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Effects of Using Hydrogen in Metallurgical Tests for Blast Furnace Iron Ores

Most standard tests for blast furnace (BF) iron ores consider only CO as the reductant gas. Nevertheless, all BFs have different ranges of hydrogen in the reducing gases, which vary according to the auxiliary fuels used. A fundamental step in laboratory characterization is to reduce the gap between lab results and industrial data. This article shows the development of nonstandard metallurgical tests applied to pellets, lumps and sinter, considering H2 content as the reducing gas of a blast furnace with high natural gas injection rates. In addition, the nonstandard tests results are compared with industrial data of a real blast furnace.
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2026/04 AIST Iron & Steel Technology April
PR-PM0426-4
Soledad Oreggioni, Santiago Margot, Pedro Etchevarne, Roberto Musante
April 01, 2026
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