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:: Volume 2, Issue 3 (Summer 2013 2013) ::
Arch Hyg Sci 2013, 2(3): 98-103 Back to browse issues page
Study of Kinetic coefficients of a Membrane Bioreactor (MBR) for municipal wastewater treatment
Ali Naghizadeh *, Elham Derakhshani , Ahmad Reza Yari
Birjand University of Medical Sciences
Abstract:   (485 Views)

Background & Aims of the Study: In order to design membrane bioreactors (MBR) properly, it is essential to comprehend the behavior of microorganisms in such wastewater treatment processes.

Materials & Methods: In this study, a lab-scale MBR process was operated to determine the biokinetic coefficients of the MBR system under different MLSS concentrations of 6800, 7000, 7400, and 7800 mg/l and organic loading rates of 0.5 kg COD/m3/day.

Results: The results of this study showed that the yield of microorganisms (Y), the endogenous decay coefficient (kd), the maximum specific growth rate (μmax) and the saturation constant (Ks) were in the range of 0.67 g VSS/g COD, 0.56 d−1, 1.86 d−1 and 6.65 mg COD/l, respectively.

Conclusions: The kinetic coefficients in this study can be used to improve the operation and design the MBR system in full scale.

Keywords: Biokinetic coefficient, Membrane bioreactor, municipal wastewater
Full-Text [PDF 537 kb]   (479 Downloads)    
Type of Study: Research | Subject: General
Received: 2016/05/14 | Accepted: 2016/05/14 | Published: 2016/05/14
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Naghizadeh A, Derakhshani E, Yari A R. Study of Kinetic coefficients of a Membrane Bioreactor (MBR) for municipal wastewater treatment. Arch Hyg Sci. 2013; 2 (3) :98-103
URL: http://jhygiene.muq.ac.ir/article-1-127-en.html
Volume 2, Issue 3 (Summer 2013 2013) Back to browse issues page
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