Bioreactor configuration

Membrane information

Fouling control method

Temp. (˚C)

SRT (days)

HRT (h)

Average influent strength

Average effluent (mg/L Total COD/% removal)

Completely mixed anaerobic reactor (1st pilot-scale) [53]

Polyvinylidene difluoride, hollow-fibre ultrafiltration membrane module with 0.05 μm pore size

Biogas sparging

33

70

6 - 21

445 mg Actual DWW/Ltr. Total COD

77/83

Completely mixed anaerobic reactor (2nd pilot-scale) [54]

Polyvinylidene difluoride, hollow-fibre ultrafiltration membrane module

Biogas sparging; relaxation; weekly chemical cleaning

22

80 -100

8.5

224 mg Actual DWW/Ltr. Total COD

47/79

Completely mixed anaerobic reactor (3rd pilot-scale) [55]

flat sheet polyether sulfone ultra-filtration membrane module with a mean pore size of 38 nm

Biogas sparging; relaxation; backflushing

35

680

19.2

630 Actual DWW supplemented with glucose/Ltr. Total COD

<80/90