Recovery of nitric acid and gold from gold-bearing aqua regia by tributyl-phosphate

Mooki Bae,Jae-chun Lee,Hyunju Lee,Soo-kyung Kim

Separation and Purification Technology（2020）

引用 16|浏览5

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摘要

•Simultaneous solvent extraction using tributyl phosphate (TBP) was investigated.•Gold ion and HNO3 from gold-bearing aqua regia solution successfully extracted.•Loaded gold and HNO3 can be selectively recovered by stepwise stripping.

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关键词

Aqua regia,Nitric acid,Gold,TBP,Solvent extraction

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