![](/images/graphics-bg.png)
The Effect of Chloride and Sulfate Ions on the Adsorption of Cd 2+ on Clay and Sandy Loam Egyptian Soils
Joint Authors
EL-Hefnawy, Mohamed E.
Selim, Elmetwaly M.
Assaad, Faiz F.
Ismail, Ali I.
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-04-02
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Medicine
Information Technology and Computer Science
Abstract EN
Adsorption of Cd2+ on two types of Egyptian soils: clay (alluvial) and sandy loam (calcareous), was studied.
Effect of changing the matrix electrolyte type and concentration was used to mimic the natural soil salts.
Kinetics and thermodynamic parameters of the adsorption were calculated at two different electrolyte concentrations: 0.05 N and 0.15 N.
The adsorption was described by Langmuir and Freundlich isotherms.
Results showed that lower concentration of the NaCl or Na2SO4 electrolytes (0.05 N) had higher adsorption capacity.
Also, the maximum adsorption of cadmium when using sulfate counter ion is about two to three times higher than that when using chloride (544 μg/g for alluvial soil and 170 μg/g for calcareous soil when using 0.05 N).
Using NaCl as matrix electrolyte, Freundlich isotherms showed bi-linear fits that probably mean a two energy level adsorption.
This might be explained by either the competition of Cd2+ with Na+ or its complexation with Cl−.
American Psychological Association (APA)
EL-Hefnawy, Mohamed E.& Selim, Elmetwaly M.& Assaad, Faiz F.& Ismail, Ali I.. 2014. The Effect of Chloride and Sulfate Ions on the Adsorption of Cd 2+ on Clay and Sandy Loam Egyptian Soils. The Scientific World Journal،Vol. 2014, no. 2014, pp.1-6.
https://search.emarefa.net/detail/BIM-1051116
Modern Language Association (MLA)
EL-Hefnawy, Mohamed E.…[et al.]. The Effect of Chloride and Sulfate Ions on the Adsorption of Cd 2+ on Clay and Sandy Loam Egyptian Soils. The Scientific World Journal No. 2014 (2014), pp.1-6.
https://search.emarefa.net/detail/BIM-1051116
American Medical Association (AMA)
EL-Hefnawy, Mohamed E.& Selim, Elmetwaly M.& Assaad, Faiz F.& Ismail, Ali I.. The Effect of Chloride and Sulfate Ions on the Adsorption of Cd 2+ on Clay and Sandy Loam Egyptian Soils. The Scientific World Journal. 2014. Vol. 2014, no. 2014, pp.1-6.
https://search.emarefa.net/detail/BIM-1051116
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1051116