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Kinetic Model for Anaerobic Digestion of Distillery Spent Wash

Received: 21 July 2016     Accepted: 2 August 2016     Published: 15 November 2016
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Abstract

Kinetic studies were carried out for anaerobic digestion of distillery spent wash considering growth kinetic models due to Monod and Contois. The kinetic parameters were predicted with the help of previously published experimental data for anaerobically treated distillery spent wash. The digester was operated at seven different values of loading rates ranging between 0.954 to 2.459 gCOD/L/day. Maximum specific growth rate and maximum specific substrate utilization rate for Monod model have been predicted as of the order of 0.153 g/g/day and 3.06 g/g/day , respectively, and those for Contois kinetic model were found to be 0.140 g/g/day and 0.421 g/g/day , respectively. However, for both the models the decay rate coefficient, was calculated as 0.0131 g/g/day. The estimated value of empirical constant in Contois model was found to be order of 0.699 (dimensionless). The deviation of model predicted values from experimental results has been compared. Sensitivity analysis of the developed models was carried out by considering 10% increase in the values of both and .

Published in American Journal of Chemical Engineering (Volume 4, Issue 6)
DOI 10.11648/j.ajche.20160406.11
Page(s) 139-146
Creative Commons

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), 2016. Published by Science Publishing Group

Keywords

Kinetic Modelling, Anaerobic Digester, Distillery Spent Wash, Monod Kinetics, Contois Kinetics and Sensitivity Analysis

References
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  • APA Style

    Pooja Sharma, Uttam Kumar Ghosh, Amiya Kumar Ray. (2016). Kinetic Model for Anaerobic Digestion of Distillery Spent Wash. American Journal of Chemical Engineering, 4(6), 139-146. https://doi.org/10.11648/j.ajche.20160406.11

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    ACS Style

    Pooja Sharma; Uttam Kumar Ghosh; Amiya Kumar Ray. Kinetic Model for Anaerobic Digestion of Distillery Spent Wash. Am. J. Chem. Eng. 2016, 4(6), 139-146. doi: 10.11648/j.ajche.20160406.11

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    AMA Style

    Pooja Sharma, Uttam Kumar Ghosh, Amiya Kumar Ray. Kinetic Model for Anaerobic Digestion of Distillery Spent Wash. Am J Chem Eng. 2016;4(6):139-146. doi: 10.11648/j.ajche.20160406.11

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  • @article{10.11648/j.ajche.20160406.11,
      author = {Pooja Sharma and Uttam Kumar Ghosh and Amiya Kumar Ray},
      title = {Kinetic Model for Anaerobic Digestion of Distillery Spent Wash},
      journal = {American Journal of Chemical Engineering},
      volume = {4},
      number = {6},
      pages = {139-146},
      doi = {10.11648/j.ajche.20160406.11},
      url = {https://doi.org/10.11648/j.ajche.20160406.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20160406.11},
      abstract = {Kinetic studies were carried out for anaerobic digestion of distillery spent wash considering growth kinetic models due to Monod and Contois. The kinetic parameters were predicted with the help of previously published experimental data for anaerobically treated distillery spent wash. The digester was operated at seven different values of loading rates ranging between 0.954 to 2.459 gCOD/L/day. Maximum specific growth rate and maximum specific substrate utilization rate for Monod model have been predicted as of the order of 0.153 g/g/day  and 3.06 g/g/day , respectively, and those for Contois kinetic model were found to be 0.140 g/g/day  and 0.421 g/g/day , respectively. However, for both the models the decay rate coefficient,  was calculated as 0.0131 g/g/day. The estimated value of empirical constant  in Contois model was found to be order of 0.699 (dimensionless). The deviation of model predicted values from experimental results has been compared. Sensitivity analysis of the developed models was carried out by considering 10% increase in the values of both  and .},
     year = {2016}
    }
    

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    T1  - Kinetic Model for Anaerobic Digestion of Distillery Spent Wash
    AU  - Pooja Sharma
    AU  - Uttam Kumar Ghosh
    AU  - Amiya Kumar Ray
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    PY  - 2016
    N1  - https://doi.org/10.11648/j.ajche.20160406.11
    DO  - 10.11648/j.ajche.20160406.11
    T2  - American Journal of Chemical Engineering
    JF  - American Journal of Chemical Engineering
    JO  - American Journal of Chemical Engineering
    SP  - 139
    EP  - 146
    PB  - Science Publishing Group
    SN  - 2330-8613
    UR  - https://doi.org/10.11648/j.ajche.20160406.11
    AB  - Kinetic studies were carried out for anaerobic digestion of distillery spent wash considering growth kinetic models due to Monod and Contois. The kinetic parameters were predicted with the help of previously published experimental data for anaerobically treated distillery spent wash. The digester was operated at seven different values of loading rates ranging between 0.954 to 2.459 gCOD/L/day. Maximum specific growth rate and maximum specific substrate utilization rate for Monod model have been predicted as of the order of 0.153 g/g/day  and 3.06 g/g/day , respectively, and those for Contois kinetic model were found to be 0.140 g/g/day  and 0.421 g/g/day , respectively. However, for both the models the decay rate coefficient,  was calculated as 0.0131 g/g/day. The estimated value of empirical constant  in Contois model was found to be order of 0.699 (dimensionless). The deviation of model predicted values from experimental results has been compared. Sensitivity analysis of the developed models was carried out by considering 10% increase in the values of both  and .
    VL  - 4
    IS  - 6
    ER  - 

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Author Information
  • Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Roorkee, India

  • Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Roorkee, India

  • Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Roorkee, India

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