treating agent for natural gas purification

例句：

1. 1. The treating agent is crucial in the process of removing impurities from water.
   处理剂在去除水中杂质的过程中至关重要。
2. 2. The treatment agent was developed to improve the quality of the treated water.
   这种处理剂被开发出来是为了提高处理过的水的质量和纯度。
3. 3. The treatment agent is used in various industries to remove pollutants and contaminants.
   这种处理剂被用于各种工业中，以去除污染物和杂质。