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Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Wang, Wu, Jin, Sun, and Zhang

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Title: Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Wang, Wu, Jin, Sun, and Zhang
Authors: Wang, Fan1 (AUTHOR), Wu, Shiyan1,2 (AUTHOR), Jin, Bingjie1 (AUTHOR) jinbingjie18@163.com, Sun, Baohua1 (AUTHOR), Zhang, Yuhui3 (AUTHOR) yhzhang86@126.com
Source: JOM: The Journal of The Minerals, Metals & Materials Society (TMS). May2025, Vol. 77 Issue 5, p3139-3150. 12p.
Subjects: Metal microstructure, Scanning electron microscopy, Pollution, Leaching, Metal compounds
Abstract: Germanium distillation residues (GDR) enriched with germanium and zinc, have important recovery values. However, they are mainly in stockpiles resulting in under-utilization of resources and environmental pollution. To address these issues, a hydrometallurgical process based on six-stage countercurrent water leaching followed by alkaline leaching was developed in this work. The effect parameters on the leaching behaviors of Ge, Zn and Fe in the whole process were studied systematically. The optimum leaching conditions of water leaching and alkaline leaching were found respectively. Under the optimum conditions of water leaching and alkaline leaching, the comprehensive leaching efficiencies of Ge, Zn and Fe were 80.62%, 98.76% and 89.33%, respectively. To deeply understand the leaching mechanism, a comprehensive leaching thermodynamic of Ge/Zn/Fe-Cl-H2O system was analyzed. Furthermore, the metals leaching behaviors, phase transformations and microstructure of metal compounds during the leaching processes were confirmed by X-ray diffraction and scanning electron microscopy/energy dispersive spectroscopy. This process enables a better recovery of germanium from GDR and has a good application prospect. [ABSTRACT FROM AUTHOR]
Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Wang, Wu, Jin, Sun, and Zhang
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  Data: <searchLink fieldCode="DE" term="%22Metal+microstructure%22">Metal microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Scanning+electron+microscopy%22">Scanning electron microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Pollution%22">Pollution</searchLink><br /><searchLink fieldCode="DE" term="%22Leaching%22">Leaching</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+compounds%22">Metal compounds</searchLink>
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  Data: Germanium distillation residues (GDR) enriched with germanium and zinc, have important recovery values. However, they are mainly in stockpiles resulting in under-utilization of resources and environmental pollution. To address these issues, a hydrometallurgical process based on six-stage countercurrent water leaching followed by alkaline leaching was developed in this work. The effect parameters on the leaching behaviors of Ge, Zn and Fe in the whole process were studied systematically. The optimum leaching conditions of water leaching and alkaline leaching were found respectively. Under the optimum conditions of water leaching and alkaline leaching, the comprehensive leaching efficiencies of Ge, Zn and Fe were 80.62%, 98.76% and 89.33%, respectively. To deeply understand the leaching mechanism, a comprehensive leaching thermodynamic of Ge/Zn/Fe-Cl-H2O system was analyzed. Furthermore, the metals leaching behaviors, phase transformations and microstructure of metal compounds during the leaching processes were confirmed by X-ray diffraction and scanning electron microscopy/energy dispersive spectroscopy. This process enables a better recovery of germanium from GDR and has a good application prospect. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11837-024-06951-2
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 3139
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      – SubjectFull: Metal microstructure
        Type: general
      – SubjectFull: Scanning electron microscopy
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      – SubjectFull: Pollution
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      – SubjectFull: Leaching
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      – SubjectFull: Metal compounds
        Type: general
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      – TitleFull: Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Leaching Behaviors of Germanium, Zinc and Iron from Germanium Distillation Residues by Water Leaching Followed by Alkaline Leaching: Wang, Wu, Jin, Sun, and Zhang
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              M: 05
              Text: May2025
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