Abstract：
:An aluminum dioxide (Al2O3) ceramic membrane was used in a single-stage anaerobic fluidized bed ceramic membrane bioreactor (AFCMBR) for low-strength wastewater treatment. The AFCMBR was operated continuously for 395days at 25°C using a synthetic wastewater having a chemical oxygen demand (COD) averaging 260mg/L. A membrane net flux as high as 14.5-17L/m2h was achieved with only periodic maintenance cleaning, obtained by adding 25mg/L of sodium hypochlorite solution. No adverse effect of the maintenance cleaning on organic removal was observed. An average SCOD in the membrane permeate of 23mg/L was achieved with a 1h hydraulic retention time (HRT). Biosolids production averaged 0.014±0.007gVSS/gCOD removed. The estimated electrical energy required to operate the AFCMBR system was 0.039kWh/m3, which is only about 17% of the electrical energy that could be generated with the methane produced.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Aslam M,McCarty PL,Shin C,Bae J,Kim Jdoi
10.1016/j.biortech.2017.03.017subject
Has Abstractpub_date
2017-09-01 00:00:00pages
33-41eissn
0960-8524issn
1873-2976pii
S0960-8524(17)30287-0journal_volume
240pub_type
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