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An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate

Received: 15 December 2018     Accepted: 9 January 2019     Published: 28 January 2019
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Abstract

Characterization of the pristine barite mineral was established using a scanning electron microscope (SEM) and Fourier Transform Infra-Red (FTIR). Barite was applied for sodium oleate and sodium palmitate adsorption in aqueous solutions. Equilibrium adsorption data were fitted into two adsorption isotherms, three kinetic models and thermodynamic study. The concentration of the ion and pH in the solution proved to be a controlling factor in the adsorption process. Sodium oleate and sodium palmitate soaps adsorbed strongly onto the barite mineral at pH 9 and a temperature of 293k. They result was affected by the high bulk density and chemical resistance nature of barite indicated by successive increase in dosage amount. The effect of concentration and time typically gave a C-type adsorption isotherm. Adsorptive isotherm showed that sodium palmitate adsorption over natural barite was better described by the Langmuir adsorption isotherm while oleate desorption gave a good fitting with Freundlich isotherm. The adsorptive kinetics of sodium palmitate fitted well into pseudo 1 st order and 2nd order kinetics. Intra particle diffusion was not the rate-determining step. Thermodynamic study showed a physio-sorption that was exothermic. Hence the findings showed that pristine barite absorbs at optimum pH and temperature of 9 and 293K.

Published in American Journal of Physical Chemistry (Volume 7, Issue 4)
DOI 10.11648/j.ajpc.20180704.12
Page(s) 63-72
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), 2019. Published by Science Publishing Group

Keywords

Barite, Adsorption, Sodium Palmitate, Sodium Oleate

References
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Cite This Article
  • APA Style

    Nwoko Christopher Ikpe Amadi, Nkwoada Amarachi Udoka, Okoji Josephine, Opah Solomon. (2019). An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate. American Journal of Physical Chemistry, 7(4), 63-72. https://doi.org/10.11648/j.ajpc.20180704.12

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    ACS Style

    Nwoko Christopher Ikpe Amadi; Nkwoada Amarachi Udoka; Okoji Josephine; Opah Solomon. An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate. Am. J. Phys. Chem. 2019, 7(4), 63-72. doi: 10.11648/j.ajpc.20180704.12

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    AMA Style

    Nwoko Christopher Ikpe Amadi, Nkwoada Amarachi Udoka, Okoji Josephine, Opah Solomon. An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate. Am J Phys Chem. 2019;7(4):63-72. doi: 10.11648/j.ajpc.20180704.12

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  • @article{10.11648/j.ajpc.20180704.12,
      author = {Nwoko Christopher Ikpe Amadi and Nkwoada Amarachi Udoka and Okoji Josephine and Opah Solomon},
      title = {An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate},
      journal = {American Journal of Physical Chemistry},
      volume = {7},
      number = {4},
      pages = {63-72},
      doi = {10.11648/j.ajpc.20180704.12},
      url = {https://doi.org/10.11648/j.ajpc.20180704.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20180704.12},
      abstract = {Characterization of the pristine barite mineral was established using a scanning electron microscope (SEM) and Fourier Transform Infra-Red (FTIR). Barite was applied for sodium oleate and sodium palmitate adsorption in aqueous solutions. Equilibrium adsorption data were fitted into two adsorption isotherms, three kinetic models and thermodynamic study. The concentration of the ion and pH in the solution proved to be a controlling factor in the adsorption process. Sodium oleate and sodium palmitate soaps adsorbed strongly onto the barite mineral at pH 9 and a temperature of 293k. They result was affected by the high bulk density and chemical resistance nature of barite indicated by successive increase in dosage amount. The effect of concentration and time typically gave a C-type adsorption isotherm. Adsorptive isotherm showed that sodium palmitate adsorption over natural barite was better described by the Langmuir adsorption isotherm while oleate desorption gave a good fitting with Freundlich isotherm. The adsorptive kinetics of sodium palmitate fitted well into pseudo 1 st order and 2nd order kinetics. Intra particle diffusion was not the rate-determining step. Thermodynamic study showed a physio-sorption that was exothermic. Hence the findings showed that pristine barite absorbs at optimum pH and temperature of 9 and 293K.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate
    AU  - Nwoko Christopher Ikpe Amadi
    AU  - Nkwoada Amarachi Udoka
    AU  - Okoji Josephine
    AU  - Opah Solomon
    Y1  - 2019/01/28
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajpc.20180704.12
    DO  - 10.11648/j.ajpc.20180704.12
    T2  - American Journal of Physical Chemistry
    JF  - American Journal of Physical Chemistry
    JO  - American Journal of Physical Chemistry
    SP  - 63
    EP  - 72
    PB  - Science Publishing Group
    SN  - 2327-2449
    UR  - https://doi.org/10.11648/j.ajpc.20180704.12
    AB  - Characterization of the pristine barite mineral was established using a scanning electron microscope (SEM) and Fourier Transform Infra-Red (FTIR). Barite was applied for sodium oleate and sodium palmitate adsorption in aqueous solutions. Equilibrium adsorption data were fitted into two adsorption isotherms, three kinetic models and thermodynamic study. The concentration of the ion and pH in the solution proved to be a controlling factor in the adsorption process. Sodium oleate and sodium palmitate soaps adsorbed strongly onto the barite mineral at pH 9 and a temperature of 293k. They result was affected by the high bulk density and chemical resistance nature of barite indicated by successive increase in dosage amount. The effect of concentration and time typically gave a C-type adsorption isotherm. Adsorptive isotherm showed that sodium palmitate adsorption over natural barite was better described by the Langmuir adsorption isotherm while oleate desorption gave a good fitting with Freundlich isotherm. The adsorptive kinetics of sodium palmitate fitted well into pseudo 1 st order and 2nd order kinetics. Intra particle diffusion was not the rate-determining step. Thermodynamic study showed a physio-sorption that was exothermic. Hence the findings showed that pristine barite absorbs at optimum pH and temperature of 9 and 293K.
    VL  - 7
    IS  - 4
    ER  - 

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Author Information
  • Department of Chemistry, School of Physical Sciences, Federal University of Technology, Owerri, Nigeria

  • Department of Chemistry, School of Physical Sciences, Federal University of Technology, Owerri, Nigeria

  • Department of Chemistry, School of Physical Sciences, Federal University of Technology, Owerri, Nigeria

  • Department of Chemistry, School of Physical Sciences, Federal University of Technology, Owerri, Nigeria

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