Clayey Ceramic Incorporated with Powder from the Sintering Plant of a Steel‐Making Industry

Ribeiro, Mônica Manhães; Monteiro, Sérgio Neves; Vieira, C. M. F.

doi:10.1002/9781118495285.ch118

Cited by 1 publication

(2 citation statements)

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“…The composition of these wastes varies according to the source of generation but usually contains iron, carbon, calcium, magnesium, silicon, manganese, zinc, and lead. Besides that, some slag and sludge contain a notable amount of heavy metals, and their improper deposition can negatively impact the environment [3,[14][15][16][17][18][19].…”

Section: Characteristics Of Steelmaking Wastes and Their Influence Onmentioning

confidence: 99%

“…Linear shrinkage of the clayey body as a function the amount of the PMW incorporated[19].Current Topics in the Utilization of Clay in Industrial and Medical Applications coefficients among the ceramic phases during the sintering stage. Due to the refractory nature of this clay, the sintering is impaired as well as the reduction of pores, event at temperatures around 1050°C.…”

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confidence: 99%

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Recycling of Steelmaking Plant Wastes in Clay Bricks

Vieira¹,

Amaral²,

Monteiro³

2018

Current Topics in the Utilization of Clay in Industrial and Medical Applications

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The steelmaking industrial sector generates a wide variety of solid wastes, predominantly composed of slag, dust, sludge, and scrap. The need to find a correct environmental alternative to recycle steelmaking wastes, as well as the possibility to bring some technical advantageous to clay bricks for civil construction, makes this industrial segment present itself as an excellent alternative for the reuse of these residues. In this way, some studies were presented in this chapter that evaluated the effect of incorporation of different steelmaking plant wastes such as blast furnace sludge, sludge, and slag from oxygen steel-refining process in the physical and mechanical properties of clay bricks for civil construction. As final considerations, the most investigated wastes present a particle size distribution compatible to clay brick processing. Although the wastes display different chemical and mineralogical composition, low amounts are well tolerated by the ceramic, not impairing the physical and mechanical properties. Furthermore, the presence of determined constituent, as, for example, fine coke in blast furnace sludge, can contribute significantly to save energy during the firing stage.

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