TY - JOUR
T1 - Effect of upflow velocity on the effluent membrane fouling potential in membrane coupled upflow anaerobic sludge blanket reactors
AU - Ozgun, Hale
AU - Ersahin, Mustafa Evren
AU - Tao, Yu
AU - Spanjers, Henri
AU - van Lier, Jules B.
PY - 2013/11
Y1 - 2013/11
N2 - This study investigated the effect of upflow velocity (Vup) on biological removal efficiency and effluent filterability in a laboratory scale upflow anaerobic sludge blanket (UASB) reactor. Upflow velocities of 1.2, 0.6 and 1.2m/h were applied in three successive stages over a total operation period of 116days. Filterability tests were carried out during each stage in order to assess the effect of Vup on subsequent membrane performance. Results indicated a significant impact of Vup on both biological performance and physicochemical effluent characteristics. The observed differences in protein/carbohydrate ratio and particle size distribution (PSD), which play important roles in membrane fouling, lead to the hypothesis that Vup is a critical parameter for effluent filterability in membrane coupled UASB reactors. Results showed that filterability of the effluent during the operation at 0.6m/h was better than that during the operation at 1.2m/h.
AB - This study investigated the effect of upflow velocity (Vup) on biological removal efficiency and effluent filterability in a laboratory scale upflow anaerobic sludge blanket (UASB) reactor. Upflow velocities of 1.2, 0.6 and 1.2m/h were applied in three successive stages over a total operation period of 116days. Filterability tests were carried out during each stage in order to assess the effect of Vup on subsequent membrane performance. Results indicated a significant impact of Vup on both biological performance and physicochemical effluent characteristics. The observed differences in protein/carbohydrate ratio and particle size distribution (PSD), which play important roles in membrane fouling, lead to the hypothesis that Vup is a critical parameter for effluent filterability in membrane coupled UASB reactors. Results showed that filterability of the effluent during the operation at 0.6m/h was better than that during the operation at 1.2m/h.
KW - Anaerobic membrane bioreactor
KW - Filterability
KW - Municipal wastewater
KW - Upflow anaerobic sludge blanket reactor
KW - Upflow velocity
UR - http://www.scopus.com/inward/record.url?scp=84883441567&partnerID=8YFLogxK
U2 - 10.1016/j.biortech.2013.08.039
DO - 10.1016/j.biortech.2013.08.039
M3 - Article
C2 - 23999261
AN - SCOPUS:84883441567
SN - 0960-8524
VL - 147
SP - 285
EP - 292
JO - Bioresource Technology
JF - Bioresource Technology
ER -
