Adsorption of Co(Ii) Ion from its Aqueous Solution Using Hydrogel Beads as Adsorbent | Zendy

Amir Dawood | Zendy; Ahmed Saeed | Zendy; Sara Abed | Zendy

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Adsorption of Co(Ii) Ion from its Aqueous Solution Using Hydrogel Beads as Adsorbent

Author(s) -

Amir Dawood,

Ahmed Saeed,

Sara Abed

Publication year - 2017

Publication title -

diyala journal for pure science

Language(s) - English

Resource type - Journals

eISSN - 2518-9255

pISSN - 2222-8373

DOI - 10.24237/djps.1303.296c

Subject(s) - adsorption , aqueous solution , chemical engineering , ion , chromatography , chemistry , materials science , organic chemistry , engineering

In this study one of the super absorbent hydrogel beads was used for adsorb Co(II) ion from aqueous solution. The adsorption capacity of the adsorbent is presented and the time required to reach a maximum capacity of bead (112.5 mg/g) form Co (II) ion was about 24 hr. The initial concentration, temperature, time and pH effect on adsorption process were studied. The experimental data have been analyzed using the Langmuir ,Freundlich, Dubinin and Temkin. The Langmuir isotherm model gave the highest R value of 0.9998. The thermodynamic parameters were studied and calculated. First-order and secondorder kinetic models were used and it is shown that the experimental data was in reliable compliance with the firstorder model with R value of 0.992 .

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