Influence of cleaning frequency and membrane history on fouling in an anaerobic membrane bioreactor

New insights into membrane fouling in a submerged anaerobic membrane bioreactor based on characterization of cake sludge and bulk sludge

“…The cleaning effect on membrane performance appeared minor as membrane flux can be almost restored after cleanings. This result agrees with the observation of Zhang et al (2007).…”

Performance of a Submerged Anaerobic Membrane Bioreactor (SAnMBR) for Food Wastewater Treatment: Treatment Efficiency and Membrane Fouling

“…Consistent flux with the set flux (Table 2) throughout the first two phases and the first 15 days of the third phase indicated that there was none or insignificant membrane fouling, attesting the success of membrane surface scouring with biogas and periodic membrane maintenance cleaning. The flux during Phase II and III are comparable to other AnMBR studies where the observed fluxes were in the range of 2 to 10 LMH (Fuchs, et al, 2003;Saddoud & Sayadi, 2007;Zhang, et al, 2007). However, with the progress of Phase III (at 1d HRT) the membrane became more fouled and rapid declines in flux were experienced, which prompted to increase the membrane maintenance cleaning frequency to twice a week.…”

Anaerobic membrane bioreactor for the treatment of leachates from Jebel Chakir discharge in Tunisia

“…MBR was an option for sustainable treatment of LFL. It provides generally greater COD removal than conventional systems for less biodegradable feeds [8] Since LFL is an effluent with highly variable physical, chemical and biological properties, it is often difficult to design a suitable treatment system. Thus, the purpose of this study was to characterize samples at different acidification stage from Jebel Chakir discharge and to investigate the long-term performance of a pilot-scale cross-flow ultrafiltration anaerobic membrane bioreactor (AnMBR).…”