Progress, Challenges, and Perspectives of Bioleaching for Recovering Heavy Metals from Mine Tailings

Table 1

Physical and chemical properties of microorganisms.

Strain	Shape	Optimum pH	Optimum temp (°C)
Acidithiobacillus ferrooxidans	Rod-shaped	2-3	30-35
Acidithiobacillus thiooxidans	Rod-shaped	1.5-2.0	28-30
Leptospirillum ferrooxidans	Vibrioid-shaped	1.5-2.0	25-35