国产在线aaa片一区二区99,久久亚洲av成人无码国产电影,天天爽夜夜爽人人爽一区二区,免费看av在线网站网址

Haisen Pharmaceutical Co., Ltd. wastewater denitrification project

時間:2019-06-13

The concentration of NH4+-N produced by Haisen Pharmaceutical Co., Ltd. is 800-1200 mg/L, which is treated by Nine Dragon-Anqi Biological Denitrification Process. The designed treatment scale is 150 t/d, the reaction tower volume is only 10 m3, the ammonia nitrogen removal rate is as high as 95%, and the total nitrogen removal rate is above 85%.