Advances in Bioscience and Bioengineering

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Assessing the Parameters for Optimum Biotransformation of Carbonaceous Matter by Phanerochaete chrysosporium

Received: 12 October 2017    Accepted: 01 November 2017    Published: 18 December 2017
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Abstract

Refractory carbonaceous gold ores pose challenges during cyanidation of gold due to the presence of carbonaceous matter (CM) which preg-robs dissolved gold, and this results in a decreased recovery. In an on-going study, the fungus, Phanerochaete chrysosporium has been used to deactivate CM and decrease its ability to preg-rob aurocyanide. P. chrysosporium has been reported to biotransform CM by surface oxidation, which leads to disruption of the continuous graphitic structure necessary for adsorption, and alteration of the pores suitable for aurocyanide adsorption. The present study focused on using anthracite coal as surrogate for CM, and establishing fungal-treatment parameters that bring about maximum decrease in preg-robbing by the anthracite-grade CM. The results indicate that P. chrysosporium can survive in several growth media, and possesses the ability to deactivate anthracite in a wide range of time, pulp density, temperature, pH, and level of agitation. A processing time of 5-7 days at pH 4 and 37°C gave the best conditions. The best pulp densities for stationary and shake culturing respectively were 60% and 25%.

DOI 10.11648/j.abb.20170506.13
Published in Advances in Bioscience and Bioengineering (Volume 5, Issue 6, December 2017)
Page(s) 107-114
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Fungi, Biotransformation, Incubation Parameters, Carbonaceous Matter, Aurocyanide Adsorption, Preg-Robbing

References
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Author Information
  • Department of Minerals Engineering, University of Mines and Technology, Tarkwa, Ghana; Department of Energy and Mineral Engineering, Penn State University, Pennsylvania, USA

  • Department of Energy and Mineral Engineering, Penn State University, Pennsylvania, USA; Department of Materials Science and Engineering, Penn State University, Pennsylvania, USA

  • Department of Minerals Engineering, University of Mines and Technology, Tarkwa, Ghana

  • Department of Minerals Engineering, University of Mines and Technology, Tarkwa, Ghana

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    Grace Ofori-Sarpong, Kwadwo Osseo-Asare, Richard Osei, Richard Kwasi Amankwah. (2017). Assessing the Parameters for Optimum Biotransformation of Carbonaceous Matter by Phanerochaete chrysosporium. Advances in Bioscience and Bioengineering, 5(6), 107-114. https://doi.org/10.11648/j.abb.20170506.13

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    ACS Style

    Grace Ofori-Sarpong; Kwadwo Osseo-Asare; Richard Osei; Richard Kwasi Amankwah. Assessing the Parameters for Optimum Biotransformation of Carbonaceous Matter by Phanerochaete chrysosporium. Adv. BioSci. Bioeng. 2017, 5(6), 107-114. doi: 10.11648/j.abb.20170506.13

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    AMA Style

    Grace Ofori-Sarpong, Kwadwo Osseo-Asare, Richard Osei, Richard Kwasi Amankwah. Assessing the Parameters for Optimum Biotransformation of Carbonaceous Matter by Phanerochaete chrysosporium. Adv BioSci Bioeng. 2017;5(6):107-114. doi: 10.11648/j.abb.20170506.13

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  • @article{10.11648/j.abb.20170506.13,
      author = {Grace Ofori-Sarpong and Kwadwo Osseo-Asare and Richard Osei and Richard Kwasi Amankwah},
      title = {Assessing the Parameters for Optimum Biotransformation of Carbonaceous Matter by Phanerochaete chrysosporium},
      journal = {Advances in Bioscience and Bioengineering},
      volume = {5},
      number = {6},
      pages = {107-114},
      doi = {10.11648/j.abb.20170506.13},
      url = {https://doi.org/10.11648/j.abb.20170506.13},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.abb.20170506.13},
      abstract = {Refractory carbonaceous gold ores pose challenges during cyanidation of gold due to the presence of carbonaceous matter (CM) which preg-robs dissolved gold, and this results in a decreased recovery. In an on-going study, the fungus, Phanerochaete chrysosporium has been used to deactivate CM and decrease its ability to preg-rob aurocyanide. P. chrysosporium has been reported to biotransform CM by surface oxidation, which leads to disruption of the continuous graphitic structure necessary for adsorption, and alteration of the pores suitable for aurocyanide adsorption. The present study focused on using anthracite coal as surrogate for CM, and establishing fungal-treatment parameters that bring about maximum decrease in preg-robbing by the anthracite-grade CM. The results indicate that P. chrysosporium can survive in several growth media, and possesses the ability to deactivate anthracite in a wide range of time, pulp density, temperature, pH, and level of agitation. A processing time of 5-7 days at pH 4 and 37°C gave the best conditions. The best pulp densities for stationary and shake culturing respectively were 60% and 25%.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Assessing the Parameters for Optimum Biotransformation of Carbonaceous Matter by Phanerochaete chrysosporium
    AU  - Grace Ofori-Sarpong
    AU  - Kwadwo Osseo-Asare
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    JO  - Advances in Bioscience and Bioengineering
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    PB  - Science Publishing Group
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    UR  - https://doi.org/10.11648/j.abb.20170506.13
    AB  - Refractory carbonaceous gold ores pose challenges during cyanidation of gold due to the presence of carbonaceous matter (CM) which preg-robs dissolved gold, and this results in a decreased recovery. In an on-going study, the fungus, Phanerochaete chrysosporium has been used to deactivate CM and decrease its ability to preg-rob aurocyanide. P. chrysosporium has been reported to biotransform CM by surface oxidation, which leads to disruption of the continuous graphitic structure necessary for adsorption, and alteration of the pores suitable for aurocyanide adsorption. The present study focused on using anthracite coal as surrogate for CM, and establishing fungal-treatment parameters that bring about maximum decrease in preg-robbing by the anthracite-grade CM. The results indicate that P. chrysosporium can survive in several growth media, and possesses the ability to deactivate anthracite in a wide range of time, pulp density, temperature, pH, and level of agitation. A processing time of 5-7 days at pH 4 and 37°C gave the best conditions. The best pulp densities for stationary and shake culturing respectively were 60% and 25%.
    VL  - 5
    IS  - 6
    ER  - 

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