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Egyptian Journal of Chemistry
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Issue Conference Issue (The 8th International Conference of The Textile Research Division (ICTRD 2017), National Research Centre, Cairo 12622, Egypt.)
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Wassel, M., Farg, R., Shehata, H., Anwar, A., Mohamed, H. (2017). Investigate the Adsorption Mechanism of Heavy Metals as Chromium Ions (Cr+3) from Different Solutions Using Modified Chitosan. Egyptian Journal of Chemistry, 60(Conference Issue (The 8th International Conference of The Textile Research Division (ICTRD 2017), National Research Centre, Cairo 12622, Egypt.)), 1-14. doi: 10.21608/ejchem.2017.1593.1125
Magdy A. Wassel; R. S. Farg; Hassan A. Shehata; Amal M. Anwar; Hussein A. Mohamed. "Investigate the Adsorption Mechanism of Heavy Metals as Chromium Ions (Cr+3) from Different Solutions Using Modified Chitosan". Egyptian Journal of Chemistry, 60, Conference Issue (The 8th International Conference of The Textile Research Division (ICTRD 2017), National Research Centre, Cairo 12622, Egypt.), 2017, 1-14. doi: 10.21608/ejchem.2017.1593.1125
Wassel, M., Farg, R., Shehata, H., Anwar, A., Mohamed, H. (2017). 'Investigate the Adsorption Mechanism of Heavy Metals as Chromium Ions (Cr+3) from Different Solutions Using Modified Chitosan', Egyptian Journal of Chemistry, 60(Conference Issue (The 8th International Conference of The Textile Research Division (ICTRD 2017), National Research Centre, Cairo 12622, Egypt.)), pp. 1-14. doi: 10.21608/ejchem.2017.1593.1125
Wassel, M., Farg, R., Shehata, H., Anwar, A., Mohamed, H. Investigate the Adsorption Mechanism of Heavy Metals as Chromium Ions (Cr+3) from Different Solutions Using Modified Chitosan. Egyptian Journal of Chemistry, 2017; 60(Conference Issue (The 8th International Conference of The Textile Research Division (ICTRD 2017), National Research Centre, Cairo 12622, Egypt.)): 1-14. doi: 10.21608/ejchem.2017.1593.1125

Investigate the Adsorption Mechanism of Heavy Metals as Chromium Ions (Cr+3) from Different Solutions Using Modified Chitosan

Article 1, Volume 60, Conference Issue (The 8th International Conference of The Textile Research Division (ICTRD 2017), National Research Centre, Cairo 12622, Egypt.), December 2017, Page 1-14  XML PDF (692.9 K)
Document Type: Original Article
DOI: 10.21608/ejchem.2017.1593.1125
Authors
Magdy A. Wassel1; R. S. Farg1; Hassan A. Shehata1; Amal M. Anwar1; Hussein A. Mohamed* 2
1Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Naser City, Egypt.
2Central Laboratories of the Egyptian Mineral Resources Authority, Cairo 12622, Egypt.
Receive Date: 01 September 2017,  Revise Date: 10 December 2017,  Accept Date: 14 December 2017 
Abstract
The objective of this study is to assess the removal of Cr (III) ions onto modified chitosan-starch from aqueous solutions under both acidic and basic conditions. The effect of various parameters has been investigated via batch adsorption technique. Such parameters include initial concentration of adsorbate, agitation time, adsorbent dosage, chemical kinetics, and influence of temperature. The experimental data was fit well to Frendlich adsorption isotherm. The thermodynamic parameters such as ΔH, ΔS and ΔG were calculated, indicating that the adsorption was spontaneous and endothermic in nature.
Keywords
Cr (III); Modified Chitosan; Starch; aqueous solutions; Acid/Alkaline; Adsorption Isotherm
Main Subjects
Textile chemistry
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