| 加盐精馏提浓盐酸的工艺研究 |
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| 引用本文： | 程庆来,白鹏,胡文娜,张文. 加盐精馏提浓盐酸的工艺研究[J]. 天津化工, 2009, 23(1): 18-21 |
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| 作者姓名： | 程庆来 白鹏 胡文娜 张文 |
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| 作者单位： | 天津大学化工学院,天津300072 |
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| 摘 要： | 研究了稀盐酸中加入MgCh时HCl-H2O体系的气液平衡，实验表明MgCl2的盐效应对HCl-H2O体系的气液平衡影响十分明显，加入MgCl2可以改变原组分的相对挥发度和共沸组成。对间歇加盐精馏提浓盐酸的工艺方法进行了研究，加盐总量为100g，回流比为3：1，溶盐速率为0.5g／min时为本实验中精馏操作的最佳条件。
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| 关 键 词： | 加盐精馏 气液平衡 盐酸提浓 共沸组成 |
Salt-contained distillation technology in concentrating hydrochloric acid |
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| CHENG Qing-lai,BAI Peng,HU Wen-na,ZHANG Wen. Salt-contained distillation technology in concentrating hydrochloric acid[J]. Tianjin Chemical Industry, 2009, 23(1): 18-21 |
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| Authors: | CHENG Qing-lai BAI Peng HU Wen-na ZHANG Wen |
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| Affiliation: | (School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072) |
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| Abstract: | Discusses the salt effect on VLE of hydrochloric acid-water system in which adding MgCl2. The results show that the effect of MgCl2 on the VLE of hydrochloric acid-water system is evident,and adding MgCl2 into hydrochloric acid-water system can change the relative volatility and azeotropic composition.This paper also conducts the experiment of bach salt-contained distillation to concentrate hydrochloric acid.The results show that the optimum conditions of this experimental operation is that when the amount of MgCl2 is to 100g,the reflux ratio is 3：1 and the velocity of adding salts into reflux liquid is 0.5 g/min. |
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| Keywords: | salt-contained distillation vapor-liquid equilibrim hydrochloric acid concentration azeotropiccomposition |
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