用熔融还原的方法从浸钒渣中提镓——碳不饱和情况下的熔融还原过程
EXTRACTING Ga FROM V-LEACHING SLAG BY SMELTING REDUCTION(SR)——THE PROCESS OF SR WITH CARBON UNSATURATED
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摘要: 用热力学系统模型(SMT)对浸钒渣的熔融还原过程进行了模拟;在碳不饱和状态下,对浸钒渣中的镓的还原率与加碳量、CaO的加入量、还原时间及还原温度的影响进行了研究;对1550~1600℃溶解于铁液中的碳对渣中的镓的还原动力学过程进行了研究,该反应的限制性环节是渣与金属界面的化学反应。Abstract: The extraction of Ga from vanadium-leaching slag has been simulated by SMT.The rate of Ga reduction under different conditions,such as carbon content,CaO content,reduction time and temperature,has been studied;The kinetics of Ga extraction has been studied;The Reduction rate is limited by the chemical reaction at the interface between slag and metal.
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Key words:
- smelting reduction /
- vanadium-leaching slag /
- Ga extraction
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