2016-Sustainable Industrial Processing Summit
SIPS 2016 Volume 6: Yagi Intl. Symp. / Metals & Alloys Processing
| Editors: | Kongoli F, Akiyama T, Nogami H, Saito K, Fujibayashi A |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2016 |
| Pages: | 480 pages |
| ISBN: | 978-1-987820-46-1 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Self-reduction process for ferroalloys
Cyro Takano1; Adolfo Zambrano2; Ricardo Braga1; Marcelo Breda Mourao1; Cesar Yuji Narita3; Jose Adilson de Castro4;1UNIVERSITY OF SAO PAULO, Sao Paulo, Brazil; 2PONTIFICIA UNIVERSIDAD CATOLICA DEL PERU, Lima, Peru; 3POLYTECHNIC SCHOOL OF THE UNIVERSITY OF SAO PAULO, Sao Paulo, Brazil; 4UFF - FEDERAL FLUMINENSE UNIVERSITY, Volta Redonda, Brazil;
Type of Paper: Plenary
Id Paper: 332
Topic: 3
Abstract:
Traditionally the self-reducing process for ironmaking relies on cold bond agglomeration for getting the mechanical strength and the main binder is normally Portland Cement. This binder confers excellent cold strength after curing, but loses it, at high temperatures around above 1173K, aggravated with reduction reactions. This is the main problem of self-reducing processes. This paper analyzes some peculiarities of self-reducing process for production of ferro-alloys, mainly for ferro-manganese and ferro-chromium. The reduction phenomena for ironmakling and ferro-alloys productions are quite different, which may affect negatively or positively the strength at high temperatures and the reduction rate of these carbon-ore composite agglomerates.
Keywords:
Composite; Extraction; Process;References:
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