Research Article
The COD Removal of Lime and Subsequent Acid Pretreated Partially Stabilised Leachate via Granular-Activated Carbon
Table 8
Cost approximation of the treatment.
| | | Lime | Sulfuric acid | Granular-activated carbon |
| | Unit cost | $200/907 kg | $100/543.7 L | $1200/907 kg | | Chemical/material consumption | 0.01 kg | 0.120 L | 0.03 kg | | Chemical cost per litre of COD treated leachate | $0.0022/L | $0.022/L | $0.0397/L | | Total chemical cost to treat below COD discharge limit (<400) | $0.0639/L |
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