ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Influence of CaO and Na2CO3 as Additive on the Reduction of Hematite-Lignite Mixed Pellets
Amitava Basumallick
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1995 年 35 巻 9 号 p. 1050-1053

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Iron oxide-lignite mixed pellets with minor addition of CaO and Na2CO3 were reduced isothermally at 900, 950 and 1000°C under constant flow rate of nitrogen gas. The variable parameters studied are the amount of carbon, reduction temperature and the amount of additive. The experiments were statistically planned in order to quantitatively assess the effect of each variable and the interactional effect of different variables.
It was found that under the nitrogen gas atmosphere, the amount of carbon, reduction temperature and the amount of Na2CO3 substantially influence the degree of reduction.

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© The Iron and Steel Institute of Japan
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