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Separating zinc from copper and zinc mixed particles using vacuum sublimation

机译：使用真空升华从铜和锌混合颗粒中分离锌

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摘要

This paper reports a method for separating zinc from copper and zinc mixed particles by vacuum sublimation. The factors influencing zinc sublimation have been studied, such as particle size and vacuum degree. Also, the factors affecting the efficiency of zinc separation from the mixed particles have been investigated and optimized, including layer height, heating time, vacuum degree and so on. The efficiency of zinc separation from the mixed particles achieves 96.19 wt% when the layer height is 1.1 cm, the vacuum degree is 0.01-0.05 Pa, the heating temperature is 1123 K, and the heating time is 105 min. With these optimized parameters, the copper purity increases from 95.07 to 99.80 wt%. The results provide foundations for separating metals with high pressures from the mixed metallic particles of crushed electronic waste.
机译：本文报道了一种通过真空升华从铜和锌混合颗粒中分离锌的方法。研究了影响锌升华的因素，例如粒径和真空度。而且，已经研究和优化了影响锌从混合颗粒中分离的效率的因素，包括层高，加热时间，真空度等。当层高为1.1cm，真空度为0.01-0.05Pa，加热温度为1123K，加热时间为105min时，从混合颗粒中分离锌的效率达到96.19wt％。通过这些优化的参数，铜的纯度从95.07 wt％提高到99.80 wt％。该结果为从破碎的电子废物的混合金属颗粒中分离高压金属提供了基础。

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