曝气联合菌剂对农村黑臭水体治理效果研究
王莉,李亭亭,刘萌硕,黄龙

Treatment effect of aeration combined with bacteriological agent on rural black and odorous water body
Li WANG,Tingting LI,Mengshuo LIU,Long HUANG
表4 城市黑臭水体评价标准
Table 4 Evaluation criteria for urban black and odorous water bodies
特征指标 透明度/cm DO/(mg·L-1 ORP/mV NH3-N/(mg·L-1
轻度黑臭 25~10 0.2~2.0 -200~50 8.0~15
重度黑臭 < 10 < 0.2 < -200 >15