Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater

Owolabi Mutolib Bankole; Oluwatoba Emmanuel Oyeneyin; Segun Esan Olaseni; Olaniran Kolawole Akeremale; Pelumi Adanigbo

doi:doi:10.11648/j.ajac.20190701.12

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Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater

Owolabi Mutolib Bankole, Oluwatoba Emmanuel Oyeneyin, Segun Esan Olaseni, Olaniran Kolawole Akeremale, Pelumi Adanigbo

Published in American Journal of Applied Chemistry (Volume 7, Issue 1)

Received: 17 January 2019 Accepted: 4 March 2019 Published: 29 March 2019

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Abstract

This report describes for the first time the kinetics, thermodynamic and optimized conditions for maximum removal of Rhodamine B in aqueous solution onto nanosheets of graphene oxides. Results from the GONS characterizations: UV, TEM, FTIR, EDX and XRD, revealed successful introduction of oxygen functionalities on the pristine graphite lattices. Adsorptive behaviour of RhB dye onto GONS under different experimental conditions such as pH, initial concentrations, adsorbent dosage, temperature, and contact time, were fully discussed in this work. The study showed that ≈93% of RhB was removed from simulated wastewater at; sorbent mass of 16.67mg; pH of 6.5; temperature of 298K; contact time of 60min; and concentrations ranging from 2.5 to 30mg/L. Experimental data tested against results of the kinetics and adsorption isotherm models, revealed that the sorption of RhB were best described by pseudo-second order and Freundlich models, respectively. Regeneration of the spent adsorbent was investigated using water, methanol and methanol/acetic acid (9:1) solution, as desorbing eluents. Methanol solution of acetic acid was observed to remove up to 94% of adsorbed RhB from GO surface compared to water (71.36%), and methanol (45.52%). The ease at which RhB was eluted from RhB-loaded GO using methanol/acetic acid (9:1), methanol and water shows that the adsorption mechanism is best described by physisorption.

Published in	American Journal of Applied Chemistry (Volume 7, Issue 1)
DOI	10.11648/j.ajac.20190701.12
Page(s)	10-24
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

Graphene Oxide, Rhodamine B Dye, Adsorption, Kinetics, Thermodynamics, Wastewater

References

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Owolabi Mutolib Bankole, Oluwatoba Emmanuel Oyeneyin, Segun Esan Olaseni, Olaniran Kolawole Akeremale, Pelumi Adanigbo. (2019). Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater. American Journal of Applied Chemistry, 7(1), 10-24. https://doi.org/10.11648/j.ajac.20190701.12

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Owolabi Mutolib Bankole; Oluwatoba Emmanuel Oyeneyin; Segun Esan Olaseni; Olaniran Kolawole Akeremale; Pelumi Adanigbo. Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater. Am. J. Appl. Chem. 2019, 7(1), 10-24. doi: 10.11648/j.ajac.20190701.12

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Owolabi Mutolib Bankole, Oluwatoba Emmanuel Oyeneyin, Segun Esan Olaseni, Olaniran Kolawole Akeremale, Pelumi Adanigbo. Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater. Am J Appl Chem. 2019;7(1):10-24. doi: 10.11648/j.ajac.20190701.12

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@article{10.11648/j.ajac.20190701.12,
  author = {Owolabi Mutolib Bankole and Oluwatoba Emmanuel Oyeneyin and Segun Esan Olaseni and Olaniran Kolawole Akeremale and Pelumi Adanigbo},
  title = {Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater},
  journal = {American Journal of Applied Chemistry},
  volume = {7},
  number = {1},
  pages = {10-24},
  doi = {10.11648/j.ajac.20190701.12},
  url = {https://doi.org/10.11648/j.ajac.20190701.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20190701.12},
  abstract = {This report describes for the first time the kinetics, thermodynamic and optimized conditions for maximum removal of Rhodamine B in aqueous solution onto nanosheets of graphene oxides. Results from the GONS characterizations: UV, TEM, FTIR, EDX and XRD, revealed successful introduction of oxygen functionalities on the pristine graphite lattices. Adsorptive behaviour of RhB dye onto GONS under different experimental conditions such as pH, initial concentrations, adsorbent dosage, temperature, and contact time, were fully discussed in this work. The study showed that ≈93% of RhB was removed from simulated wastewater at; sorbent mass of 16.67mg; pH of 6.5; temperature of 298K; contact time of 60min; and concentrations ranging from 2.5 to 30mg/L. Experimental data tested against results of the kinetics and adsorption isotherm models, revealed that the sorption of RhB were best described by pseudo-second order and Freundlich models, respectively. Regeneration of the spent adsorbent was investigated using water, methanol and methanol/acetic acid (9:1) solution, as desorbing eluents. Methanol solution of acetic acid was observed to remove up to 94% of adsorbed RhB from GO surface compared to water (71.36%), and methanol (45.52%). The ease at which RhB was eluted from RhB-loaded GO using methanol/acetic acid (9:1), methanol and water shows that the adsorption mechanism is best described by physisorption.},
 year = {2019}
}

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TY  - JOUR
T1  - Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater
AU  - Owolabi Mutolib Bankole
AU  - Oluwatoba Emmanuel Oyeneyin
AU  - Segun Esan Olaseni
AU  - Olaniran Kolawole Akeremale
AU  - Pelumi Adanigbo
Y1  - 2019/03/29
PY  - 2019
N1  - https://doi.org/10.11648/j.ajac.20190701.12
DO  - 10.11648/j.ajac.20190701.12
T2  - American Journal of Applied Chemistry
JF  - American Journal of Applied Chemistry
JO  - American Journal of Applied Chemistry
SP  - 10
EP  - 24
PB  - Science Publishing Group
SN  - 2330-8745
UR  - https://doi.org/10.11648/j.ajac.20190701.12
AB  - This report describes for the first time the kinetics, thermodynamic and optimized conditions for maximum removal of Rhodamine B in aqueous solution onto nanosheets of graphene oxides. Results from the GONS characterizations: UV, TEM, FTIR, EDX and XRD, revealed successful introduction of oxygen functionalities on the pristine graphite lattices. Adsorptive behaviour of RhB dye onto GONS under different experimental conditions such as pH, initial concentrations, adsorbent dosage, temperature, and contact time, were fully discussed in this work. The study showed that ≈93% of RhB was removed from simulated wastewater at; sorbent mass of 16.67mg; pH of 6.5; temperature of 298K; contact time of 60min; and concentrations ranging from 2.5 to 30mg/L. Experimental data tested against results of the kinetics and adsorption isotherm models, revealed that the sorption of RhB were best described by pseudo-second order and Freundlich models, respectively. Regeneration of the spent adsorbent was investigated using water, methanol and methanol/acetic acid (9:1) solution, as desorbing eluents. Methanol solution of acetic acid was observed to remove up to 94% of adsorbed RhB from GO surface compared to water (71.36%), and methanol (45.52%). The ease at which RhB was eluted from RhB-loaded GO using methanol/acetic acid (9:1), methanol and water shows that the adsorption mechanism is best described by physisorption.
VL  - 7
IS  - 1
ER  -

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Author Information

Owolabi Mutolib Bankole

Hydrochemistry Laboratory, Department of Chemical Sciences, Adekunle Ajasin University, Akungba, Nigeria
Oluwatoba Emmanuel Oyeneyin

Hydrochemistry Laboratory, Department of Chemical Sciences, Adekunle Ajasin University, Akungba, Nigeria
Segun Esan Olaseni

Hydrochemistry Laboratory, Department of Chemical Sciences, Adekunle Ajasin University, Akungba, Nigeria
Olaniran Kolawole Akeremale

Hydrochemistry Laboratory, Department of Chemical Sciences, Adekunle Ajasin University, Akungba, Nigeria
Pelumi Adanigbo

Hydrochemistry Laboratory, Department of Chemical Sciences, Adekunle Ajasin University, Akungba, Nigeria

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Owolabi Mutolib Bankole, Oluwatoba Emmanuel Oyeneyin, Segun Esan Olaseni, Olaniran Kolawole Akeremale, Pelumi Adanigbo. (2019). Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater. American Journal of Applied Chemistry, 7(1), 10-24. https://doi.org/10.11648/j.ajac.20190701.12

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ACS Style

Owolabi Mutolib Bankole; Oluwatoba Emmanuel Oyeneyin; Segun Esan Olaseni; Olaniran Kolawole Akeremale; Pelumi Adanigbo. Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater. Am. J. Appl. Chem. 2019, 7(1), 10-24. doi: 10.11648/j.ajac.20190701.12

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AMA Style

Owolabi Mutolib Bankole, Oluwatoba Emmanuel Oyeneyin, Segun Esan Olaseni, Olaniran Kolawole Akeremale, Pelumi Adanigbo. Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater. Am J Appl Chem. 2019;7(1):10-24. doi: 10.11648/j.ajac.20190701.12

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@article{10.11648/j.ajac.20190701.12,
  author = {Owolabi Mutolib Bankole and Oluwatoba Emmanuel Oyeneyin and Segun Esan Olaseni and Olaniran Kolawole Akeremale and Pelumi Adanigbo},
  title = {Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater},
  journal = {American Journal of Applied Chemistry},
  volume = {7},
  number = {1},
  pages = {10-24},
  doi = {10.11648/j.ajac.20190701.12},
  url = {https://doi.org/10.11648/j.ajac.20190701.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20190701.12},
  abstract = {This report describes for the first time the kinetics, thermodynamic and optimized conditions for maximum removal of Rhodamine B in aqueous solution onto nanosheets of graphene oxides. Results from the GONS characterizations: UV, TEM, FTIR, EDX and XRD, revealed successful introduction of oxygen functionalities on the pristine graphite lattices. Adsorptive behaviour of RhB dye onto GONS under different experimental conditions such as pH, initial concentrations, adsorbent dosage, temperature, and contact time, were fully discussed in this work. The study showed that ≈93% of RhB was removed from simulated wastewater at; sorbent mass of 16.67mg; pH of 6.5; temperature of 298K; contact time of 60min; and concentrations ranging from 2.5 to 30mg/L. Experimental data tested against results of the kinetics and adsorption isotherm models, revealed that the sorption of RhB were best described by pseudo-second order and Freundlich models, respectively. Regeneration of the spent adsorbent was investigated using water, methanol and methanol/acetic acid (9:1) solution, as desorbing eluents. Methanol solution of acetic acid was observed to remove up to 94% of adsorbed RhB from GO surface compared to water (71.36%), and methanol (45.52%). The ease at which RhB was eluted from RhB-loaded GO using methanol/acetic acid (9:1), methanol and water shows that the adsorption mechanism is best described by physisorption.},
 year = {2019}
}

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TY  - JOUR
T1  - Kinetics and Thermodynamic Studies for Rhodamine B Dye Removal onto Graphene Oxide Nanosheets in Simulated Wastewater
AU  - Owolabi Mutolib Bankole
AU  - Oluwatoba Emmanuel Oyeneyin
AU  - Segun Esan Olaseni
AU  - Olaniran Kolawole Akeremale
AU  - Pelumi Adanigbo
Y1  - 2019/03/29
PY  - 2019
N1  - https://doi.org/10.11648/j.ajac.20190701.12
DO  - 10.11648/j.ajac.20190701.12
T2  - American Journal of Applied Chemistry
JF  - American Journal of Applied Chemistry
JO  - American Journal of Applied Chemistry
SP  - 10
EP  - 24
PB  - Science Publishing Group
SN  - 2330-8745
UR  - https://doi.org/10.11648/j.ajac.20190701.12
AB  - This report describes for the first time the kinetics, thermodynamic and optimized conditions for maximum removal of Rhodamine B in aqueous solution onto nanosheets of graphene oxides. Results from the GONS characterizations: UV, TEM, FTIR, EDX and XRD, revealed successful introduction of oxygen functionalities on the pristine graphite lattices. Adsorptive behaviour of RhB dye onto GONS under different experimental conditions such as pH, initial concentrations, adsorbent dosage, temperature, and contact time, were fully discussed in this work. The study showed that ≈93% of RhB was removed from simulated wastewater at; sorbent mass of 16.67mg; pH of 6.5; temperature of 298K; contact time of 60min; and concentrations ranging from 2.5 to 30mg/L. Experimental data tested against results of the kinetics and adsorption isotherm models, revealed that the sorption of RhB were best described by pseudo-second order and Freundlich models, respectively. Regeneration of the spent adsorbent was investigated using water, methanol and methanol/acetic acid (9:1) solution, as desorbing eluents. Methanol solution of acetic acid was observed to remove up to 94% of adsorbed RhB from GO surface compared to water (71.36%), and methanol (45.52%). The ease at which RhB was eluted from RhB-loaded GO using methanol/acetic acid (9:1), methanol and water shows that the adsorption mechanism is best described by physisorption.
VL  - 7
IS  - 1
ER  -

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