gas chlorination

例句：

1. 1.The process of gas chlorination is crucial for the purification of water.
   气体氯化过程对于水的净化至关重要。
2. 2. Gas chlorination is widely used in industrial processes to remove impurities.
   气体氯化在工业过程中被广泛使用，以去除杂质。
3. 3.During gas chlorination, ammonia is converted into chloramine, which is effective against bacteria and viruses.
   在气体氯化过程中，氨被转化为氯胺，对细菌和病毒具有很好的杀灭作用。