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Separation of arsenic and antimony: A comprehensive theoretical and experimental study

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Title: Separation of arsenic and antimony: A comprehensive theoretical and experimental study
Authors: Zibin Zuo, Rongbo Zhu, Xinyang Liu, Xiumin Chen, Tengteng Shi, Xianjun Lei, Jian Wu, Wenlong Jiang, Bin Yang, Baoqiang Xu, Huan Luo
Source: Journal of Materials Research and Technology, Vol 31, Iss , Pp 1080-1090 (2024)
Publisher Information: Elsevier, 2024.
Publication Year: 2024
Collection: LCC:Mining engineering. Metallurgy
Subject Terms: Arsenic, Antimony, Separation, Vacuum sublimation, Purification, Mining engineering. Metallurgy, TN1-997
More Details: Arsenic is commonly used in alloy materials and the semiconductor industry, and has promising applications. Arsenic and antimony have similar physicochemical properties, and their binding and separation mechanisms are unknown, thereby limiting the purification and preparation of arsenic. This study, from a microscopic perspective, reveals that arsenic and antimony covalently interact in alloys through a combination of thermodynamic analysis and molecular dynamics simulations. In addition, antimony as arsenic-antimony clusters enters the gas phase, and the diffusion coefficients of the clusters are in the order of As4>As3Sb > As2Sb2>AsSb3. A green and efficient vacuum sublimation-graded condensation process for arsenic purification is proposed based on the different diffusion coefficients to obtain the optimal process parameters. The coalescence of arsenic on a condenser was normally distributed. The removal rate of antimony in the most concentrated area of the condensate was 91.37% under the optimal conditions of 748 K, 60 min, and 10 Pa. Thus, the proposed method effectively solves the challenging problem of separating arsenic and antimony, and the study results provide theoretical support for purifying arsenic via vacuum sublimation.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2238-7854
Relation: http://www.sciencedirect.com/science/article/pii/S2238785424013802; https://doaj.org/toc/2238-7854
DOI: 10.1016/j.jmrt.2024.06.069
Access URL: https://doaj.org/article/1a2a78b7e4f54a41abd2bfc8efe48855
Accession Number: edsdoj.1a2a78b7e4f54a41abd2bfc8efe48855
Database: Directory of Open Access Journals
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  Data: Separation of arsenic and antimony: A comprehensive theoretical and experimental study
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  Data: <searchLink fieldCode="AR" term="%22Zibin+Zuo%22">Zibin Zuo</searchLink><br /><searchLink fieldCode="AR" term="%22Rongbo+Zhu%22">Rongbo Zhu</searchLink><br /><searchLink fieldCode="AR" term="%22Xinyang+Liu%22">Xinyang Liu</searchLink><br /><searchLink fieldCode="AR" term="%22Xiumin+Chen%22">Xiumin Chen</searchLink><br /><searchLink fieldCode="AR" term="%22Tengteng+Shi%22">Tengteng Shi</searchLink><br /><searchLink fieldCode="AR" term="%22Xianjun+Lei%22">Xianjun Lei</searchLink><br /><searchLink fieldCode="AR" term="%22Jian+Wu%22">Jian Wu</searchLink><br /><searchLink fieldCode="AR" term="%22Wenlong+Jiang%22">Wenlong Jiang</searchLink><br /><searchLink fieldCode="AR" term="%22Bin+Yang%22">Bin Yang</searchLink><br /><searchLink fieldCode="AR" term="%22Baoqiang+Xu%22">Baoqiang Xu</searchLink><br /><searchLink fieldCode="AR" term="%22Huan+Luo%22">Huan Luo</searchLink>
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  Data: Journal of Materials Research and Technology, Vol 31, Iss , Pp 1080-1090 (2024)
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  Data: Elsevier, 2024.
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  Data: 2024
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  Data: LCC:Mining engineering. Metallurgy
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  Data: <searchLink fieldCode="DE" term="%22Arsenic%22">Arsenic</searchLink><br /><searchLink fieldCode="DE" term="%22Antimony%22">Antimony</searchLink><br /><searchLink fieldCode="DE" term="%22Separation%22">Separation</searchLink><br /><searchLink fieldCode="DE" term="%22Vacuum+sublimation%22">Vacuum sublimation</searchLink><br /><searchLink fieldCode="DE" term="%22Purification%22">Purification</searchLink><br /><searchLink fieldCode="DE" term="%22Mining+engineering%2E+Metallurgy%22">Mining engineering. Metallurgy</searchLink><br /><searchLink fieldCode="DE" term="%22TN1-997%22">TN1-997</searchLink>
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  Group: Ab
  Data: Arsenic is commonly used in alloy materials and the semiconductor industry, and has promising applications. Arsenic and antimony have similar physicochemical properties, and their binding and separation mechanisms are unknown, thereby limiting the purification and preparation of arsenic. This study, from a microscopic perspective, reveals that arsenic and antimony covalently interact in alloys through a combination of thermodynamic analysis and molecular dynamics simulations. In addition, antimony as arsenic-antimony clusters enters the gas phase, and the diffusion coefficients of the clusters are in the order of As4>As3Sb > As2Sb2>AsSb3. A green and efficient vacuum sublimation-graded condensation process for arsenic purification is proposed based on the different diffusion coefficients to obtain the optimal process parameters. The coalescence of arsenic on a condenser was normally distributed. The removal rate of antimony in the most concentrated area of the condensate was 91.37% under the optimal conditions of 748 K, 60 min, and 10 Pa. Thus, the proposed method effectively solves the challenging problem of separating arsenic and antimony, and the study results provide theoretical support for purifying arsenic via vacuum sublimation.
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  Data: http://www.sciencedirect.com/science/article/pii/S2238785424013802; https://doaj.org/toc/2238-7854
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        Value: 10.1016/j.jmrt.2024.06.069
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      – Text: English
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        PageCount: 11
        StartPage: 1080
    Subjects:
      – SubjectFull: Arsenic
        Type: general
      – SubjectFull: Antimony
        Type: general
      – SubjectFull: Separation
        Type: general
      – SubjectFull: Vacuum sublimation
        Type: general
      – SubjectFull: Purification
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      – SubjectFull: Mining engineering. Metallurgy
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      – SubjectFull: TN1-997
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      – TitleFull: Separation of arsenic and antimony: A comprehensive theoretical and experimental study
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