Upload
others
View
4
Download
0
Embed Size (px)
Citation preview
��
�
�
�
�
�
�
�
1000
0
10
20
30
40
300 900800700600500400
D iameter [ nm ]
Vo
lum
e f
rac
tion
of
pa
rtic
le s
ize
[ %
] Al2O3 1.0µm
Al2O3 0.6µm
0 10 20 30 40 50 600.2
0.4
0.6
0.8
1.0
1.2
Dead end flow
Cross flow (Flow rate : 12 L/hr)
Conc. : 1000 ppm ∆P : 1.0 kgf/cm2 Particle size : 1.0µm Memb. pore size : 0.34µm
J/Jo
Time [ min. ]
0.0
0.2
0.4
0.6
0.8
1.0
J dead
/ J
cros
s
0 10 20 30 40 50 60
1000
2000
3000
4000
5000
Particle size : 1.0µ m, Flow rate : 12 L/hr, Conc. : 200 ppm
Pore size 0 .34µ m : 1.0 kgf/cm2 2.0 kg f/cm2
Pore size 0 .24µ m : 1.0 kgf/cm2 2.0 kg f/cm2
Flu
x [
L/m
2 h
r ]
T ime [ min. ]
0 10 20 30 40 50 600.00
0.05
0.10
0.15
0.20
Pore size 0.34µ m : 1.0 kgf/cm2 2.0 kgf/cm2
Pore size 0.24µ m : 1.0 kgf/cm2 2.0 kgf/cm2
Particle size : 1.0µ m, Flow rate : 12 L/hr, Conc. : 200 ppm
Time [ min. ]
dR
/dt
[min
/m ]
x 1
0 -1
1
0 10 20 30 40 50 600
1000
2000
3000
Particle size 0.6µ m : 1.0 kg f/cm2 2.0 kgf/cm2
Particle size 1.0µ m : 1.0 kg f/cm2 2.0 kgf/cm2
Memb. pore size : 0.34µ m
Conc. : 1000ppm , Flow rate : 12 L/hr
Flu
x [
L/m
2 h
r ]
T ime [ min. ]
0 10 20 30 40 50 600.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Particle size 0.6µ m : 1.0 kgf/cm2 2.0 kg f/cm2
Particle size 1.0µ m : 1.0 kgf/cm2 2.0 kg f/cm2
Memb. pore size : 0.34µ m
Conc. : 1000ppm , Flow rate : 12 L/hr
Time [ min. ]
dR
/dt
[ h
r/m
] x
10
-11
0 10 20 30 40 50 600
1000
2000
3000
Particle size 0.6µm : 200ppm 1000ppm Particle size 1.0µm : 200ppm 1000ppm
Memb. pore size : 0.34µm, ∆P : 1.0kgf/cm2, Flow rate : 12 L/hr
Flu
x [
L/m
2 hr
]
Time [ min. ]
0 10 20 30 40 50 600.0
0.1
0.2
0.3
0.4
Memb. pore size : 0.34µm, ∆P : 1.0kgf/cm2, Flow rate : 12 L/hr
Particle size 0.6µm : 200ppm 1000ppm Particle size 1.0µm : 200ppm 1000ppm
Time [ min. ]
dR/d
t [
hr/m
] x
10
-11
0 10 20 30 40 50 600
1000
2000
Particle size 0.6µm : 12L/hr, 24L/hr
Particle size 1.0µm : 12L/hr, 24L/hr
Memb. pore size : 0.34µm
Conc. : 1000 ppm, ∆P : 1.0kgf/cm2
Flu
x [
L/m
2 h
r ]
T ime [ min. ]
0 10 20 30 40 50 600.0
0.1
0.2
0.3 Memb. pore size : 0.34µm
Conc. : 1000 ppm, ∆P : 1.0kgf/cm2
dR
/dt
[ h
r/m
] x
10
-11
T im e [ m in. ]
Particle size 1.0µm : 12L/hr, 24L/hr
Particle size 0.6µm : 12L/hr, 24L/hr
0 10 20 30 40 50 600
500
1000
1500
2000
0.6µ m, 1kgf/cm2
1.0µ m, 1kgf/cm2
Flow rate : 12 L/hr
Conc. : 1000 ppm
Particle : 0.6+1.0 µ m [1:1]
Flu
x [
L/m
2 h
r ]
T ime [ min. ]
1.0kgf/cm2
1.5kgf/cm2
2.0kgf/cm2
0 10 20 30 40 50 600.00
0.05
0.10
0.15
0.20
0.25
0.30
Flow rate : 12 L/hr
Conc. : 1000 ppm
Particle : 0.6+1.0 µ m [1:1]
dR
/dt
[hr/
m ]
x 1
0 -1
1
T ime [ min. ]
1.0kgf/cm2
1.5kgf/cm2
2.0kgf/cm2