Biosorption of heavy metals (Copper, Nickel) and dye (Methylene Bleu) from aqueous solution onto southern Algerian carob shells
| Autor: | Bensafiddine, F., Benalia, M., Hadj Seyd, A., Djedid, M., Ad, C., Baba Amar, Z., Elmsellem, H. |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| DOI: | 10.48317/imist.prsm/morjchem-v8i3.21217 |
| Popis: | A raw carob shells was used as biosorbent for removal of copper, nickel and methylene blue from aqueous solution. The adsorbent was characterized by thermal gravimetric analysis (TGA), The Brunauer-Emmett-Teller (BET) surface area, and the point of zero charge (pHPZC). Biosorption experiments were carried out as function of solution pH, biosorbent dosage, contact time and initial ions concentration. Experimental results show that maximum biosorption capacity of 4.0, 3.91 and 13.17, mg/g for Cu (II), Ni (II) and MB respectively, occurred at an initial concentration of 100 mg/L, and temperature of 20 °C. Kinetic data were best fitted with pseudo-second-order. Biosorption isotherms were best correlated with Langmuir model for MB and Freundlich model for Cu (II) and Ni (II). Moroccan Journal of Chemistry, Vol. 8, No 3 (2020) |
| Databáze: | OpenAIRE |
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