solvent extraction sx
溶剂萃取法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In this dissertation, a process of recovery zinc from low grade zinc oxide ore with HL - SX - EW was studied on the research of zinc solvent extraction.
论文研究了锌溶剂萃取工艺，提出了氧化锌矿渗滤浸出—萃取—电积工艺流程。
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The story is SX-EW (solvent extraction and electro-winning).
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