Engineering Case of Pharmaceutical Odor Gas Treatment by Biological Purifier

The application of the biological purifier to treatment of odor gas from treatment of pharmaceutical wastewater. The removal rates of H2S, NH3, methyl mercaptan and dimethyl sulfide reach 98.6%, 97.6%, 92.0%, 83.2% respectively. After one-year operation, the results show that the system has stable operation, high removal efficiency and simple manipulation and management.