Abstract

Analysis and prediction methodology developed by the authors for the behavior of microelements in blastfurnace smelting is used to analyze the distribution of arsenic, lead, and phosphorus between the main phases of the process. Original schemes are proposed for phase transitions of phosphorus, lead and arsenic in the blast-furnace process. On the example of arsenic, it is shown that for some microelements, entering a blast furnace with flux and non-flux materials, it is possible to suggest a fundamentally different nature of behavior in blast-furnace smelting. For practical purposes of monitoring and predicting the content of microelements in blast-furnace products the main behavior parameter is the “Relative conversion factor for microelements in blast-furnace products.”

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