The results show that the turbidity and SDI of ultrafiltration permeation are low enough to meet the requirements of the feed water of the following reverse osmosis.

• 经二级生化处理后的废水,再经过直流絮凝和超滤去除悬浮物、降低浊度后,完全能够满足下游反渗透的进水要求,并最终实现整个回用水系统的可靠运行。