scholarly journals Polishing micropollutants in municipal wastewater, using biogenic manganese oxides in a moving bed biofilm reactor (BioMn-MBBR)

2021 ◽  
pp. 127889
Author(s):  
Guochen Wang ◽  
Adam C. Hambly ◽  
Yibo Dou ◽  
Guan Wang ◽  
Kai Tang ◽  
...  
Keyword(s):  
Manganese Oxides ◽  
Municipal Wastewater ◽  
Biofilm Reactor ◽  
Moving Bed Biofilm Reactor ◽  
Moving Bed

Comparative study on membrane fouling between membrane-coupled moving bed biofilm reactor and conventional membrane bioreactor for municipal wastewater treatment

2013 ◽  
Vol 69 (5) ◽  
pp. 1021-1027 ◽  
Author(s):  
W. Yang ◽  
W. Syed ◽  
H. Zhou
Keyword(s):  
Membrane Fouling ◽  
Membrane Filtration ◽  
Membrane Bioreactor ◽  
Municipal Wastewater ◽  
Biofilm Reactor ◽  
Municipal Wastewater Treatment ◽  
Moving Bed Biofilm Reactor ◽  
Reactor Unit ◽  
Polyaluminum Chloride ◽  
Moving Bed

This study compared the performance between membrane-coupled moving bed biofilm reactor (M-MBBR) and a conventional membrane bioreactor (MBR) in parallel. Extensive tests were conducted in three pilot-scale experimental units over 6 months. Emphasis was placed on the factors that would affect the performance of membrane filtration. The results showed that the concentrations of soluble microbial product (SMP), colloidal total organic carbon and transparent exopolymer particles in the M-MBBR systems were not significantly different from those in the control MBR system. However, the fouling rates were much higher in the M-MBBR systems as compared to the conventional MBR systems. This indicates membrane fouling potential was related not only to the concentration of SMP, but also to their sources and characteristics. The addition of polyaluminum chloride could reduce the fouling rate of the moving bed biofilm reactor unit by 56.4–84.5% at various membrane fluxes.

Membrane distillation combined with an anaerobic moving bed biofilm reactor for treating municipal wastewater

2015 ◽  
Vol 71 ◽  
pp. 97-106 ◽  
Author(s):  
Hyun-Chul Kim ◽  
Jaewon Shin ◽  
Seyeon Won ◽  
Jung-Yeol Lee ◽  
Sung Kyu Maeng ◽  
...  
Keyword(s):  
Municipal Wastewater ◽  
Membrane Distillation ◽  
Biofilm Reactor ◽  
Moving Bed Biofilm Reactor ◽  
Moving Bed

Effect of salinity variation on the autotrophic kinetics of the start-up of a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor at low hydraulic retention time

2017 ◽  
Vol 77 (3) ◽  
pp. 714-720 ◽  
Author(s):  
J. C. Leyva-Díaz ◽  
A. Rodríguez-Sánchez ◽  
J. González-López ◽  
J. M. Poyatos
Keyword(s):  
Retention Time ◽  
Membrane Bioreactor ◽  
Municipal Wastewater ◽  
Hydraulic Retention Time ◽  
Biofilm Reactor ◽  
Total Biomass ◽  
Municipal Wastewater Treatment ◽  
Moving Bed Biofilm Reactor ◽  
Moving Bed ◽  
Start Up

Abstract A membrane bioreactor (MBR) and a hybrid moving bed biofilm reactor-membrane bioreactor (hybrid MBBR-MBR) for municipal wastewater treatment were studied to determine the effect of salinity on nitrogen removal and autotrophic kinetics. The biological systems were analyzed during the start-up phase with a hydraulic retention time (HRT) of 6 h, total biomass concentration of 2,500 mg L−1 in the steady state, and electric conductivities of 1.05 mS cm−1 for MBR and hybrid MBBR-MBR working under regular salinity and conductivity variations of 1.2–6.5 mS cm−1 for MBR and hybrid MBBR-MBR operating at variable salinity. The variable salinity affected the autotrophic biomass, which caused a reduction of the nitrogen degradation rate, an increase of time to remove ammonium from municipal wastewater and longer duration of the start-up phase for the MBR and hybrid MBBR-MBR.

Nutrients removal from municipal wastewater by chemical precipitation in a moving bed biofilm reactor

2006 ◽  
Vol 41 (4) ◽  
pp. 824-828 ◽  
Author(s):  
X.J. Wang ◽  
S.Q. Xia ◽  
L. Chen ◽  
J.F. Zhao ◽  
N.J. Renault ◽  
...  
Keyword(s):  
Municipal Wastewater ◽  
Chemical Precipitation ◽  
Biofilm Reactor ◽  
Nutrients Removal ◽  
Moving Bed Biofilm Reactor ◽  
Moving Bed
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