A model of submerged membrane bioreactor removing organic substrate and its applications

Feng Li; Feng Lijuan; Fan Huiju; Zhang Liqiu

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A model of submerged membrane bioreactor removing organic substrate and its applications

Feng Li 1,Feng Lijuan 2,Fan Huiju 2 #,Zhang Liqiu 2 *

1.College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083

2.College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China

*Correspondence author

#Submitted by

Subject:

Funding: Beijing Forestry University Technology Innovation Program （No.YX2011-12）, Program for New Century Excellent Talents in University（No.NCET-08-0732）, Fund for Doctor Stations, Ministry of Education（No.20090014120018）

Opened online:21 March 2012

Accepted by: none

Citation: Feng Li,Feng Lijuan,Fan Huiju.A model of submerged membrane bioreactor removing organic substrate and its applications[OL]. [21 March 2012] http://en.paper.edu.cn/en_releasepaper/content/4470659

In this paper, ROM model, a kinetics model on organic substrate removal, was established on the basis of material balance in submerged membrane bioreactor (SMBR). According to the model, the organic substrate removal rate is determined by not only the organic substrate concentrations in influent and effluent, hydraulic retention time (HRT), but also the organic substrate concentration removed by membrane module and sludge retention time (SRT). Meanwhile, SRT and the maximum value of mixed liquor volatile suspended solids (MLVSS) without discharging sludge can be determined as well as the concentration of MLVSS can be predicted in reactor. Brewery wastewater was chosen and examined to verify the model and the results showed that the experimental data were coincident with the calculating data.

Keywords:Brewery wastewater; kinetics model on organic substrate removal; mixed liquor volatile suspended solids; sludge retention time; submerged membrane bioreactor

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