Removal of Eriochrome Black T dye from aqueous solutions by using nano-crystalline calcium phosphate tricalcic apatitic
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| 1. | Title | Title of document | Removal of Eriochrome Black T dye from aqueous solutions by using nano-crystalline calcium phosphate tricalcic apatitic |
| 2. | Creator | Author's name, affiliation, country | J. Kouar; Laboratory of Process Engineering and Environment (LIPE), High School of Technology of Casablanca, Hassan II University of Casablanca, Morocco Faculty of Sciences Ain Chock Hassan II University ,Casablanca; Morocco |
| 2. | Creator | Author's name, affiliation, country | T. Ould Bellahcen; Laboratory Health and Environment, Faculty of Science Aïn Chock of Casablanca, Hassan II University of Casablanca, Morocco; Morocco |
| 2. | Creator | Author's name, affiliation, country | A. Elamrani; Laboratory Synthesis, Extraction and Physico-Chemical Study of Organic Molecules, Faculty of Sciences Aïn Chock of Casablanca, Hassan II University of Casablanca, Morocco; Morocco |
| 2. | Creator | Author's name, affiliation, country | A. Cherif; Laboratory of Materials Engineering for Environment and Valorisation (GEMEV), Faculty of Sciences Aïn Chock of Casablanca, Hassan II University of Casablanca, Morocco; Morocco |
| 2. | Creator | Author's name, affiliation, country | N. Kamil; Laboratory of Production Mechanics and Industrial Engineering (LMPGI), High School of Technology of Casablanca, Hassan II University of Casablanca, Morocco; Morocco |
| 3. | Subject | Discipline(s) | |
| 3. | Subject | Keyword(s) | Adsorption; kinetic; Isotherms; calcium phosphate tricalcic apatitic (CaPT-Ap); Eriochrome Black T (EBT); decolourization |
| 4. | Description | Abstract | Calcium phosphate tricalcic apatitic (CaPT-Ap) was synthesized by co-precipitation at low temperature and basic medium. The potential of CaPT-Ap as an adsorbent was investigated in a batch reactor under different experimental conditions for removing dye Eriochrome Black T (EBT) from aqueous solutions. The used adsorbent was characterized by X-ray diffraction (XRD), infrared spectroscopy (FTIR) and chemical analysis indicate that this calcium phosphate is a CaPT-Ap. The effect of particle sizes , mass of the adsorbent, contact time ,temperature and the concentration of the dye on the adsorption were determined. The kinetic study showed that the pseudo-second-order model gives a better description of the kinetics of the adsorption reaction than the pseudo-first-order model. Analysis of adsorption isotherms showed that adsorption governed by the isotherms of Freundlich. Thermodynamic parameters such as ΔG°, ΔS° and ΔH° were calculated. It was found that EBT dye adsorption was spontaneous and endothermic. |
| 5. | Publisher | Organizing agency, location | |
| 6. | Contributor | Sponsor(s) | |
| 7. | Date | (YYYY-MM-DD) | 03-12-2021 |
| 8. | Type | Status & genre | Peer-reviewed Article |
| 8. | Type | Type | |
| 9. | Format | File format | |
| 10. | Identifier | Uniform Resource Identifier | https://revues.imist.ma/index.php/morjchem/article/view/26577 |
| 10. | Identifier | Digital Object Identifier (DOI) | https://doi.org/10.48317/IMIST.PRSM/morjchem-v9i3.26577 |
| 11. | Source | Title; vol., no. (year) | Moroccan Journal of Chemistry; Vol 9, No 4 (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 |
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