Table 4 Comparison of leaching efficiency, conditions and capacity in bioleaching of copper from PCBs
References | Leaching efficiency (%) | Conditions | Capacity (gCu/L h) |
|---|---|---|---|
Zhu et al. (2011) | 96.8 | 12 g/L PCBs concentrates with 83.8% copper in 45 h | 0.2235 |
Yang et al. (2009) | 98.59 | 15 g/L PCBs with 25.06% copper in 24 h | 0.1566 |
Nie et al. (2015) | 96 | 12 g/L PCBs concentrates with 63.37% copper in 7 days | 0.0452 |
Xiang et al. (2010) | 95 | 20 g/L PCBs with 23.10% copper in 5 days | 0.0385 |
Rodrigues et al. (2015) | 85 | 25 g/L PCBs with 28.50% copper in 8 days | 0.0371 |
Wang et al. (2009) | 99.9 | 7.8 g/L PCBs with 37.10% copper in 9 days | 0.0111 |
Current work | 93.4 | 100 g/L PCBs concentrates with 65.0% copper in 9 days | 0.3006 |