Process Design of Lithium Extraction from Lepidolite by Sulfuric Acid-Sulfate Mixed Roasting AITranslate

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Chinese Library Classification Number:TF826.3[冶金工程—有色金属冶金]

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By analyzing the composition of lepidolite ore and the current status of lithium extraction techno-logy,a innovative technology applying sulfuric acid-sulfate mixed roasting to extract lithium from lepidolite is put forward in this paper.A systematic analysis of a designed process using the innovative technology to extract lithium from lepidolite is conducted from the perspectives of process flow,main equipment,technical index,and pollution control in production process.The technology enables the effective extraction of Li,Rb,and Cs from lepidolite,with their recovery rates of 80.3%,54%,and 61%,respectively.