Study on the Novel Non-Aeration Membrane Bioreactor

Zhi Qiang Wang; Bing Jie Feng; Xiao Min Liu; Li Tian

doi:10.4028/www.scientific.net/AMR.955-959.2226

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Study on the Novel Non-Aeration Membrane...

Study on the Novel Non-Aeration Membrane Bioreactor

Abstract:

A novel non-aeration membrane bioreactor (N-MBR) is exploited based on the combination of bio-film process and membrane filtration process, of which the ceramic membrane module is made by the material of Al₂O₃. The relationship of the membrane diameter, the membrane flux, trans-membrane pressure (TMP) and the side stream velocity is investigated, as well as the treatment effect for domestic wastewater. The result shows that the N-MBR set-up with the membrane pore size of 1.5μm was adopted to treat the domestic wastewater under the condition of TMP 0.008MPa, side stream velocity 8m/min for continuous working 30 days. The effluent COD average concentration is less than 21mg/L and NH₃-N concentration is less than 1mg/L all the time. The removal efficiency of COD and NH₃-N is 85 percent and 98 percent respectively. The average energy consumption is 2.90± 0.55 kWh/m³ (permeate), which is reduced 50 percent than that of conventional membrane bioreactor.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

2226-2229

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.2226

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Online since:

June 2014

Authors:

Zhi Qiang Wang*, Bing Jie Feng, Xiao Min Liu, Li Tian

Keywords:

Ceramic Membrane Tube, Membrane Flux, Non-Aeration Membrane Bioreactor (N-MBR)

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