2015-Sustainable Industrial Processing Summit
SIPS 2015 Volume 3: Takano Intl. Symp. / Metals & Alloys Processing
| Editors: | Kongoli F, Noldin JH, Mourao MB, Tschiptschin AP, D'Abreu JC |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2015 |
| Pages: | 550 pages |
| ISBN: | 978-1-987820-26-3 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Simultaneous Metallization And Dri Carburization In Dr Shaft Furnaces: A Sustainable Ironmaking Process
Jose D Abreu1; Edelink Falero1; Mauricio Otaviano2;1PUC-RIO, Rio de Janeiro, Brazil; 2SAMARCO MINING COMPANY, Ubu, Brazil;
Type of Paper: Plenary
Id Paper: 358
Topic: 3
Abstract:
The Direct Reduction processes are one of the most consolidated ironmaking technologies, particularly the DR shaft furnaces process, which amounts to more than 65% of the world DRI production. An important aspect is their low gaseous emission impact as compared with other ironmaking technologies, due to their top gas recycling feature, aiming to generate the reductant gases CO and H2 throughout the catalyzed reforming reactions between Natural Gas and CO2 or steam. Another significant technological aspect refers to the DRI carburization, which also plays a key role on the carbon process footprint, due to the electrical energy abatement on the further EAF steelmaking refining step. In this context, both the gas recycling and DRI carburization confer an undeniable sustainability differential to the DR shaft furnace process. The present communication deals with these issues, focusing the cooperative research programs between PUC-Rio University / Iron & Steelmaking Group and steelwork companies, ranging from experimental laboratories to applied mathematical models.
KEYWORDS: Direct Reduction; Ironmaking; DRI Carburization; Mathematical Models
Keywords:
Carbon; Iron; Metallurgy; Modeling; Recycling; Sustainability;References:
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