gas phase chlorination

例句：

1. 1. The process of gas phase chlorination is crucial for the purification of industrial wastewater.
   气相氯化过程对于工业废水的净化至关重要。
2. 2.During the gas phase chlorination process, the pollutants are broken down into smaller molecules.
   在气相氯化过程中，污染物被分解成更小的分子。
3. 3.Gas phase chlorination is an effective method for removing harmful substances from air and water.
   气相氯化是一种有效的方法，用于从空气中和水中去除有害物质。