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氯化铵分解制氨气和氯化氢工艺
引用本文:翟广伟,韩明汉,梁耀彰,高光华.氯化铵分解制氨气和氯化氢工艺[J].过程工程学报,2009,9(1):59-62.
作者姓名:翟广伟  韩明汉  梁耀彰  高光华
作者单位:清华大学化工系 清华大学化工系 清华大学化工系 清华大学化工系
摘    要:对NH4Cl分解的硫酸氢铵法和镁氧化物法分别进行了验证性实验研究,结果表明,NH4HSO4工艺NH4Cl转化率很低,不具有可行性;镁氧化物转化率较高,具有深入研究的价值. 对镁氧化物法的MgO, Mg(OH)2和Mg(OH)Cl三种工艺路线进行了系统研究,结果表明,这3种工艺的NH4Cl转化率均可达到90%以上. 与Mg(OH)Cl和Mg(OH)2工艺相比,MgO工艺具有流程简单、生产周期短、能耗小等优点. 当MgO:NH4Cl及H2O:NH4Cl的摩尔比分别为0.76:1和8.3:1时,在110℃反应4 h,氨气收率可达95%.

关 键 词:氯化铵分解    氯化氢  氧化镁  硫酸氢铵  
收稿时间:2008-9-19
修稿时间:2008-12-30

Decomposition of Ammonium Chloride for Production of Ammonia and Hydrogen Chloride
ZHAI Guang-wei,HAN Ming-han,LIANG Yao-zhang,GAO Guang-hua.Decomposition of Ammonium Chloride for Production of Ammonia and Hydrogen Chloride[J].Chinese Journal of Process Engineering,2009,9(1):59-62.
Authors:ZHAI Guang-wei  HAN Ming-han  LIANG Yao-zhang  GAO Guang-hua
Affiliation:Department of chemical engineering, Tsinghua University Department of Chemical Engineering, Tsinghua University Department of Chemical Engineering, Tsinghua University Department of Chemical Engineering, Tsinghua University
Abstract:Experimental verification was done on the techniques of ammonium bisulfate and magnesium oxidizers, which were used to decompose ammonium chloride into ammonia and hydrogen chloride.The results showed that ammonium hydrosulfate technique was infeasible due to its low conversion rate, whereas magnesium oxidizers technique was wealthy of further research.The techniques of magnesium oxide, magnesium hydroxide and basic magnesium chloride, which belong to the category of magnesium oxidizer technique, were syste...
Keywords:decomposition of ammonium chloride  ammonia  hydrogen chloride  magnesium oxide  ammonium hydrosulfate  
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