Effects of Gaseous Sulfide on the Reduction of Iron Oxide Pellets
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概要
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Effects of addition of 5% of gaseous sulfide on the rate of reduction of iron oxide pellets were studied in temperature range of 800 to 1000°C with the following results:(1) The reduction rate was greatly decreased with the additon of COS and H2S respectively to CO and H2.(2) Analysis of the reduction rate based on the unreacted-core model and observation of the fractured surface of partially reduced pellets by using a scanning electron microscope and an electron probe microanalyzer demonstrated that the formation of dense FeS shells offered great resistance to the intraparticle diffusion of reducing gas toward the oxide core, thus greatly retarding the reduction of pellets, and that the partial penetration of the sulfide gas into the oxide core was also responsible to the decrease of reduction rate.
- The Iron and Steel Institute of Japanの論文
The Iron and Steel Institute of Japan | 論文
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