sour gases removal

• 净化

sour gases removal的用法和样例：

例句

1. The catalytic activated carbon deodorizing device was used for purifying odorous gases in sewage pumping station.
   采用催化型活性炭除臭装置对污水泵站产生的臭气进行净化。
2. To investigate the relationship between photosynthesis and contamination removal efficiency, constructed wetlands were used to treat urban sewage.
   摘要利用人工湿地处理生活污水，考察了湿地植物光合作用特性及其与污染物净化效果的关系。