《Table 1.Industrial analysis results for the reductant used in the experiments》

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《Effect of reductant type on the embedding direct reduction of beach titanomagnetite concentrate》

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wt%

Bitumite，wheat-straw biochar（WS-char），and coke were collected from Yuzhou city，Henan province，China.The samples were cut to the sizes of 0.5–1.0 mm.The industrial analysis results for the reductant are shown in Table 1.To study the effect of gasification reactivity of the reductant on the embedding direct reduction process，bitumite was devolatilized in a fixed-bed reactor under a flowing nitrogen atmosphere at a temperature of 900°C for 60 min.The reactivity tests were then conducted under a CO2 atmosphere on a thermogravimetric analyzer.The gasification reactivity test methods are described in a previous paper[19].As shown in Fig.2，gasification reactivity of bitumite char is slightly better than that of WS-char.In addition，gasification reactivity of coke is the worst.