Table 2 Economic analysis and its comparison with other methods.
Treatment methods | Wastewater types | Economic analysis | Reference |
|---|---|---|---|
O3-based AOP | Mature landfill leachate | US$ 4.62 m−3 | |
Microalgae C. vulgaris | stabilized landfill leachate | ∼$0.02 per m3 leachate | |
Coagulation-flocculation | Landfill leachate membrane concentrates | NFCL-1 = 0.55 $/removed kg COD, NFCL-2 = 0.46 $/removed kg COD | |
Hybrid lime application and nanofiltration process | Landfill leachate | 25 years = US$ 10.54 m−3 40 years = US$ 11.33 m−3. | |
Electrochemical technology | Landfill leachate nanofiltration concentrate | 1.307 USD m−3 | |
Electro-Fenton | Actual landfill leachate | US$ 5.06 m−3 | |
Electro-Fenton | Landfill leachate diluted | US$ 0.853–1.418 m−3 | |
With an evaporation pond | Landfill leachate | US$ 1.72–2.71 m−3 | |
Without an evaporation pond | Landfill leachate | US$ 1.06 to 2.09 m−3 | |
Pilot-scale mechanical vapor recompression | Landfill leachate | US$ 3.8 m−3 | |
AL/US/EC | Landfill leachate | 5 years US$ 5.5 m−3 | This study |
