Removal of Organic Matter from Landfill Leachate by Advanced Oxidation Processes: A Review

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Operating factor</td><td align="left">Influence</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Anode materials</td><td align="left">Anode materials with high electrocatalytic activity and high anodic oxygen evolution potential cause a high COD and NH<sub>3</sub>–N removal efficiency; usage of metal anode such as Fe and Al causes simultaneous electro-oxidation and electro-coagulation</td></tr><tr><td align="left">pH</td><td align="left">The influence of pH is unclear. Reported results are inconsistent</td></tr><tr><td align="left">Current density</td><td align="left">Increase in current density causes increase in removal efficiencies of COD and color</td></tr><tr><td align="left">Chloride ion concentration</td><td align="left">Increase in Cl<sup>-</sup> concentration improves removal of pollutants, but increase the hazard of formation of chlorinated organics</td></tr><tr><td align="left">Additional electrolytes</td><td align="left">E<i>ﬀ</i>ects of additional electrolytes depend on their species and properties</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Influence of operating factors in electro-oxidation of leachate [<a href="/journals/ijce/2010/270532/#B57">57</a>].

International Journal of Chemical Engineering

tab5

Table 5

Table 5: Removal of Organic Matter from Landfill Leachate by Advanced Oxidation Processes: A Review 