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Chemosphere ; 165: 87-93, 2016 Dec.
Article in English | MEDLINE | ID: mdl-27639464

ABSTRACT

Evaluation of modified Algerian clay as mineral adsorbent was done for its adsorbing capacity on copper (Cu) and Zinc (Zn) cations. The results obtained show a rapid kinetic adsorption for both metals (less than 2 h) following the pseudo-second order model with high elimination rates of 67.2 and 61.8% for Cu and Zn respectively. The adsorption isotherms analyzed with Langmuir model revealed a correlation with the experimental values. While the use of obtained chitosan at room temperature, as flocculent coagulant, accelerates the decantation of the colloidal particles in suspension generated after adsorption process.


Subject(s)
Aluminum Silicates/analysis , Bentonite/chemistry , Chitosan/chemistry , Copper/analysis , Water Pollutants, Chemical/analysis , Zinc/analysis , Adsorption , Aluminum Silicates/chemistry , Cations , Clay , Copper/chemistry , Copper/toxicity , Flocculation , Hydrogen-Ion Concentration , Kinetics , Models, Theoretical , Suspensions , Thermodynamics , Water Pollutants, Chemical/chemistry , Water Pollutants, Chemical/toxicity , Water Purification/methods , Zinc/chemistry , Zinc/toxicity
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