Table 7 Cost comparison of SA/CMC-ZFN versus commercial zeolites.
Adsorbent | Commercial zeolite | SA/CMC-ZFN |
|---|---|---|
1 kg price | 5000 KRW | 29,269 KRW |
Heavy metal adsorption performance | 0.46 mg/g | 10.47 mg/g |
Amount of adsorbent required to treat 1 ton of polluted wastewater (Plating wastewater with a sum of heavy metal concentrations of 10 mg/L) | Approximately 21.7 kg | Approximately 0.96 kg |
adsorbent price | 108,700 KRW | 28,098 KRW |
Reductant (sodium metabisulfite) price (100 mg/L input) | 3080 KRW | – |
1 ton processing unit price | 111,780 KRW | 28,098 KRW |