ISSN 2594-5300
34º Seminário de Aciaria — Vol. 01 , num. 34 (2003)
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Abstract
OXYFINES™ is an oxy-fuel based concept for in-plant recycling. It provides fines, dust, sludge (without any drying-step) and other by-products arising in the steel and metal producing industries to be recycled directly back into existing processes or a separate unit on-site. The results from full-scale installation (20,000 tpy), full and pilot scale trials with dry and wet materials in the steel and ferroalloy industries are presented. These include, e.g., blast furnace dust and sludge, converter dust and sludge, and electric arc furnace dust. OXYFINES™ does not only provide a solution to the problems connected to dust and sludge generated in metal production. It also turns these materials into a low-cost raw material useful for the production in question, thus replacing a part of the raw material input. The paper reviews the OXYFINES™ concept, its status and benefits; its use for sludge recycling is emphasized.
OXYFINES™ is an oxy-fuel based concept for in-plant recycling. It provides fines, dust, sludge (without any drying-step) and other by-products arising in the steel and metal producing industries to be recycled directly back into existing processes or a separate unit on-site. The results from full-scale installation (20,000 tpy), full and pilot scale trials with dry and wet materials in the steel and ferroalloy industries are presented. These include, e.g., blast furnace dust and sludge, converter dust and sludge, and electric arc furnace dust. OXYFINES™ does not only provide a solution to the problems connected to dust and sludge generated in metal production. It also turns these materials into a low-cost raw material useful for the production in question, thus replacing a part of the raw material input. The paper reviews the OXYFINES™ concept, its status and benefits; its use for sludge recycling is emphasized.
Keywords
recycling, dust, sludge, oxy-fuel, steel industry.
recycling, dust, sludge, oxy-fuel, steel industry.
How to cite
Schéele, Joachim von; Lima, Reinaldo.
IN-PLANT RECYCLING OF DUST AND SLUDGE: THE OXYFINES™ CONCEPT,
p. 409-418.
In: 34º Seminário de Aciaria,
Rio de Janeiro, Brasil,
2003.
ISSN: 2594-5300, DOI 10.5151/2594-5300-2989
