TMP of all the six membranes recovered well after backwashed periodically.It is shown that it is possible to pretreat high turbidity seawater by the ultrafiltration.

• 不同类型的超滤膜通过周期性的反洗可以使跨膜压差有较好的恢复率，这表明了超滤作为高浊度海水反渗透预处理是可行的。