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| Legemza J. |
| THE POSSIBILITIES OF UTILITIZING OF DUST AND SLUDGE FROM STEEL INDUSTRY |
Abstract
The objective of this work was to provide more insight into the processes affecting the reduction behavior of converter steel dust and sludge by the sintering.
To produce sinter, the converter steel dust and sludge were mixed with iron ore, limestone and coke. The mixture was ignited on a sinter strand and as air passes through the bed, the hot flame front causes sintering of the particles to agglomerate. The actual sintering process takes place in a very short time in which temperatures from 1400 to 1450oC are attained. Due to the nature of this process, the result was an inhomogeneous product with low contents of Pb, Zn.
In the theoretical part of present work, basic data about problematic of lead and zinc removal from converter steel dust and sludge by reduction were studied.
Experimental work consists of two parts. In the first part of present work thermodynamic analyse of reactions is summarized. The second part is divided into laboratory, pilot plant and full plant experiments of lead and zinc removal from converter steel dust.
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| Keywords: sintering|converter steel dust|converter steel sludge|lead and zinc removal| |
| No 2 (2004), p. 80-87 |
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| Híreš O. |
| IMPROVING OF FORGING DIES LIFE |
| Keywords: forging die|life improving|nitriding|refining|electro chemical treatment|facing|die hollow| |
| No 2 (2004), p. 125-131 |
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