Statistical Optimization of Bioleaching for Simultaneous Recovery of Cu, Sn, Pb, and Zn from Computer-Printed Circuit Boards

Table 1

Recovery data of metals with different microbes.

Leaching media used (microbes/species)	Heavy metals recovery (%)							References
	Cu	Sn	Zn	Pb	Cr	Al	Ni
Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans	95.6	92	90	—	—		—	[22]
Aspergillus niger	65	65	—	—	—		—	[22]
Penicillium simplicissimum	—	—	94	91	—		93	[22]
Acidithiobacillus ferrooxidans	99	—	—	—	—		—	[23]
Acidithiobacillus thiooxidans	74.9	—	—	—	—		—	[23]
Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans	99.9	—	—	—	—		—	[23]
Sulfobacillus thermosulfidooxidans	89	—	83	—	—		81	[24, 25]
Sulfobacillus thermosulfidooxidans; Thermoplasma acidophilum	86	—	80	—	—		74	[24, 25]
Mixed fungal cultures (Purpureocillium lilacinum and Aspergillus niger)	56.1 ± 0.69%	8.1 ± 0.34%	49.5 ± 0.38%	20.5 ± 0.78%		15.7 ± 0.87%		[26]
Streptomyces albidoflavus TN10	68%		82%	46%		66%	81%	[27]
Acidithiobacillus ferrooxidans; Acidiphilium acidophilum	96		94.5	74.5			75	[28]
Penicillium simplicissimum	94		100		99.8		100	[29]