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30 August 2022 Research on the mortar properties of basic oxygen furnace slag based on component adjustment by electric arc furnace slag
Zaibo Li, Yongping Zhang, Tusheng He
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Proceedings Volume 12309, International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2022); 123091H (2022) https://doi.org/10.1117/12.2645644
Event: International Conference on Advanced Manufacturing Technology and Manufacturing System (ICAMTMS 2022), 2022, Shijiazhuang, China
Abstract
The use of steel slag to prepare cementitious materials has significant economic and environmental benefits. However, steel slag has shortcomings such as large fluctuation in composition, high content of free calcium oxide, and difficulty in stable control of product quality in industrial production, which seriously restricts the large-scale applications of steel slag in building materials industry. This study proposes to use electric arc furnace (EAF) slag as a component adjustment material to react with basic oxygen furnace (BOF) slag at high temperature, in order to optimize the composition and structure of BOF slag, thereby improving its cementitious activity. The results show that using EAF slag as a component adjustment material to remelt BOF slag at high temperature can improve the cementitious properties of BOF slag mortar samples at various curing ages. When the early cementitious properties are the main target, the optimal remelting conditions are: the remelting temperature is 1150 °C–1200 °C, and the dosage of EAF slag is 10%–15%.
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Zaibo Li, Yongping Zhang, and Tusheng He "Research on the mortar properties of basic oxygen furnace slag based on component adjustment by electric arc furnace slag", Proc. SPIE 12309, International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2022), 123091H (30 August 2022); https://doi.org/10.1117/12.2645644
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KEYWORDS
Cements
Composites
Minerals
Iron
Diffraction
Raw materials
Silicates
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