Fig. 4

Influence of US power on % COD reduction and CP from LLW by combined AL/US/EC technique (J = 1 A dm−2, COD = 3200 mg L−1, ConElec = 4 g L−1, pH = 7, AFR = 25 L h−1, TT = 3 h, and IES = 1 cm).
Influence of US power on % COD reduction and CP from LLW by combined AL/US/EC technique (J = 1 A dm−2, COD = 3200 mg L−1, ConElec = 4 g L−1, pH = 7, AFR = 25 L h−1, TT = 3 h, and IES = 1 cm).