A. The Comparison of Anode Materials
In the ECEF process, the sacrificial aluminum and copper
anode can release metal ions continuously. These metal ions
were classified as highly-capable coagulants with proper
characteristics for removing algae that contaminated water.
To determine the effect of anode material on the algae
removal efficiency, each experimental trial kept the initial
pH of 7constant and applied current density of 20 A/m2
.
It was observed that more than 99.9% algae removal
efficiency could be achieved in an electrolysis time of 60
minutes when using either of these two materials. The result
also emphasized that rapid algae removal occurred in the
first 30 minutes. Under this condition, algae removal
efficiency using aluminum and copper anode was high as
96.0% and 94.5%, respectively and shown in Fig. 2.