The concentration of hydrogen chloride could reach 31%.

回收次品盐酸浓度达31%。

This acid is very corrosive to most metals; therefore, leaks of hydrogen chloride will tend to escalate with time.

铝具有很好的抗大气腐蚀的性能，但是和其他金属混在一起时容易发生化学反应。

The high concentration of carbon oxide and hydrogen chloride produced by LPG is 80 per cent less than that produced by a petrol engine.

液化石油气所产生的高关注的碳氧化物和氢氧化物，比汽油引擎产生的还少百分之80。

A large amount of hydrogen chloride in chlorination process was produced with the development and application of chlorine products in chlorination industry.

随着氯产品的不断开发和应用，氯化工业中产生大量的副产物氯化氢，同时带来氯碱工业的氯碱平衡问题。

The process selection in hydrogen chloride production was introduced, as well as the improvement of this process and units in the course of design and installation.

介绍了氯化氢生产的工艺路线选择及在采用二合一炉法的设计安装过程中对工艺流程设备、仪表等的改进内容。