Status and development of the comprehensive utilization of the steel slag at Baosteel
Jianping Liu, Guo Daoqing, Zhu Juanyue, Xiaofeng Chen
Abstract
Jianping Liu, Guo Daoqing, Zhu Juanyue, Xiaofeng Chen
Abstract
The steel slag at Baosteel mainly comes from basic oxygen furnaces(BOF),electric arc furnaces(EAF),continuous casting and hot metal pretreatment.The output of the steel slag at Baosteel was 4.43 Mt in 2010.The steel slag was utilized both within the company and across the society,and the utilization rate within the company achieved was 16%.This study describes the current status and existing problems in those technologies of treating and using steel slag,in the aspects of primary treatment,secondary treatment and advanced treatment,and it points out the development's direction.
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The steel slag at Baosteel mainly comes from basic oxygen furnaces(BOF),electric arc furnaces(EAF),continuous casting and hot metal pretreatment.The output of the steel slag at Baosteel was 4.43 Mt in 2010.The steel slag was utilized both within the company and across the society,and the utilization rate within the company achieved was 16%.This study describes the current status and existing problems in those technologies of treating and using steel slag,in the aspects of primary treatment,secondary treatment and advanced treatment,and it points out the development's direction.
Key concepts: Slag (welding), Electric arc furnace, Metallurgy, Continuous casting, Basic oxygen steelmaking, Steelmaking, Materials science