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TY  - JOUR
AU  - Baba, A A
AU  - Ezekafor, E E
AU  - Adekola, F A
AU  - Ahmed, R N
AU  - Panda, S
PY  - 2012/03/30
Y2  - 2025/09/23
TI  - Bio-oxidation of a low grade chalcopyrite ore by mixed culture of acidophilic bacteria
JF  - Journal of Ecobiotechnology
JA  - JEBT
VL  - 3
IS  - 12
SE  - REGULAR ISSUE ARTICLES
DO  - 
UR  - https://www.updatepublishing.com/journal/index.php/jebt/article/view/154
SP  - 
AB  - &lt;p class=&quot;MsoNormal&quot; style=&quot;text-align: justify;&quot;&gt;A study on the extent of biooxidation of a low grade Chalcopyrite ore using a mixed acidophilic bacterial consortium predominantly of the Acidithiobacillus ferrooxidans strain has been carried out.Â  The influence of additive and pH on the bio-oxidation of the ore has been examined. The results of the investigations showed that bio-oxidation was enhanced by the addition of nutrient broth at lower pH. The enhancement in biooxidation of a chalcopyrite ore was 54% and 19% with and without addition of broth in 10 days incubation time, respectively. The study showed that at a lower pH (â‰¤ 4.0), the biooxidation of the ore was higher in presence of broth. Consequently, in presence of nutrient broth, the concentration of Fe and Cu leached were 1200 mg/L and 350 mg/L; and without nutrient broth yielded 580 mg/L and 220 mg/L, respectively within 10 days of incubation and decreases afterwards.&lt;/p&gt;
ER  -