真空蒸馏中Sb-Cu-Zn和Sb-Cu-Sn体系分离行为的实验研究与建模

IF 3.8 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Vacuum Pub Date : 2025-06-11 DOI:10.1016/j.vacuum.2025.114498

Qihong Wen , Xiangfeng Kong , Jia Yang , Dachun Liu , Hongwei Yang

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引用次数: 0

摘要

粗锑的真空蒸馏提纯需要热力学数据的指导。本文重点研究了Sb-Cu-Zn和Sb-Cu-Sn三元合金体系的VLE，并特别考虑了粗锑中的典型杂质。利用Wilson方程计算了这些合金体系中组分的活度，并根据气液相平衡理论构建了气液相图。实验结果与真空蒸馏中计算得到的VLE数据吻合较好。此外，采用Van Ness测试方法对二元和三元体系的实验数据进行了热力学一致性评估。本研究为预测多组分sb基合金体系的VLE相图和真空蒸馏提纯粗锑奠定了理论基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Experimental investigation and modeling of separation behavior for the Sb-Cu-Zn and Sb-Cu-Sn systems in vacuum distillation

The vacuum distillation refining of crude antimony requires the guidance of thermodynamic data. This study focuses on the experimental investigation and modeling of the VLE for the Sb-Cu-Zn and Sb-Cu-Sn ternary alloy systems, typical impurities in crude antimony were given special consideration. The activities of the components in these alloy systems are calculated using the Wilson equation, and the VLE phase diagrams are constructed based on the theory of vapor-liquid phase equilibrium. The experimental results are found to be consistent with the calculated VLE data in vacuum distillation. Additionally, the thermodynamic consistency of the experimental data for both binary and ternary systems was assessed using the Van Ness test method. This study establishes a theoretical foundation for both predicting VLE phase diagrams in multi-component Sb-based alloy systems and purifying crude antimony via vacuum distillation.

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来源期刊

Vacuum 工程技术-材料科学：综合

CiteScore

6.80

自引率

17.50%

发文量

审稿时长

34 days

期刊介绍： Vacuum is an international rapid publications journal with a focus on short communication. All papers are peer-reviewed, with the review process for short communication geared towards very fast turnaround times. The journal also published full research papers, thematic issues and selected papers from leading conferences. A report in Vacuum should represent a major advance in an area that involves a controlled environment at pressures of one atmosphere or below. The scope of the journal includes: 1. Vacuum; original developments in vacuum pumping and instrumentation, vacuum measurement, vacuum gas dynamics, gas-surface interactions, surface treatment for UHV applications and low outgassing, vacuum melting, sintering, and vacuum metrology. Technology and solutions for large-scale facilities (e.g., particle accelerators and fusion devices). New instrumentation ( e.g., detectors and electron microscopes). 2. Plasma science; advances in PVD, CVD, plasma-assisted CVD, ion sources, deposition processes and analysis. 3. Surface science; surface engineering, surface chemistry, surface analysis, crystal growth, ion-surface interactions and etching, nanometer-scale processing, surface modification. 4. Materials science; novel functional or structural materials. Metals, ceramics, and polymers. Experiments, simulations, and modelling for understanding structure-property relationships. Thin films and coatings. Nanostructures and ion implantation.