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Biosorption of Co (II) ions from aqueous solutions using selected local Luffa Cylindrica: Adsorption and characterization studies


 
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1. Title Title of document Biosorption of Co (II) ions from aqueous solutions using selected local Luffa Cylindrica: Adsorption and characterization studies
 
2. Creator Author's name, affiliation, country A. Bouzidi , M. Djedid , C. Ad, M. Benalia, B.Hafez, H. Elmsellem.; applied organic chemistry; Algeria
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) articlebouzdi1
 
4. Description Abstract

The present study is concerned with the removal of Cobalt (II) from aqueous solution by adsorption onto low cost adsorbent. Luffa Cylindrica as adsorbent, (LC) was investigated in batch adsorption system. LC was characterized by Scanning Electron Microscopy (SEM) and Brunauer-Emmett-Teller (BET) surface area analyzer. The sorption of Co (II) ions by LC was subjected to equilibrium, thermodynamics and kinetic studies and was carried out by considering the effects of pH, effect of masse and particles size of the biosorbent, initial metal ions concentration, contact time and temperature. BET surface area of LC was 46.396 m2/g. The optimum conditions for maximum adsorption were attained at pH 6 and LC mass is 1.5 g with particle size is < 0.08 mm and contact time is 60 min. The pseudo-second-order rate equation described the Kinetic data well. The process is chemisorptive and controlled by the pseudo-second-order. Adsorption parameters were determined using both Langmuir and Freundlich isotherms, but the experimental data were better fitted to the Langmuir equation than to Freundlich equation, with correlation coefficients above 0.99 which indicates the adsorption is monolayer adsorption with maximum adsorption capacity for Co(II) was 2.53 mg/g.
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 14-02-2021
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/morjchem/article/view/23215
 
10. Identifier Digital Object Identifier (DOI) https://doi.org/10.48317/IMIST.PRSM/morjchem-v9i1.23215
 
11. Source Title; vol., no. (year) Moroccan Journal of Chemistry; Vol 9, No 1 (2021)
 
12. Language English=en en
 
13. Relation Supp. Files
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c) 2020 Moroccan Journal of Chemistry