The COD Removal of Lime and Subsequent Acid Pretreated Partially Stabilised Leachate via Granular-Activated Carbon

Figure 5

COD removal based on GAC with contact time (GAC dosage = 20 g/L, lime dosage = 10 g/L, contact time = 8 h, initial COD = 1658 mg/L, and temperature 25°C).