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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