招金膜天超滤膜组件设计导则
ZHAOJIN MOTIAN UF Module Design Standard
UF design parameter reference table
process variable
tap water
(NTU
＜1＝
ground water
（NTU＜5＝
surface water
（NTU＜5＝
surface water
（NTU＜25＝
surface water
（NTU＞25）
industrial
wastewater
（NTU＜20＝
Reclaimed
Water
（NTU＜20＝
Sea
water
（NTU＜5＝
Design Flux
(L/m2.hr.25
℃)
70-100
60-100 60-90 50-80 50-70 50-70 50-70 60-80
Recovery
（%）
90-98
90-98 90-95 85-95 85-95 80-90 80-90 90-95
Security Filter
（µm）
50-100
100 100 100 100 100 100 100
Operational Mode
Dead-end flow or
Cross flow
Dead-end flow or
Cross flow
Dead-end flow or
Cross flow
Dead-end flow or
Cross flow
Cross flow
Cross flow
Cross flow
Cross flow
Back Flush Frequency
（min）
40-60
40-60 30-60 30-45 30 30-40 30-40 30-60