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