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Table 3

Comparison between different sulfate-based treatment systems from energy consumption aspect

ProcessPollutantConcentration (mg/L)Removal efficiencyEnergy consumption (kWh/kg)References
Electro-activated persulfate by graphene oxide Acid blue 25 300 54% TOC 20 Current study 
Electro/Fe2+/persulfate Bisphenol A 0.14 mM 61.8% TOC 253.9 Dos Santos et al. (2021)  
Electro-activated persulfate by BDD anode Malachite green 200 55% TOC 450 kWh/m3 Miao et al. (2020)  
Electro-activated persulfate by Iron electrodes Ciprofloxacin 10 94% 0.0045 Wh/mg Malakootian & Ahmadian (2019)  
Sequential Persulfate/Fenton oxidation Leachate 5,600 mg/L TOC 53% TOC 154 Silveira et al. (2018)  
ProcessPollutantConcentration (mg/L)Removal efficiencyEnergy consumption (kWh/kg)References
Electro-activated persulfate by graphene oxide Acid blue 25 300 54% TOC 20 Current study 
Electro/Fe2+/persulfate Bisphenol A 0.14 mM 61.8% TOC 253.9 Dos Santos et al. (2021)  
Electro-activated persulfate by BDD anode Malachite green 200 55% TOC 450 kWh/m3 Miao et al. (2020)  
Electro-activated persulfate by Iron electrodes Ciprofloxacin 10 94% 0.0045 Wh/mg Malakootian & Ahmadian (2019)  
Sequential Persulfate/Fenton oxidation Leachate 5,600 mg/L TOC 53% TOC 154 Silveira et al. (2018)  
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