Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process

K. A. Selim; F. I. El Hosiny; M. A. Abdel Khalek; I. Osama

doi:doi:10.11648/j.css.20170202.11

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Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process

K. A. Selim, F. I. El Hosiny, M. A. Abdel Khalek, I. Osama

Published in Colloid and Surface Science (Volume 2, Issue 2)

Received: 31 December 2016 Accepted: 18 January 2017 Published: 15 February 2017

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Abstract

The electrokinetic of chromium, copper, silver and gold ions removal from synthetic and wastewater via electro-flotation was investigated. Kinetics and thermodynamic parameters of the electro-flotation process were determined. The effect of initial pH and metal ion concentration, treatment time and temperature showed that the maximum removal was achieved at pH 6. The order of the metal ions removal is Cr³⁺ > Cu²⁺> Ag⁺ > Au⁺. The removal process follows pseudo first-order kinetics and the adsorption is a heterogeneous system characterized by physical adsorption which is exothermic. Negative values of entropy change ΔS° and Gibbs free energy change ΔG° indicate that this adsorption process is spontaneous and less favorable at high temperatures. The treatment of electroplating wastewater showed that the removal efficiency was ranging between 96 - 99%. The electrical energy consumption was 0.033 Kwh/L.

Published in	Colloid and Surface Science (Volume 2, Issue 2)
DOI	10.11648/j.css.20170202.11
Page(s)	47-53
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

Electro-Flotation, Wastewater, Heavy Metals, Kinetics, Thermodynamics

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APA Style

K. A. Selim, F. I. El Hosiny, M. A. Abdel Khalek, I. Osama. (2017). Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process. Colloid and Surface Science, 2(2), 47-53. https://doi.org/10.11648/j.css.20170202.11

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ACS Style

K. A. Selim; F. I. El Hosiny; M. A. Abdel Khalek; I. Osama. Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process. Colloid Surf. Sci. 2017, 2(2), 47-53. doi: 10.11648/j.css.20170202.11

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AMA Style

K. A. Selim, F. I. El Hosiny, M. A. Abdel Khalek, I. Osama. Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process. Colloid Surf Sci. 2017;2(2):47-53. doi: 10.11648/j.css.20170202.11

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@article{10.11648/j.css.20170202.11,
  author = {K. A. Selim and F. I. El Hosiny and M. A. Abdel Khalek and I. Osama},
  title = {Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process},
  journal = {Colloid and Surface Science},
  volume = {2},
  number = {2},
  pages = {47-53},
  doi = {10.11648/j.css.20170202.11},
  url = {https://doi.org/10.11648/j.css.20170202.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.css.20170202.11},
  abstract = {The electrokinetic of chromium, copper, silver and gold ions removal from synthetic and wastewater via electro-flotation was investigated. Kinetics and thermodynamic parameters of the electro-flotation process were determined. The effect of initial pH and metal ion concentration, treatment time and temperature showed that the maximum removal was achieved at pH 6. The order of the metal ions removal is Cr3+ > Cu2+> Ag+ > Au+. The removal process follows pseudo first-order kinetics and the adsorption is a heterogeneous system characterized by physical adsorption which is exothermic. Negative values of entropy change ΔS° and Gibbs free energy change ΔG° indicate that this adsorption process is spontaneous and less favorable at high temperatures. The treatment of electroplating wastewater showed that the removal efficiency was ranging between 96 - 99%. The electrical energy consumption was 0.033 Kwh/L.},
 year = {2017}
}

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TY  - JOUR
T1  - Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process
AU  - K. A. Selim
AU  - F. I. El Hosiny
AU  - M. A. Abdel Khalek
AU  - I. Osama
Y1  - 2017/02/15
PY  - 2017
N1  - https://doi.org/10.11648/j.css.20170202.11
DO  - 10.11648/j.css.20170202.11
T2  - Colloid and Surface Science
JF  - Colloid and Surface Science
JO  - Colloid and Surface Science
SP  - 47
EP  - 53
PB  - Science Publishing Group
SN  - 2578-9236
UR  - https://doi.org/10.11648/j.css.20170202.11
AB  - The electrokinetic of chromium, copper, silver and gold ions removal from synthetic and wastewater via electro-flotation was investigated. Kinetics and thermodynamic parameters of the electro-flotation process were determined. The effect of initial pH and metal ion concentration, treatment time and temperature showed that the maximum removal was achieved at pH 6. The order of the metal ions removal is Cr3+ > Cu2+> Ag+ > Au+. The removal process follows pseudo first-order kinetics and the adsorption is a heterogeneous system characterized by physical adsorption which is exothermic. Negative values of entropy change ΔS° and Gibbs free energy change ΔG° indicate that this adsorption process is spontaneous and less favorable at high temperatures. The treatment of electroplating wastewater showed that the removal efficiency was ranging between 96 - 99%. The electrical energy consumption was 0.033 Kwh/L.
VL  - 2
IS  - 2
ER  -

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Author Information

K. A. Selim

Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egyp
F. I. El Hosiny

Faculty of Science, Ain Shams University, Cairo, Egypt
M. A. Abdel Khalek

Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egyp
I. Osama

Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egyp

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Plain Text BibTeX RIS

APA Style

K. A. Selim, F. I. El Hosiny, M. A. Abdel Khalek, I. Osama. (2017). Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process. Colloid and Surface Science, 2(2), 47-53. https://doi.org/10.11648/j.css.20170202.11

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ACS Style

K. A. Selim; F. I. El Hosiny; M. A. Abdel Khalek; I. Osama. Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process. Colloid Surf. Sci. 2017, 2(2), 47-53. doi: 10.11648/j.css.20170202.11

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AMA Style

K. A. Selim, F. I. El Hosiny, M. A. Abdel Khalek, I. Osama. Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process. Colloid Surf Sci. 2017;2(2):47-53. doi: 10.11648/j.css.20170202.11

Copy | Download

@article{10.11648/j.css.20170202.11,
  author = {K. A. Selim and F. I. El Hosiny and M. A. Abdel Khalek and I. Osama},
  title = {Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process},
  journal = {Colloid and Surface Science},
  volume = {2},
  number = {2},
  pages = {47-53},
  doi = {10.11648/j.css.20170202.11},
  url = {https://doi.org/10.11648/j.css.20170202.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.css.20170202.11},
  abstract = {The electrokinetic of chromium, copper, silver and gold ions removal from synthetic and wastewater via electro-flotation was investigated. Kinetics and thermodynamic parameters of the electro-flotation process were determined. The effect of initial pH and metal ion concentration, treatment time and temperature showed that the maximum removal was achieved at pH 6. The order of the metal ions removal is Cr3+ > Cu2+> Ag+ > Au+. The removal process follows pseudo first-order kinetics and the adsorption is a heterogeneous system characterized by physical adsorption which is exothermic. Negative values of entropy change ΔS° and Gibbs free energy change ΔG° indicate that this adsorption process is spontaneous and less favorable at high temperatures. The treatment of electroplating wastewater showed that the removal efficiency was ranging between 96 - 99%. The electrical energy consumption was 0.033 Kwh/L.},
 year = {2017}
}

Copy | Download

TY  - JOUR
T1  - Kinetics and Thermodynamics of Some Heavy Metals Removal from Industrial Effluents Through Electro-Flotation Process
AU  - K. A. Selim
AU  - F. I. El Hosiny
AU  - M. A. Abdel Khalek
AU  - I. Osama
Y1  - 2017/02/15
PY  - 2017
N1  - https://doi.org/10.11648/j.css.20170202.11
DO  - 10.11648/j.css.20170202.11
T2  - Colloid and Surface Science
JF  - Colloid and Surface Science
JO  - Colloid and Surface Science
SP  - 47
EP  - 53
PB  - Science Publishing Group
SN  - 2578-9236
UR  - https://doi.org/10.11648/j.css.20170202.11
AB  - The electrokinetic of chromium, copper, silver and gold ions removal from synthetic and wastewater via electro-flotation was investigated. Kinetics and thermodynamic parameters of the electro-flotation process were determined. The effect of initial pH and metal ion concentration, treatment time and temperature showed that the maximum removal was achieved at pH 6. The order of the metal ions removal is Cr3+ > Cu2+> Ag+ > Au+. The removal process follows pseudo first-order kinetics and the adsorption is a heterogeneous system characterized by physical adsorption which is exothermic. Negative values of entropy change ΔS° and Gibbs free energy change ΔG° indicate that this adsorption process is spontaneous and less favorable at high temperatures. The treatment of electroplating wastewater showed that the removal efficiency was ranging between 96 - 99%. The electrical energy consumption was 0.033 Kwh/L.
VL  - 2
IS  - 2
ER  -

Copy | Download