6.快滤池的运行 6.1出水水质的一般状况 滤后水水质在过滤周期开始肘一般较差,如果周期延长 足够的肘间,在过滤末期水质也会下降
6. 快滤池的运行 6.1 出水水质的一般状况 滤后水水质在过滤周期开始时一般较差，如果周期延长 足够的时间，在过滤末期水质也会下降
滤层成熟期出水浊度变化
滤层成熟期出水浊度变化
06 Ea,v8= 04 02 12 16 18 Filtrate VoFume-gpm-hr FIGURE 8. 16 Effluent iron content and filtrate volume. Observations for curves were made after initial improvement period Numbers by curves indicate filtration rate Curve along"X"marks indi- cates constant pressure Rate of this run started at 6 gpm/ft- and decreased to 4 gpm/ft- as head loss increased. (Source: J. L. Cleasby and E. R. Baumann, " Selection of Sand Filtration Rates, "Jour AwWA,545),May1962:579.)
强涡凝条件下出水浊度和水头损失变化
强混凝条件下出水浊度和水头损失变化
2 time-hr 弱凝条件下出水浊度和水头损失变化
弱混凝条件下出水浊度和水头损失变化