Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod

Onwu Francis Kalu; Nwokedi Chizoba Bridget

doi:doi:10.11648/j.am.20170605.15

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Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod

Onwu Francis Kalu, Nwokedi Chizoba Bridget

Published in Advances in Materials (Volume 6, Issue 5)

Received: 13 March 2017 Accepted: 15 May 2017 Published: 24 October 2017

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Abstract

Batch adsorption studies were conducted to determine the extent and nature of adsorption of Ni(ll), Cu(ll) and Cd(ll) ions from aqueous solutions onto JatrophacurcasSeed pod. The effects of pH, initial metal ion concentration and presence of co-ions were studied. Results showed that the adsorption process was dependent on pH, having optimum pH for adsorption of Ni(ll) at 7.0 and with maximum amount adsorbed as 9.23 mg/g. That of Cu(ll) occurred at pH 8.0 with maximum amount adsorbed as 9.65 mg/g while for Cd(ll), the pH for optimum adsorption occurred at pH 6.0 with maximum amount of 9.99 mg/g adsorbed. Evaluation of percentage removal shows that the percentage of Ni(ll), Cu(ll) and Cd(ll) adsorbed at their optimum pH corresponded to 92.30%, 96.50% and 99.90% respectively. Increasing the initial concentration of the metal ions was also found to increase the adsorption capacity for the metal ions by the adsorbent. The experimental data were interpreted using three isotherm models viz; the Langmuir, Freundlich and Dubinin-RadushKevich isotherms. Results showed that the Freundlich isotherm provided the best fit to the experimental adsorption data. The mean free energy values, E (which ranged from 1.343 to 2.275 kJ mol^-1) calculated from the Dubinin-RadushKevich (D-R) isotherm equation suggests weak interaction between the metal ions and the adsorbent, thus revealing that the mode of the adsorption process follows physisorption. Assessment of competitive adsorption of the metal ions from mixed metal ions solutions shows that the presence of foreign ions in the solution diminished the adsorption density of the metal ion under consideration. The results generally showed that the order of adsorption of the metal ions onto the biosorbent follows the trend Cd(ll) > Cu(ll) > Ni(ll).

Published in	Advances in Materials (Volume 6, Issue 5)
DOI	10.11648/j.am.20170605.15
Page(s)	77-84
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), 2017. Published by Science Publishing Group

Keywords

Adsorption Isotherms, Biosorbent, Heavy Metals, JatrophaCurcas, Wastewaters

References

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APA Style

Onwu Francis Kalu, Nwokedi Chizoba Bridget. (2017). Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod. Advances in Materials, 6(5), 77-84. https://doi.org/10.11648/j.am.20170605.15

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ACS Style

Onwu Francis Kalu; Nwokedi Chizoba Bridget. Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod. Adv. Mater. 2017, 6(5), 77-84. doi: 10.11648/j.am.20170605.15

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AMA Style

Onwu Francis Kalu, Nwokedi Chizoba Bridget. Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod. Adv Mater. 2017;6(5):77-84. doi: 10.11648/j.am.20170605.15

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@article{10.11648/j.am.20170605.15,
  author = {Onwu Francis Kalu and Nwokedi Chizoba Bridget},
  title = {Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod},
  journal = {Advances in Materials},
  volume = {6},
  number = {5},
  pages = {77-84},
  doi = {10.11648/j.am.20170605.15},
  url = {https://doi.org/10.11648/j.am.20170605.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20170605.15},
  abstract = {Batch adsorption studies were conducted to determine the extent and nature of adsorption of Ni(ll), Cu(ll) and Cd(ll) ions from aqueous solutions onto JatrophacurcasSeed pod. The effects of pH, initial metal ion concentration and presence of co-ions were studied. Results showed that the adsorption process was dependent on pH, having optimum pH for adsorption of Ni(ll) at 7.0 and with maximum amount adsorbed as 9.23 mg/g. That of Cu(ll) occurred at pH 8.0 with maximum amount adsorbed as 9.65 mg/g while for Cd(ll), the pH for optimum adsorption occurred at pH 6.0 with maximum amount of 9.99 mg/g adsorbed. Evaluation of percentage removal shows that the percentage of Ni(ll), Cu(ll) and Cd(ll) adsorbed at their optimum pH corresponded to 92.30%, 96.50% and 99.90% respectively. Increasing the initial concentration of the metal ions was also found to increase the adsorption capacity for the metal ions by the adsorbent. The experimental data were interpreted using three isotherm models viz; the Langmuir, Freundlich and Dubinin-RadushKevich isotherms. Results showed that the Freundlich isotherm provided the best fit to the experimental adsorption data. The mean free energy values, E (which ranged from 1.343 to 2.275 kJ mol-1) calculated from the Dubinin-RadushKevich (D-R) isotherm equation suggests weak interaction between the metal ions and the adsorbent, thus revealing that the mode of the adsorption process follows physisorption. Assessment of competitive adsorption of the metal ions from mixed metal ions solutions shows that the presence of foreign ions in the solution diminished the adsorption density of the metal ion under consideration. The results generally showed that the order of adsorption of the metal ions onto the biosorbent follows the trend Cd(ll) > Cu(ll) > Ni(ll).},
 year = {2017}
}

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TY  - JOUR
T1  - Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod
AU  - Onwu Francis Kalu
AU  - Nwokedi Chizoba Bridget
Y1  - 2017/10/24
PY  - 2017
N1  - https://doi.org/10.11648/j.am.20170605.15
DO  - 10.11648/j.am.20170605.15
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 77
EP  - 84
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20170605.15
AB  - Batch adsorption studies were conducted to determine the extent and nature of adsorption of Ni(ll), Cu(ll) and Cd(ll) ions from aqueous solutions onto JatrophacurcasSeed pod. The effects of pH, initial metal ion concentration and presence of co-ions were studied. Results showed that the adsorption process was dependent on pH, having optimum pH for adsorption of Ni(ll) at 7.0 and with maximum amount adsorbed as 9.23 mg/g. That of Cu(ll) occurred at pH 8.0 with maximum amount adsorbed as 9.65 mg/g while for Cd(ll), the pH for optimum adsorption occurred at pH 6.0 with maximum amount of 9.99 mg/g adsorbed. Evaluation of percentage removal shows that the percentage of Ni(ll), Cu(ll) and Cd(ll) adsorbed at their optimum pH corresponded to 92.30%, 96.50% and 99.90% respectively. Increasing the initial concentration of the metal ions was also found to increase the adsorption capacity for the metal ions by the adsorbent. The experimental data were interpreted using three isotherm models viz; the Langmuir, Freundlich and Dubinin-RadushKevich isotherms. Results showed that the Freundlich isotherm provided the best fit to the experimental adsorption data. The mean free energy values, E (which ranged from 1.343 to 2.275 kJ mol-1) calculated from the Dubinin-RadushKevich (D-R) isotherm equation suggests weak interaction between the metal ions and the adsorbent, thus revealing that the mode of the adsorption process follows physisorption. Assessment of competitive adsorption of the metal ions from mixed metal ions solutions shows that the presence of foreign ions in the solution diminished the adsorption density of the metal ion under consideration. The results generally showed that the order of adsorption of the metal ions onto the biosorbent follows the trend Cd(ll) > Cu(ll) > Ni(ll).
VL  - 6
IS  - 5
ER  -

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Author Information

Onwu Francis Kalu

Department of Chemistry, Michael Okpara University of Agriculture, Umudike, Nigeria
Nwokedi Chizoba Bridget

Department of Chemistry, Michael Okpara University of Agriculture, Umudike, Nigeria

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Onwu Francis Kalu, Nwokedi Chizoba Bridget. (2017). Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod. Advances in Materials, 6(5), 77-84. https://doi.org/10.11648/j.am.20170605.15

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ACS Style

Onwu Francis Kalu; Nwokedi Chizoba Bridget. Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod. Adv. Mater. 2017, 6(5), 77-84. doi: 10.11648/j.am.20170605.15

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AMA Style

Onwu Francis Kalu, Nwokedi Chizoba Bridget. Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod. Adv Mater. 2017;6(5):77-84. doi: 10.11648/j.am.20170605.15

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@article{10.11648/j.am.20170605.15,
  author = {Onwu Francis Kalu and Nwokedi Chizoba Bridget},
  title = {Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod},
  journal = {Advances in Materials},
  volume = {6},
  number = {5},
  pages = {77-84},
  doi = {10.11648/j.am.20170605.15},
  url = {https://doi.org/10.11648/j.am.20170605.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20170605.15},
  abstract = {Batch adsorption studies were conducted to determine the extent and nature of adsorption of Ni(ll), Cu(ll) and Cd(ll) ions from aqueous solutions onto JatrophacurcasSeed pod. The effects of pH, initial metal ion concentration and presence of co-ions were studied. Results showed that the adsorption process was dependent on pH, having optimum pH for adsorption of Ni(ll) at 7.0 and with maximum amount adsorbed as 9.23 mg/g. That of Cu(ll) occurred at pH 8.0 with maximum amount adsorbed as 9.65 mg/g while for Cd(ll), the pH for optimum adsorption occurred at pH 6.0 with maximum amount of 9.99 mg/g adsorbed. Evaluation of percentage removal shows that the percentage of Ni(ll), Cu(ll) and Cd(ll) adsorbed at their optimum pH corresponded to 92.30%, 96.50% and 99.90% respectively. Increasing the initial concentration of the metal ions was also found to increase the adsorption capacity for the metal ions by the adsorbent. The experimental data were interpreted using three isotherm models viz; the Langmuir, Freundlich and Dubinin-RadushKevich isotherms. Results showed that the Freundlich isotherm provided the best fit to the experimental adsorption data. The mean free energy values, E (which ranged from 1.343 to 2.275 kJ mol-1) calculated from the Dubinin-RadushKevich (D-R) isotherm equation suggests weak interaction between the metal ions and the adsorbent, thus revealing that the mode of the adsorption process follows physisorption. Assessment of competitive adsorption of the metal ions from mixed metal ions solutions shows that the presence of foreign ions in the solution diminished the adsorption density of the metal ion under consideration. The results generally showed that the order of adsorption of the metal ions onto the biosorbent follows the trend Cd(ll) > Cu(ll) > Ni(ll).},
 year = {2017}
}

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TY  - JOUR
T1  - Biosorption of Cd(ll), Cu(ll) and Ni(ll) Ions from Aqueous Solution Using Jatropha Curcas Seed Pod
AU  - Onwu Francis Kalu
AU  - Nwokedi Chizoba Bridget
Y1  - 2017/10/24
PY  - 2017
N1  - https://doi.org/10.11648/j.am.20170605.15
DO  - 10.11648/j.am.20170605.15
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 77
EP  - 84
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20170605.15
AB  - Batch adsorption studies were conducted to determine the extent and nature of adsorption of Ni(ll), Cu(ll) and Cd(ll) ions from aqueous solutions onto JatrophacurcasSeed pod. The effects of pH, initial metal ion concentration and presence of co-ions were studied. Results showed that the adsorption process was dependent on pH, having optimum pH for adsorption of Ni(ll) at 7.0 and with maximum amount adsorbed as 9.23 mg/g. That of Cu(ll) occurred at pH 8.0 with maximum amount adsorbed as 9.65 mg/g while for Cd(ll), the pH for optimum adsorption occurred at pH 6.0 with maximum amount of 9.99 mg/g adsorbed. Evaluation of percentage removal shows that the percentage of Ni(ll), Cu(ll) and Cd(ll) adsorbed at their optimum pH corresponded to 92.30%, 96.50% and 99.90% respectively. Increasing the initial concentration of the metal ions was also found to increase the adsorption capacity for the metal ions by the adsorbent. The experimental data were interpreted using three isotherm models viz; the Langmuir, Freundlich and Dubinin-RadushKevich isotherms. Results showed that the Freundlich isotherm provided the best fit to the experimental adsorption data. The mean free energy values, E (which ranged from 1.343 to 2.275 kJ mol-1) calculated from the Dubinin-RadushKevich (D-R) isotherm equation suggests weak interaction between the metal ions and the adsorbent, thus revealing that the mode of the adsorption process follows physisorption. Assessment of competitive adsorption of the metal ions from mixed metal ions solutions shows that the presence of foreign ions in the solution diminished the adsorption density of the metal ion under consideration. The results generally showed that the order of adsorption of the metal ions onto the biosorbent follows the trend Cd(ll) > Cu(ll) > Ni(ll).
VL  - 6
IS  - 5
ER  -

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