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| 氢还原铁氧化物 (【技】一般高炉煤气中的氢含量为2% -3%,主要来自鼓风湿分、焦炭有机氢和挥发分。高炉喷吹燃料，尤其是喷吹重油、天然气和高挥发烟煤后，煤气含氢量才明显增加。氢对氧的亲和力大于铁对氧的亲和力，因而可以从铁氧化物中夺取氧将铁还原。) | |||
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