少妇人妻精品一区二区三区,亚洲欧洲中文日韩久久av乱码,激情内射亚州一区二区三区爱妻,无套内内射视频网站

梟龍-Anqi Biological Nitrogen Removal System

時(shí)間:2019-06-13

The water content of a pharmaceutical wastewater in Zhejiang is 100 m3/d, and the concentration of NH4+-N is 500-800 mg/L. After treatment, the concentration of NH4+-N in the effluent is less than 5 mg/L. Special emission standards for ammonia nitrogen in the Qiantang River Basin. Anchita has a total volume of 20m3, an effective volume of 10 m3, and an ammonia nitrogen volume load of 5~8 kg/(m3•d). The project has a small footprint, low investment and operating costs, and the system is very stable.