TY - JOUR
T1 - Submerged anaerobic membrane bioreactor (SAnMBR) performance on sewage treatment
T2 - Removal efficiencies, biogas production and membrane fouling
AU - Chen, Rong
AU - Nie, Yulun
AU - Ji, Jiayuan
AU - Utashiro, Tetsuya
AU - Li, Qian
AU - Komori, Daisuke
AU - Li, Yu You
N1 - Funding Information:
This work was supported by the KAKENHI Grant-in-Aid for Scientific Research (No. 26289179), the JSPS Postdoctoral Fellow Program (No. 15F15353) and the Shaanxi Program for Innovative Research Team (No. 2013KCT-13).
PY - 2017/9
Y1 - 2017/9
N2 - The performance of sewage treatment at 25�C in removal efficiency, biogas production, and membrane fouling was studied using a submerged anaerobic membrane reactor (SAnMBR). Average 89% methanogenic degradation efficiency aswell as 90%, 94% and 96% removal of total chemical oxygen demand, biochemical oxygen demand, and nonionic surfactant were obtained. Results suggested that SAnMBR can effectively decouple organic degradation and nutrients disposal, and reserve all the N2 and P in the effluent for further possible recovery. Small biomass yields of 0.11 g mixed liquor volatile suspended solids/gCOD were achieved, coupled to excellent CH4 production efficiencies of 0.338 NLCH4/gCOD,making SAnMBR an attractive technology characterized by low excess sludge production and high bioenergy recovery. Also, results revelaed the SAnMBR appeared to have the potential to bear a high food-to-microorganism ratio without any inhibition effect. Pore blocking dominated the membrane fouling behaviour at a relative long hydraulic retention time.
AB - The performance of sewage treatment at 25�C in removal efficiency, biogas production, and membrane fouling was studied using a submerged anaerobic membrane reactor (SAnMBR). Average 89% methanogenic degradation efficiency aswell as 90%, 94% and 96% removal of total chemical oxygen demand, biochemical oxygen demand, and nonionic surfactant were obtained. Results suggested that SAnMBR can effectively decouple organic degradation and nutrients disposal, and reserve all the N2 and P in the effluent for further possible recovery. Small biomass yields of 0.11 g mixed liquor volatile suspended solids/gCOD were achieved, coupled to excellent CH4 production efficiencies of 0.338 NLCH4/gCOD,making SAnMBR an attractive technology characterized by low excess sludge production and high bioenergy recovery. Also, results revelaed the SAnMBR appeared to have the potential to bear a high food-to-microorganism ratio without any inhibition effect. Pore blocking dominated the membrane fouling behaviour at a relative long hydraulic retention time.
KW - Biomass yield
KW - Food to microorganism
KW - Fouling behaviour
KW - Methanogenic degradation
KW - SAnMBR
KW - Sewage
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U2 - 10.2166/wst.2017.240
DO - 10.2166/wst.2017.240
M3 - Article
C2 - 28953457
AN - SCOPUS:85030536008
VL - 76
SP - 1308
EP - 1317
JO - Water Science and Technology
JF - Water Science and Technology
SN - 0273-1223
IS - 6
ER -