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Thesis - faculty.ait.ac.th - Asian Institute of Technology

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Table H-2 Membrane Resistance <strong>of</strong> <strong>th</strong>e Membrane Used for MWCO Studies<br />

Pressure<br />

(kPa)<br />

Flowrate<br />

(L/h)<br />

MW 50k MW 10k MW 5k<br />

Permeate<br />

Flux<br />

(L/m 2 .h)<br />

Flowrate<br />

(L/h)<br />

181<br />

Permeate<br />

Flux<br />

(L/m 2 .h)<br />

Flowrate<br />

(L/h)<br />

Permeate<br />

Flux<br />

(L/m 2 .h)<br />

101 0.53 117.78 0.31 68.02 - -<br />

202 0.79 174.68 0.65 143.18 0.18 40.76<br />

303 1.13 249.78 0.99 217.29 0.26 57.70<br />

404 1.32 290.47 1.31 288.22 0.36 79.93<br />

505 1.52 335.47 1.42 313.90 0.45 99.25<br />

Membrane<br />

Resistance<br />

Pressure (kPa)<br />

600<br />

500<br />

400<br />

300<br />

200<br />

100<br />

0<br />

8.16 x 10 12 m -1 6.99 x 10 12 m -1 1.86 x 10 13 m -1<br />

Pressure (kPa)<br />

600<br />

400<br />

200<br />

0<br />

MW 5k<br />

0 50 100 150<br />

Permeate Flux (L/m 2 .h)<br />

Figure H-1 Determination <strong>of</strong> Initial Membrane Resistance <strong>of</strong> Flat Sheet Membrane<br />

(A = 45.34 cm 2 )<br />

Pressure (kPa)<br />

600<br />

400<br />

200<br />

0 100 200 300 400<br />

Permeate Flux (L/m 2 .h)<br />

0<br />

MW 50k<br />

MW 10k<br />

0 200 400<br />

Permeate Flux (L/m 2 .h)

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