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Surface Engineering Effect on Optimizing Hydrogenation Timing of Green Hydrogenated Chitosan-Mediated CuO (H-Cht-CuO) for Cashew-kernel-oil Hydrogenation

Received: 22 August 2019     Accepted: 20 September 2019     Published: 29 September 2019
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Abstract

The effect of polycrystallite surface engineering on the time required to fully hydrogenate green chitosan-mediated CuO to form hydrogenated chitosan-mediated CuO (H-Cht-CuO) as well as the catalytic properties of both CuO and H-Cht-CuO have been investigated. The prepared chitosan mediated CuO was obtained from the reaction of copper (II) sulphatepentahydrate with green alkali (aqueous extract of ripe plantain peel ash) via sol-gel technique (chitosan-gel mediated) and heated at 550°C for 6 h. The resultant sample was divided into two portions. The first was used as the control experiment (0 min) while the second was hydrogenated at varying times of 2 to 8 mins to form the H-Cht-CuO samples. A second CuO (control) without chitosan was also synthesized for structural and surface morphological comparisons with the chitosan-mediated using the XRD and SEM techniques, respectively. The XRD reflections showed differences in peak intensities with the chitosan-mediated having broader peaks while its SEM pores were 8.5 times larger than those of CuO (non chitosan-mediated). UV-Vis analysis of the samples showed that the 2 mins H-Cht-CuO sample had the maximum absorptivity while CuO (control-chitosan mediated) had the least. Both samples were used as catalysts in the hydrogenation of Cashew kernel oil. The GC-MS results showed that the Oleic acid component was reduced from 84.36% to 0.06% and 0%, Linoleic acid from 8.68% to 3.63% and 0% with increase in Stearic acid (saturated C18) from 4.88% to 34.97% and 84.76% by the CuO and H-Cht-CuO, respectively.

Published in Modern Chemistry (Volume 7, Issue 3)

This article belongs to the Special Issue Green Synthesis of Nanostructured Materials and Their Catalytic Applications

DOI 10.11648/j.mc.20190703.15
Page(s) 73-79
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

Optimizing, Hydrogenation Timing, Chitosan-Mediated, Surface Engineering, Cashew-Kernel-Oil Hydrogenation

References
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    Joshua Lelesi Konne, Hamilton Amachree Akens, Arinze Amauche Uwaezuoke, Achu Golden Chiamaka. (2019). Surface Engineering Effect on Optimizing Hydrogenation Timing of Green Hydrogenated Chitosan-Mediated CuO (H-Cht-CuO) for Cashew-kernel-oil Hydrogenation. Modern Chemistry, 7(3), 73-79. https://doi.org/10.11648/j.mc.20190703.15

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    ACS Style

    Joshua Lelesi Konne; Hamilton Amachree Akens; Arinze Amauche Uwaezuoke; Achu Golden Chiamaka. Surface Engineering Effect on Optimizing Hydrogenation Timing of Green Hydrogenated Chitosan-Mediated CuO (H-Cht-CuO) for Cashew-kernel-oil Hydrogenation. Mod. Chem. 2019, 7(3), 73-79. doi: 10.11648/j.mc.20190703.15

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    AMA Style

    Joshua Lelesi Konne, Hamilton Amachree Akens, Arinze Amauche Uwaezuoke, Achu Golden Chiamaka. Surface Engineering Effect on Optimizing Hydrogenation Timing of Green Hydrogenated Chitosan-Mediated CuO (H-Cht-CuO) for Cashew-kernel-oil Hydrogenation. Mod Chem. 2019;7(3):73-79. doi: 10.11648/j.mc.20190703.15

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  • @article{10.11648/j.mc.20190703.15,
      author = {Joshua Lelesi Konne and Hamilton Amachree Akens and Arinze Amauche Uwaezuoke and Achu Golden Chiamaka},
      title = {Surface Engineering Effect on Optimizing Hydrogenation Timing of Green Hydrogenated Chitosan-Mediated CuO (H-Cht-CuO) for Cashew-kernel-oil Hydrogenation},
      journal = {Modern Chemistry},
      volume = {7},
      number = {3},
      pages = {73-79},
      doi = {10.11648/j.mc.20190703.15},
      url = {https://doi.org/10.11648/j.mc.20190703.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20190703.15},
      abstract = {The effect of polycrystallite surface engineering on the time required to fully hydrogenate green chitosan-mediated CuO to form hydrogenated chitosan-mediated CuO (H-Cht-CuO) as well as the catalytic properties of both CuO and H-Cht-CuO have been investigated. The prepared chitosan mediated CuO was obtained from the reaction of copper (II) sulphatepentahydrate with green alkali (aqueous extract of ripe plantain peel ash) via sol-gel technique (chitosan-gel mediated) and heated at 550°C for 6 h. The resultant sample was divided into two portions. The first was used as the control experiment (0 min) while the second was hydrogenated at varying times of 2 to 8 mins to form the H-Cht-CuO samples. A second CuO (control) without chitosan was also synthesized for structural and surface morphological comparisons with the chitosan-mediated using the XRD and SEM techniques, respectively. The XRD reflections showed differences in peak intensities with the chitosan-mediated having broader peaks while its SEM pores were 8.5 times larger than those of CuO (non chitosan-mediated). UV-Vis analysis of the samples showed that the 2 mins H-Cht-CuO sample had the maximum absorptivity while CuO (control-chitosan mediated) had the least. Both samples were used as catalysts in the hydrogenation of Cashew kernel oil. The GC-MS results showed that the Oleic acid component was reduced from 84.36% to 0.06% and 0%, Linoleic acid from 8.68% to 3.63% and 0% with increase in Stearic acid (saturated C18) from 4.88% to 34.97% and 84.76% by the CuO and H-Cht-CuO, respectively.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Surface Engineering Effect on Optimizing Hydrogenation Timing of Green Hydrogenated Chitosan-Mediated CuO (H-Cht-CuO) for Cashew-kernel-oil Hydrogenation
    AU  - Joshua Lelesi Konne
    AU  - Hamilton Amachree Akens
    AU  - Arinze Amauche Uwaezuoke
    AU  - Achu Golden Chiamaka
    Y1  - 2019/09/29
    PY  - 2019
    N1  - https://doi.org/10.11648/j.mc.20190703.15
    DO  - 10.11648/j.mc.20190703.15
    T2  - Modern Chemistry
    JF  - Modern Chemistry
    JO  - Modern Chemistry
    SP  - 73
    EP  - 79
    PB  - Science Publishing Group
    SN  - 2329-180X
    UR  - https://doi.org/10.11648/j.mc.20190703.15
    AB  - The effect of polycrystallite surface engineering on the time required to fully hydrogenate green chitosan-mediated CuO to form hydrogenated chitosan-mediated CuO (H-Cht-CuO) as well as the catalytic properties of both CuO and H-Cht-CuO have been investigated. The prepared chitosan mediated CuO was obtained from the reaction of copper (II) sulphatepentahydrate with green alkali (aqueous extract of ripe plantain peel ash) via sol-gel technique (chitosan-gel mediated) and heated at 550°C for 6 h. The resultant sample was divided into two portions. The first was used as the control experiment (0 min) while the second was hydrogenated at varying times of 2 to 8 mins to form the H-Cht-CuO samples. A second CuO (control) without chitosan was also synthesized for structural and surface morphological comparisons with the chitosan-mediated using the XRD and SEM techniques, respectively. The XRD reflections showed differences in peak intensities with the chitosan-mediated having broader peaks while its SEM pores were 8.5 times larger than those of CuO (non chitosan-mediated). UV-Vis analysis of the samples showed that the 2 mins H-Cht-CuO sample had the maximum absorptivity while CuO (control-chitosan mediated) had the least. Both samples were used as catalysts in the hydrogenation of Cashew kernel oil. The GC-MS results showed that the Oleic acid component was reduced from 84.36% to 0.06% and 0%, Linoleic acid from 8.68% to 3.63% and 0% with increase in Stearic acid (saturated C18) from 4.88% to 34.97% and 84.76% by the CuO and H-Cht-CuO, respectively.
    VL  - 7
    IS  - 3
    ER  - 

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Author Information
  • Department of Chemistry, Rivers State University, Port Harcourt, Nigeria

  • Department of Chemistry, Federal University, Otuoke, Nigeria

  • Department of Chemistry, Rivers State University, Port Harcourt, Nigeria

  • Department of Chemistry, Rivers State University, Port Harcourt, Nigeria

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