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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 02
SUMMARY:Effects of steelmaking slag usage on iron ore sintering quality
DESCRIPTION:Iron ore sintering raw blends include various materials such as iron ore, coke, limestone, and recyclable ironmaking and steelmaking byproducts such as return sinter, slags, and sludges. One of these byproducts is basic oxygen furnace (BOF) slag which due to its high calcium and iron content regularly used in sintering by industry. As a recyclable material, it could partially substitute raw materials that include calcium and iron thus could provide sustainability and cost advantages to integrated steel plants. However, due to its impurity content, and physical and phase structure it could also deteriorate process efficiency or product properties. Thus, it is highly beneficial to define the effects of the BOF slag ratio in the raw blend on sintering parameters and sinter product. 
In this study, pilot scale sintering experiments were conducted with different BOF slag rates in raw blend changing from %0 to %9.25 and changes at the process parameters such as flame front speed, productivity and yield, and product properties such as tumbler index, shatter index and reduction disintegration index are investigated. The result showed that BOF slag usage could increase yield due to its lower loss on ignition compared to limestone however sintering time, productivity, and RDI could worsen with an increase in BOF slag usage rate.  

CLASS:PUBLIC
DTSTART:20230614T132000
DTEND:20230614T134000
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