1Laboratoire des Sciences Technologie et Génie des Procédés (L.S.T.G.P.), Faculté de chimie, Université des Sciences et de la technologie d’Oran Mohammed Boudiaf (USTO M.B.), BP 1505 El M'naouar 31000 Oran, Algeria
2Laboratoire de Chimie des Matériaux Inorganiques et Application (L.C.M.I.A.), Université des Sciences et de la Technologie d’Oran Mohammed Boudiaf (USTO M.B.), BP 1505 El M’naouar 31000 Oran, Algeria
3Directeur de Laboratoire d'Agro-biotechnologie et de Nutrition en Zones Semi-arides, Université Ibn Khaldoun Tiaret, Algérie Tiaret, Algeria
BibTex Citation Data :
@article{BCREC8773, author = {Taibi Mohamed and Elaziouti Abdelkader and Laouedj Nadjia and Dellal Abdelkader}, title = {Study of the Interaction of Heavy Metals (Cu(II), Zn(II)) Ions with a Clay Soil of the Region of Naima-Tiaret-Algeria}, journal = {Bulletin of Chemical Reaction Engineering & Catalysis}, volume = {15}, number = {3}, year = {2020}, keywords = {Interstratification Illite/Montmorillonite; Clay Soil; Heavy metals; Adsorption; Kinetics; Cu(II); Zn(II)}, abstract = { The RM (RM stands for the pristine clay) collected from sites in the Naima-Tiaret-Algeria and its purified phase TM (TM stands for the treated clay) were characterized using XRF, XRD, FT−IR, SEM−EDX, and DC electrical conductivity techniques. The as-prepared clays were used as potential adsorbents for the removal of Cu 2+ and Zn 2+ metals ions. Highly purified clay TM, exhibiting a basal, spacing of 25.83 Å and CEC of 51 meq/100 g, was obtained. The type of interstratified I/M in the studied sites is S=1, based on the calculation method of Watanabe. The percentage of illite type S=1 is between 80−85% illite. The adsorption equilibrium was established in 60 min with the capacities of 28.57 and 24.39 mg/g for Cu 2+ onto RM, 32.25 and 4.95 mg/g for Zn 2+ in the presence of TM. D-R isotherm model was more suitable with the adsorption process than Freundlich and Langmuir models suggesting the ion exchange nature of the retention mechanism in most cases (E > 8 kJ/mol). Pseudo second-order model best described the kinetics of adsorption process. The adsorption mechanism was mainly monitored by ion exchange mechanism between exchangeable interlayer cations (Na) in the interstratified I/M and Cu 2+ or Zn 2+ metals from aqueous matrix. Further, the release of H + ions from the edge of the layer structure in acidic environments promote the adsorption of heavy metals onto the surfaces interstratified I/M clay soils via electrostatic attraction. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License ( https://creativecommons.org/licenses/by-sa/4.0 ). }, issn = {1978-2993}, pages = {765--785} doi = {10.9767/bcrec.15.3.8773.765-785}, url = {https://journal.bcrec.id/index.php/bcrec/article/view/8773} }
Refworks Citation Data :
The RM (RM stands for the pristine clay) collected from sites in the Naima-Tiaret-Algeria and its purified phase TM (TM stands for the treated clay) were characterized using XRF, XRD, FT−IR, SEM−EDX, and DC electrical conductivity techniques. The as-prepared clays were used as potential adsorbents for the removal of Cu2+ and Zn2+ metals ions. Highly purified clay TM, exhibiting a basal, spacing of 25.83 Å and CEC of 51 meq/100 g, was obtained. The type of interstratified I/M in the studied sites is S=1, based on the calculation method of Watanabe. The percentage of illite type S=1 is between 80−85% illite. The adsorption equilibrium was established in 60 min with the capacities of 28.57 and 24.39 mg/g for Cu2+ onto RM, 32.25 and 4.95 mg/g for Zn2+ in the presence of TM. D-R isotherm model was more suitable with the adsorption process than Freundlich and Langmuir models suggesting the ion exchange nature of the retention mechanism in most cases (E > 8 kJ/mol). Pseudo second-order model best described the kinetics of adsorption process. The adsorption mechanism was mainly monitored by ion exchange mechanism between exchangeable interlayer cations (Na) in the interstratified I/M and Cu2+ or Zn2+ metals from aqueous matrix. Further, the release of H+ ions from the edge of the layer structure in acidic environments promote the adsorption of heavy metals onto the surfaces interstratified I/M clay soils via electrostatic attraction. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
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