RECYCLING OF BENEFITED BLAST FURNACE SLUDGE INTO RED CLAY CERAMIC

被引：0
|
作者：
Fontes Vieira, Carlos Mauricio [1 ]
Monteiro, Sergio Neves [2 ]
Abreu, Mariana Miranda [1 ]
Riter, Aline Viana [1 ]
Vernilli, Fernando [3 ]
Candido, Veronica Scarpini [2 ]
机构：
[1] UENF State Univ Northern Rio de Janeiro, Adv Mat Lab, LAMAV, UENF, Av Alberto Lamego 2000, BR-28013602 Campos Dos Goytacazes, Brazil
[2] IME, Dept Mat Sci, BR-22290 Rio De Janeiro, Brazil
[3] Univ Sao Paulo, EEL, Sao Paulo, Brazil
来源：
20TH BRAZILIAN CONFERENCE ON MATERIALS SCIENCE AND ENGINEERING | 2014年 / 775-776卷
关键词：
red ceramic; blast furnace sludge; waste-recycling; steel-making industry;
D O I：
10.4028/www.scientific.net/MSF.775-776.607
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The blast furnace sludge is a waste generated after the washing step of the blast furnace gas. The reuse of this waste in the steelmaking process itself is quite problematic. This study aims to analyze the possibility of the incorporation of a type of blast furnace sludge, benefited by a process that uses helical separators, into red ceramic. Specimens were prepared by uniaxial pressing at 20 MPa and then fired at 750 degrees C and 950 degrees C. The evaluated technological properties were linear shrinkage, water absorption and flexural rupture strength. The results showed that the benefited blast furnace sludge significantly influences the evaluated properties, by impairing the linear shrinkage and the water absorption but improving the mechanical strength.
引用
收藏
页码：607 / +
页数：2
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