ars.els-cdn.com · web viewcad of 3d flat support: (a) top view, (b) enlarged cross section, the...

Supplementary information

Fig. S 1. CAD of 3D flat support: (a) top view, (b) enlarged cross section, the pore diameter = 0.2 mm, the

distance between pores = 0.2 mm and (c) side view, all dimensions are in mm.

Fig. S2. Schematic of the cross-flow filtration rig.

1

(b)

(c)

(a)

10

7

6

5

8

4

9

3

12

11132

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1. Magnetic stirrer 2. Feed tank3. Gear pump4. Pressure gauge5. Feed input6. Membrane

module7. Retentate 8. Valve 9. Rotameter 10. Permeate 11. Volumetric flask12. Balance 13. Computer

Fig. S3. Calibration curve of oil in water emulsions measured using Turbidity meter (EUTECH TN-100, Thermo-Scientific).

Fig. S4. Flow streamlines, Re = 1000, (a) flat, (b) peak height = 0.125 µm, (c) peak height = 0.25 µm, (d) peak height = 0.5 µm. Eddies region was expanded with the increase of the peak height at constant velocity.

2

a b

c d

Fig. S5. Oil in water emulsion (a) the permeate, (b) the feed before ultrafiltration process

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Table S1. Differences between literature review and this study Modification process Casting conditions Compaction Operating

conditionsOil in water

emulsionMembrane performance Ref.

rel. humidity

(%)

temp.

(ͦ C)

pressure

(bar)

time (min)

pressure (bar)

flowrate

(L/min)

oil con. (mg/L)

Type of oil

permeance

(LMH bar-1) FRR (%)

Oil rejection

(%)

pure water o/w emulsion

NMP Mixing with Hydrous manganese dioxide

(nanoparticles)

--- --- 1 30 1 --- 1000 Crude 573.2 ⁓ 100 75.4/ washing with pure

water

100 [44]

NMP Mixing with Cellulose acetate / polyethylene glycol

--- --- 4 --- 4 0.2 500 Kerosene 20.25 6.75 ----- 88 [45]

DMF Mixing with PEGMA and TFOA

--- --- 1.5 30 1 Dead end cell

900 Vacuum --- --- 99.8 / washing with pure

water

99.5 [38]

DMAc Mixing with SiO2-g-(PDMAEMA-co-PDMAPS)

nanoparticles

--- --- 1.6 60 1 Dead end cell

900 Engine 172.30 79.83 84.26/ washing with pure

water

100 [46]

DMAc zwitterionic polymers from a reactive amphiphilic copolymer additive

--- --- 2.5 30 2 Dead end cell

1500 --- 74.5 --- 99/ washing with pure

water

⁓ 100 [47]

DMAc Surface modification / corona air plasma

--- --- --- --- 1.5 --- 3000 Gas 108.46 37.86 --- 98.2 [34]

DMF Surface modification / corona plasma – assisted coating

TiO2 nanoparticles

--- --- --- --- 1.5 --- 3000 Gas 12.97 10.96 --- 99 [48]

Blending and surface coating by NaX zeolite and TiO2

nanoparticles

--- --- --- --- 1.5 3000 Gas --- 6.3 82.6/ washing with pure

water

99.1 [49]

DMF Mixing with Pluronic F127 --- --- 1.5 30 1 Dead end cell

900 Soybean --- 82.98 93.33 / after chemical washing

100 [11]

DMAc Wavy surface 30 19 – 21 1.5 90 - 120

1 1.4 2490 Sunflower 16 ± 0.46 3 ± 0.8 89 ± 2.7/ washing with

pure water

96 ± 3 this study

where: NMP: N-Methyl-2-pyrrolidone and DMF: Dimethylformamide

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