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Journal of Applied Sciences
Year: 2005  |  Volume: 5  |  Issue: 1  |  Page No.: 169 - 171

Feasibility of Development and Application of an Up-flow Anaerobic/Aerobic Fixed Bed Combined Reactor to Treat High Strength Wastewaters

G.R. Moosavi, A.R. Mesdaghinia, K. Naddafi, A.H. Mahvi and J. Nouri    

Abstract: Research was carried out in order to investigate the effect of the organic loading rate on the performance of an up-flow anaerobic/aerobic fixed-bed (UA/AFB) combined reactor. One bench scale UA/AFB combined reactor was constructed to investigate the treatment of high strength wastewater. Reactor was based on the combination of anaerobic and aerobic parts only in a single reactor. It was operated under four different runs in which organic loads were 0.8, 2.3, 4.7 and 7.6 kg COD/m3 d, respectively. It was found that the total HRT 9 h (5 h as anaerobic and 4 h as aerobic) is long enough to obtain efficient removal of COD more than 95% at all of runs. Also, investigated reactor showed high ability to control organic loads. Based on the observed results, the use of UA/AFB reactor in practice seems to be a potential biotechnology for treatment of industrial wastewater contain high organic load.

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