中水生化处理的最佳停留时间

The most optimal retention time for greywater bio-chemical treatment

本文研究了洗浴废水在生物转盘中不同停留时间的处理效果。研究结果显示 :在停留时间为 0 .2 5— 1.5h内 ,洗浴废水中的CODCr、BOD5、SS和LAS的去除率随停留时间的增加其增幅较大 ,但随着停留时间的继续延长 ,去除率增加幅度逐渐变小 ,研究结果表明 ,洗浴废水生物处理的最佳停留时间为 1.5h。

The impacts of different retention times to treat greywater have been researched in this paper. The results show: in the wake of increase of retention time from 0.25 to 1.5 hours, the removal rates of COD_ Cr ?BOD_5?SS and LAS greatly increase. When the retention time increases from 1.5 to 3.85 hours, the removal rates of COD_ Cr ?BOD_5?SS and LAS increase less. 1.5 hours is the most optimal retention time of greywater biological treatment.