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Table 1 Bioleaching of metals from PCBs

From: Bioleaching of copper from waste printed circuit boards by bacteria-free cultural supernatant of iron–sulfur-oxidizing bacteria

References

Microorganisms

Recovery and conditions

Characterization of microorganisms

Arshadi and Mousavi (2015)

Acidithiobacillus ferrooxidans

100% Cu and Ni in 20 days at 8.5 g/L pulp density

Mesophiles bacteria

Isildar et al. (2016)

Acidithiobacillus ferrivorans and Acidithiobacillus thiooxidans

98.4% Cu in 7 days at 10 g/L pulp density

Mesophiles bacteria

Ilyas et al. (2013)

Sulfobacillus thermosulfidooxidans and Thermoplasma acidophilum

74% Zn, 68% Al, 85% Cu, 78% Ni in 165 days at 100 g/L pulp density

Moderately thermophilic bacteria

Rodrigues et al. (2015)

Sulfobacillus thermosulfidooxidans

85% Cu in 8 days at 25 g/L pulp density

Moderately thermophilic bacteria

Zhu et al. (2011)

Mixed culture of acidophilic bacteria

96.8% Cu in 45 h, 88.2% Al and 91.6% Zn in 98 h at 12 g/L pulp density

Mesophiles bacteria

Vestola et al. (2010)

Acidithiobacillus sp. and Leptospirillum sp.

100% Cu and Ni in 42 days at 10 g/L pulp density

Mesophiles bacteria

Current work

Microbial consortium

93.4% Cu in 9 days at 100 g/L pulp density

Moderately thermophilic bacteria