Microbial Extraction of Antimony from Stibnite of Qillah Abdullah

Authors

  • Irfan Hafeez MPRC, PCSIR Laboratories complex Ferozpur Road Lahore-54600, Pakistan
  • Muhammad Azam Institute of Biochemistry University of Balochistan Quetta, Pakistan
  • Athar Amin MPRC, PCSIR Laboratories complex Ferozpur Road Lahore-54600, Pakistan
  • Zahid Mahmood MPRC, PCSIR Laboratories complex Ferozpur Road Lahore-54600, Pakistan
  • Muhammad Aamir MPRC, PCSIR Laboratories complex Ferozpur Road Lahore-54600, Pakistan
  • Adnan Akram MPRC, PCSIR Laboratories complex Ferozpur Road Lahore-54600, Pakistan

Keywords:

Bioleaching, Antimony, Thiobacillus ferrooxidans, Harnai, Qillah Abdullah.

Abstract

The study involve bioleaching of antimony ore collected from Qillah Abdullah   Balochistan (Pakistan) by using Thiobacillus ferrooxidans isolated from coal mine drainage of district Harnai. Analysis of ore revealed that it has 19.54% antimony along with 42.24% SiO2  as gangue material. Trails for bioleaching were conducted in shake flasks having 10% (w/v) ore and growth medium. Isolated microorganisms were found more efficient for liquification of antimony contents at grain size -150#. Liquefied antimony was recovered as antimony sulphide by  precipitation  with H2S. Parameters affecting the process of bioleaching such as aeration, time period, temperature, grain size of ore and pH were also optimized. Overall recovery of product was estimated as 73% in 120 days.   

References

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Published

2017-02-15

How to Cite

Hafeez, I., Azam, M., Amin, A., Mahmood, Z., Aamir, M., & Akram, A. (2017). Microbial Extraction of Antimony from Stibnite of Qillah Abdullah. American Scientific Research Journal for Engineering, Technology, and Sciences, 28(1), 117–127. Retrieved from https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2552

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