Kinetic Investigations on the Leaching of Niobium from a Low-Grade Niobium-Tantalum Ore by Concentr

来源 :中国化学工程学报：英文版 | 被引量 : 0次 | 上传用户：gf5ete346v

【摘要】

：

The leaching kinetics of niobium from a low-gr~te niobium-tantalum ore by concentrated KOH solution under atmospheric pressure has been studied. Significant eff

【作者】

：

周宏明郑诗礼张懿

【机构】

：

InstituteofProcessEngineering

【出处】

：

中国化学工程学报：英文版

【发表日期】

：

2004年2期

【关键词】

：

铌动力学过滤技术钽 KOH 扩散控制温度 clean process leaching kinetics KOH niobium-tantalu

【基金项目】

：

Supported by the National Natural Science Foundation of China (No. 50234040 and No. 20306031).

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The leaching kinetics of niobium from a low-gr~te niobium-tantalum ore by concentrated KOH solution under atmospheric pressure has been studied. Significant effects of reaction temperature, KOH concentration,stirring speed, particle size and mass ratio of

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Kinetic Investigations on the Leaching of Niobium from a Low-Grade Niobium-Tantalum Ore by Concentr

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