动物造模,实验动物 z-bio 2022-11-30 329

　　Objective: To develop a device suitable for waste gas treatment in laboratory animal facilities, and to verify the effect through field application.

　　Methods: The exhaust gas treatment equipment based on MnOx-TiO2 photocatalysis and gas-liquid turbulence process was developed and manufactured, and it was installed on the floor of an experimental animal facility in Xi'an. According to the method specified in the national standard, three indicators of ammonia, hydrogen sulfide and odor concentration were selected. Compare the plant boundary concentration, exhaust outlet concentration and discharge amount of pollutants before and after treatment.

　　Results: After photocatalysis and gas-liquid turbulence treatment, the concentrations of ammonia, hydrogen sulfide and odor at the plant boundary were significantly reduced, and the removal rates were 96.9%, 95.8%, and 94.0%, respectively; the concentration and emission of pollutants at the exhaust port were significantly reduced. The measured indicators are all lower than the corresponding limits of the "Emission Standard for Odor Pollutants" (GB14554-93).

　　Conclusion: The waste gas treatment equipment based on the new photocatalysis and gas-liquid turbulence technology can effectively remove the main odor pollution emitted by the laboratory animal facilities and reduce the impact on the surrounding environment.