On the other hand, the experimental data indicated that the substrate utilization kinetic followed Monod's kinetics model approximately. However, increasing the OLRs exerted a slightly negative effect on the removal of total phosphorous. ![]() Also, residual total nitrogen (TN) concentration decreased by decreasing the OLR. While further decreasing of the OLR to 1.1 kg COD/m³ day, there is no significant adverse effect on organics removal. Results of continuous long-term operation showed that by decreasing OLR from 2 to 1.7 kg COD/m³ day, the removal efficiency was increased from 95.5 to 99.3% for COD, from 95.3 to 98.1% for BOD and from 87 to 97.7% for TSS. ![]() The SBR was operated at three different organic loading rates (OLRs): 2, 1.7 and 1.1 kg COD/m³ d. Attempts were made in this study to examine the effectiveness of sequencing batch reactor (SBR) for the treatment of beverage industrial wastewater.
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