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2020 | OriginalPaper | Buchkapitel

Reductive Leaching of Indium-Bearing Zinc Leaching Residue in Sulfuric Acid and Sulfur Dioxide

verfasst von : Zhi-gan Deng, Guang Fan, Chang Wei, Gang Fan, Min-ting Li, Xing-bin Li, Cun-xiong Li

Erschienen in: Rare Metal Technology 2020

Verlag: Springer International Publishing

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Abstract

The leaching residue in zinc smelting system is taken as the research object, and the experiment of leaching residue in reduction leaching under sulphuric acid–sulfur dioxide system is carried out. The effects of reaction temperature, liquid–solid ratio, initial sulfuric acid concentration, partial pressure of SO2, and stirring speed on leaching rate of medium leaching residue under sulfuric acid-sulfur dioxide reduction conditions were studied. The leaching rates of zinc 95.24%, iron 98.66%, indium 95.04%, and copper 0.036% in medium leaching residue can be obtained at the conditions of temperature of 105 °C, time of 4 h, liquid–solid ratio of 8 ml/g, initial sulfuric acid concentration of 120 g/L, SO2 partial pressure of 200 kPa, and stirring speed of 500 r/min.

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Metadaten
Titel
Reductive Leaching of Indium-Bearing Zinc Leaching Residue in Sulfuric Acid and Sulfur Dioxide
verfasst von
Zhi-gan Deng
Guang Fan
Chang Wei
Gang Fan
Min-ting Li
Xing-bin Li
Cun-xiong Li
Copyright-Jahr
2020
DOI
https://doi.org/10.1007/978-3-030-36758-9_36

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