- The ore was heated in the kilns to drive off water and carbonic acid gas.
- Acidic gas or water can also ruin the monolith.
- The cure characteristics of STW, which was removed from acid gas ,was researched.
- The PMK controller is utilized in the sulphur recovery equipment in Qilu Shengli Oil Refinery to control the acid gas and sulphur trecovery.
- This is especially important when PTFE washers are being used in acid gas service where the elimination of moisture contamination is critical.