Sample Description Mean Standard Deviation S09/P1.0/O1000 Permeate sample @ 1.0 bar(g) TMP 35.9 1.00 S11/P1.5/O1000 Permeate sample @ 1.5 bar(g) TMP 32.8 1.93 S13/P2.0/O1000 Permeate sample @ 2.0 bar(g) TMP 35.7 0.82 S15/P2.5/O1000 Permeate sample @ 2.5 bar(g) TMP 27.8 1.36 S17/P3.0/O1000 Permeate sample @ 3.0 bar(g) TMP 95.3 3.38 S19/P3.5/O1000 Permeate sample @ 3.5 bar(g) TMP 146.1 2.18 Average 62.2 1.78

Table 2: Mean and standard deviation for the measurement of oil concentration (in ppm) for permeate water samples collected from the microfiltration experiment using a ceramic membrane of 0.5 μm pore size and oil-water feed of 1000 ppm.