Table 6 Data obtained from literature on EC to treat industrial wastewater and water containing heavy metals.
Wastewater type | Anode/cathode material | Removal efficiency | Ref. |
|---|---|---|---|
Tannery wastewater | Fe | COD: 95% | |
BOD: 96% | |||
Cr: 100% | |||
TSS: 96% | |||
Color: 98% | |||
Chemical mechanical polishing wastewater from semiconductor fabrication | Fe+BDD | COD: 85% | |
Alcohol distillery wastewater | Fe | COD: 51% | |
Color: 95% | |||
Dairy wastewater | Fe | COD: 70% | |
Turbidity: 100% | |||
TS: 48% | |||
Almond industry | Al/Fe | COD: 81% | |
TOC: 74–79% | |||
Color: 98–100% | |||
Paint manufacturing wastewater | Al | COD: 94% | |
Fe | TOC: 89% | ||
Industrial wastewater containing polyvinyl alcohol (PVA) | Al/Al | PVA: 77% | |
Al/Fe | |||
Fe/Al | |||
Fe/Fe | |||
Galvanic wastewater | Al Fe | Ni: 95% | |
Cu: 100% | |||
Cr: 95% | |||
Water containing Mn, Cu, and Zn | Fe/Fe | Cu: 100% | |
Fe/Al | Zn: 100% | ||
Al/Al | Mn: 96–99% | ||
Water rich in Cd | Al/alloy | Cd: 94–98% (AC) | |
Cd: 92–96% (DC) | |||
Water containing C76H52O46 | Fe | C76H52O46: 99% | |
Water containing Cr6+ | Al | Cr6+: 99% |
