Operational Performance of CLR Anaerobic Reactor for Gentamicin Wastewater Treatment

doi:10.3969/j.issn.1673-1689.2016.03.007

Home > Archive>Volume 35, Issue 3, 2016 >265-271. DOI:10.3969/j.issn.1673-1689.2016.03.007

Operational Performance of CLR Anaerobic Reactor for Gentamicin Wastewater Treatment
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                        10.3969/j.issn.1673-1689.2016.03.007
                    
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The operational performance of Circular Lift Reactor （CLR） anaerobic reactor for gentamicin wastewater treatment was investigated in this study. The CLR anaerobic reactor exhibited a good efficiency in treating gentamicin wastewater. The volume loading rate （VLR） could reach to 5 kg COD/（m3·d） and the effluent with the level of chemical oxygen demand （COD） was within 2 500~3 200 mg/L. The removal efficiency for COD and SS reached as high as 70% and 62%，respectively. The solution pH was kept at 7.8~8.3 and the content of VFA was below 900 mg/L in the stable operation duration，which showed a better stability of CLR anaerobic reactor. However，there was no significant influence to the processing efficiency of CLR anaerobic reactor. The effluent concentration of Ca2+ was maintained at 200~300 mg/L with an average rejection rate of Ca2+ of 74%. In the other side，the high influent concentration of Ca2+ would lead to the calcification of granular sludge and a gradual decline of VSS/TSS，which was more serious in the bottom of the reactor than that in the upper.

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WANG Xuebin, HUANG Zhenxing, XIAO Xiaolan. Operational Performance of CLR Anaerobic Reactor for Gentamicin Wastewater Treatment[J]. Journal of Food Science and Biotechnology,2016,35(3):265-271.

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