Performance of Combined A/O Moving-Bed Biofilm Reactors for Biological Nutrients Removal from Domestic Wastewater under Different Gas/Water Ratios

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Pollutants</td><td class="align_center" colspan="3">Concentrations (mg/L)</td></tr><tr class="thead"><td class="align_center">Range</td><td class="align_center">Average</td><td class="align_center">Standard deviation</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">COD</td><td class="align_center">183.8–397.2</td><td class="align_center">311.27</td><td class="align_center">69.14</td></tr><tr><td class="align_left">NH<sub>4</sub><sup>+</sup>-N</td><td class="align_center">25.3–53.9</td><td class="align_center">39.72</td><td class="align_center">9.22</td></tr><tr><td class="align_left">TN</td><td class="align_center">26.76–58.5</td><td class="align_center">45.27</td><td class="align_center">10.01</td></tr><tr><td class="align_left">TP</td><td class="align_center">2.02–6.11</td><td class="align_center">3.59</td><td class="align_center">1.07</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Characteristics of domestic wastewater during continuous operation mode.</div>

Journal of Engineering

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Table 1

Table 1: Performance of Combined A/O Moving-Bed Biofilm Reactors for Biological Nutrients Removal from Domestic Wastewater under Different Gas/Water Ratios 

Table 1 | Performance of Combined A/O Moving-Bed Biofilm Reactors for Biological Nutrients Removal from Domestic Wastewater under Different Gas/Water Ratios 