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Metallurgist
Published in: Metallurgist 9-10/2012

01-01-2012

Environmental aspects of industrial technologies for recycling sludge and dust that contain iron and zinc

Author: I. F. Kurunov

Published in: Metallurgist | Issue 9-10/2012

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Abstract

An analysis is made of the total emission of CO2 when blast-furnace and converter sludges are recycled by briquetting and the briquettes are used to make pig iron by different technologies. The lowest CO2 emission is seen with the use of green briquettes and briquettes metallized in a rotary hearth furnace. The CO2 emissions are 1.3 and 1.8 times higher, respectively, when green briquettes melted in an OXYCUP cupola and briquettes metallized by the Welz process are used to smelt pig iron.
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Footnotes
1
The PRIMUS technology was not included in the analysis, due to its limited productivity.
 
Literature
1.
L. Hooey, A. Boden, J. Lovgren, et al., “The oxygen blast furnace – a nordic perspective,” Proc. 6th Europ. Coke and Ironmaking Congr., June 27 – July 1, 2011, Dusseldorf, Germany.
2.
P. A. Kozlov, The Welz Process [in Russian], ID Ruda i Metally, Moscow (2002).
3.
I. F. Kurunov and N. A. Savchuk, Status and Prospects of Iron Metallurgy Outside the Blast Furnace [in Russian], Chermetinformatsiya, Moscow (2002).
4.
C. Hillmann and K.-J. Sassen, “Proc. of zinc-bearing BOF dusts in blast furnace,” Proc. 6th Europ. Coke and Ironmaking Congr., June 27 – July 1, 2011, Dusseldorf, Germany.
5.
T. Nakayama, E. Noda, D. Johbe, et al., “Rotary hearth furnace process for recycling steelmaking dust and sludge,” ibid.
6.
A. Gugliemini, G. Pensierri, and F. De Simoni, “Combining RedIron and cold treatment process to optimize the recycling of iron-bearing residues at a large size integrated steel plant,” ibid.
7.
A. Gugliemini, G. Pensierri, and F. De Simoni, et al., “RedIron: the best available cost-effective solution for recycling iron-bearing waste from integrated iron and steel plants,” Proc. AIST, May 2–5, 2011, Indianapolis, Ind., USA.
8.
M. Lemperle and H.-J. Rachner, “Liquid Hot Metal from OXYCUP,” Proc. 6th Europ. Coke and Ironmaking Congr., June 27 – July 1, 2011, Dusseldorf, Germany..
9.
C. B. von Varnbuler, “Investment in environmental technology is not only an advantage for environment,” ibid.
10.
R. Frieden, T. Hansmann, J. Monai, et al., “New process for metallizing iron ores and recycling wastes,” Stal, No. 4, 69–72 (2001).
11.
V. G. Lisienko, A. V. Lapteva, and Yu. N. Chesnokov, “Comparative ecological and greenhouse analysis of alternative coke-less processes for making pig iron and steel,” Metallurg, No. 7, 40–45 (2011).
Metadata
Title
Environmental aspects of industrial technologies for recycling sludge and dust that contain iron and zinc
Author
I. F. Kurunov
Publication date
01-01-2012
Publisher
Springer US
Published in
Metallurgist / Issue 9-10/2012
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-012-9479-x

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