期刊
BIORESOURCE TECHNOLOGY
卷 99, 期 13, 页码 5793-5797出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2007.10.011
关键词
textile wastewater; hybrid reactors; kinetic; modeling
The present study is related to treatment of textile wastewater in microaerophilic-aerobic hybrid reactor. The study showed the effectiveness of biological treatment of wastewater involving appropriate microorganism and suitable reactors. COD and color were reduced to 82-94%, and 99% respectively for textile wastewater. The reactor was operated at highest loading of 16.4 g COD g l(-1) d(-1) and obtained 80% COD and 72% color removal. Biokinetic models were applied to data obtained from experimental studies in continuously operated hybrid reactor. Treatment efficiencies of the reactor were investigated at different hydraulic retention times (2.3-9.1 d) and organic loading rates (2.6-16.4 g COD l(-1) d(-1)). Second-order and a Stover-Kincannon models were best fitted to the hybrid column reactor. The second-order substrate removal rate constant (k(2(S))) was found as 41.44 d(-1) for hybrid reactor. Applying the modified Stover-Kincannon model to the hybrid reactor, the maximum removal rate constant (U-max) and saturation value constant (KB) Were found to be 212 g l(-1) d(-1) and 22.89 g l(-1) d(-1), respectively. (C) 2007 Published by Elsevier Ltd.
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