ADDITION OF ELECTRIC ARC FURNACE DUST IN HOT METAL

被引：0

作者：

Grillo, Felipe Fardin ^{[1
]}

de Oliveira, Jose Roberto

Romano Espinosa, Denise Crocce ^{[1
]}

Soares Tenorio, Jorge Alberto ^{[1
]}

机构：

[1] Univ Sao Paulo, BR-05508030 Sao Paulo, Brazil

来源：

EPD CONGRESS 2012 | 2012年

关键词：

EAFD; recycling; iron and zinc;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The aim of this work was evaluation of the recovery of Zn and Fe of the EAFD added to the hot metal in the form of briquette at temperature of 1500 degrees C. The EAFD was agglomerated by cold briquetting and introduced in the hot metal. This study utilized a bench-scale equipment to melt, during this process to kept a flow rate of inert gas above the bath. Were collected periodically metal samples and the samples were analyzed for determination of the content of total silicon and carbon by chemical analysis. Zinc oxide, zinc ferrite and other oxides were reduced and were volatized and collected by a cleaning system of dust (baghouse) located on top of the oven. More than 98% of iron were recovered from EAFD during the test. It was possible to produce a dust containing about 68% zinc by means of adding of EAFD.

引用

页码：361 / 367

页数：7

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