1. Electric flocculation treatment of heavy metal wastewater  　　

The electrocoagulation method using aluminum tubes as electrodes was used to remove heavy metal ions in electroplating wastewater. The results showed that the initial mass concentration of copper ions was 41.05mg/L and the mass concentration of nickel ions was 8.70mg/L . Under the best conditions, Cu2+ and The removal rate of Ni2+ can reach 98.98% , 95.29% , and the power consumption is 6kW·h/m3 .  　　

Akbal et al. found that when Fe-Al is used as the electrode, under the best conditions, the removal efficiency of Cu2+ , Cr6+ and Ni2+ in the wastewater can reach 100% , the power consumption is 10.07kW·h/m3 , and the electrode material consumption is 1.08 kg/m3 .  　　

2. Electroflocculation treatment of phosphorus-containing wastewater  　　

Cheng Xiaojie et al. used electro-flocculation to remove phosphorus. The results showed that the phosphorus mass concentration in the raw water was 8mg/L , the pulse current density was 16.07A/m2 , the duty cycle was 89.02% , and the electrode spacing was 1.98cm . Under these conditions, the phosphorus removal rate reached 78.67. % , the power consumption is 0.023kWh/m3 .  　　

3. Electric flocculation treatment of dye wastewater  　　

Liu Huijuan et al. used aluminum plates to treat acid red- 14 dye wastewater, and the removal rates of COD and chromaticity could reach 85% and 95% under optimal conditions, respectively .  　　

4. Electric flocculation treatment of oily wastewater  　　

M.Aoudjehane et al. used iron plates as anodized oil emulsions. Under the best conditions, the removal rates of COD and SS reached 72% and 98% , respectively , and the power consumption was 0.54kW·h/m3 .  　　

Zhang Guohui other paint wastewater using electrocoagulation process, the results show that latex waste water quality indicators COD was 6280mg / L , the SS concentration 21000mg / L , under optimal conditions, COD removal rate was 06% , removal rate of suspended solids 99.77% .

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