| 响应曲面优化粗锡真空蒸馏 |
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| 引用本文： | 蒲正浩,韩继标,李一夫,杨斌,戴永年.响应曲面优化粗锡真空蒸馏[J].过程工程学报,2018,18(3):496-502. |
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| 作者姓名： | 蒲正浩 韩继标 李一夫 杨斌 戴永年 |
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| 作者单位： | 1. 昆明理工大学真空冶金国家工程实验室，云南 昆明 650093；2. 复杂有色金属资源清洁利用国家重点实验室，云南 昆明 650093; 3. 云南省有色金属真空冶金重点实验室，云南 昆明 650093 |
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| 基金项目： | As-Pb混合蒸汽冷凝机理的研究 |
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| 摘 要： | 采用响应曲面法优化粗锡真空蒸馏工艺，研究了蒸馏温度、保温时间和原料质量对粗锡真空蒸馏提纯效果的影响. 结果表明，蒸馏温度和保温时间对粗锡真空蒸馏影响较大，原料质量的影响较小，蒸馏温度1350~1400℃、保温时间40~60 min时可有效去除粗锡中杂质. 以97.4185%的粗锡为原料，在蒸馏温度1400℃、保温60 min的条件下，锡纯度达99.8752%，含0.012% Pb, 0.045% Sb, 0.0005% Bi和0.0005% As，Fe和Cu含量无变化，Sn直收率达99.89%.
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| 关 键 词： | 粗锡 真空蒸馏 响应曲面法 直收率 |
| 收稿时间： | 2017-08-14 |
Optimization of Crude Tin Vacuum Distillation by Response Surface Methodology |
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| Zhenghao PU,Jibiao HAN,Yifu LI,Bin YANG,Yongnian DAI.Optimization of Crude Tin Vacuum Distillation by Response Surface Methodology[J].Chinese Journal of Process Engineering,2018,18(3):496-502. |
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| Authors: | Zhenghao PU Jibiao HAN Yifu LI Bin YANG Yongnian DAI |
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| Affiliation: | 1. National Engineering Lab for Vacuum Metallurgy, Kunming University of Science and Technology, Kunming, Yunnan 650093, China; 2. State Key Laboratory of Complex Non-ferrous Metal Resources Clear Utilization, Kunming, Yunnan 650093, China; 3. Key Laboratory of Vacuum Metallurgy for Nonferrous Metal of Yunnan Province, Kunming, Yunnan 650093, China |
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| Abstract: | Effects of the distillation temperature, the holding time and raw materials mass on vacuum distillation of crude tin were studied by response surface methodology. The results showed that the distillation temperature and holding time had remarkable influences and raw materials mass had little influence on vacuum distillation. The impurities in crude tin were effectively removed at 1350~1400℃ for 40~60 min. After vacuum distillation crude tin of 97.4185% at 1400℃ for 60 min, tin was purified up to 99.8752% with 0.012% Pb, 0.045% Sb, 0.0005% Bi, 0.0005% As with no variation of Fe and Cu content, and the direct recovery rate of tin was 99.89%. |
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| Keywords: | crude tin vacuum distillation response surface methodology direct recovery rate |
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