 99%

Residual Coal Characterization for Addition to Red Clay Ceramics

Vieira

Monteiro

2015

MSF

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“…For instance, the cement and ceramic industries have been successfully incorporating wastes from steel making plants. The high temperature attained in both cement and ceramic industrial furnaces is able to incorporate the waste as an inert phase in the cement or the ceramic product [2].…”

Section: Introductionmentioning

confidence: 99%

Relevance of Ornamental Stone Residues in the Manufacture of Concrete Blocks for Structural Masonry

Azevedo

Alexandre

Xavier

et al. 2014

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The civil construction industry in Brazil is an ever growing sector with relevant participation in the country’s economy. On the other hand, this sector, technically, is among those that generate the largest amount of undesirable rejects, waste and residues. Some of these residues are highly detrimental to the environment not only because of landscape degradation but also the possibility of pollution to rivers and lakes as well as ground waters. A typical example is that of the ornamental stone industry, which generates granite and marble residues from the several processing stages. Therefore the aim of the present work is to investigate the effect of direct addition of this kind of residues in concrete blocks for different applications in housing masonry. It was found that blocks added with 20 wt% of residue possess relatively higher compression strength in association with convenient water absorption below those presented by residue-free traditional blocks.

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