Application of Adsorption Thermodynamics and Column Studies for Pb2+, Cd2+ and Mn2+ Ions Removal in Multicomponents Model Solution Using Low-Cost Bentonite Clay Adsorbent
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Published:
May 17, 2023
Keywords:
Uptake, toxic metals, clay, column, bentonite
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Abstract
The presence of heavy metal contaminants in wastewater effluents has become a great threat to living creatures and the environment. In this study, the application of thermodynamics and column studies for Pb2+, Cd2+ and Mn2+ metal ions removal in multicomponent aqueous solution using low-cost bentonite clay was investigated. Evaluation of enthalpy (∆Ho), entropy (∆So) and Gibbs free energy (∆Go) revealed that heavy metals adsorption was endothermic and spontaneous as temperature increased from 30 to 65 oC. The column performance was determined at 0.05m adsorbent bed depth, 0.023 and 0.04 mL/s flow rates. The influent concentration was 10 and 50 ppm while the breakthrough time was between 0.83 and 8 hr. The maximum uptake of metal ions was 2.2 mg/g for Pb(II), Mn(II) was 0.4 mg/g and 1.7 mg/g for Cd(II). The result showed the potential of bentonite clay as a candidate for toxic metal ions adsorption in wastewater.
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Jock, A., & OLUWADAYO, F. (2023). Application of Adsorption Thermodynamics and Column Studies for Pb2+, Cd2+ and Mn2+ Ions Removal in Multicomponents Model Solution Using Low-Cost Bentonite Clay Adsorbent. ABUAD Journal of Engineering Research and Development, 6(1), 44-50. https://doi.org/10.53982/ajerd.2023.0601.06-j
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References
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[4] Pandey, S. & Ramontja, J. (2016). Natural bentonite clay and its composites for dye removal: current state and future potential. American Journal of Chemistry and Applications, 3(2), 8–19.
[5] Khader, H.E., Mohammed, J.T., Mirghaffari, N., Salman, D.A., Juzsakova, T. & Abdullah, A.T. (2021). Removal of organic pollutants from produced water by batch adsorption treatment. Clean Technologies and Environmental, 24, 713–720
[6] Jock, A. A., Atuman, S. J., Olumide, O. O., Zang, U. C., Ayuba, S. M. & Wakili, T. P. (2021). Development of activated carbon from sawdust by pyrolysis and methylene blue adsorption. Int J Chem Reactor Eng; 19(5), 1–9.
[7] Pandey, S. (2017). A Comprehensive review on recent developments in bentonite-based materials used as adsorbents for wastewater treatment. Journal of Molecular Liquids, 241, 1091–1113.
[8] Jock, A.A., Okon, N.A.,Offor, H.U.,Thomas, F. & Agbanaje, O.E. (2020). Adsorption of nickel ions from petroleum wastewater onto calcined kaolin clay: isotherm, kinetic and thermodynamic studies. Hungarian Journal of Industry and Chemistry, 48(2): 45–49.
[9] USDA, (2014). Soil Survey Laboratory Methods Manual – Soil survey investigations report No. 42, Version 5. United States Department of Agriculture, Nebraska.
[10] Jock, A. A., Muhammad, A. A. Z., Abdulsalam, S., El-Nafaty, U. A. & Aroke, U. O. (2018). Isotherm studies of lead (ii), manganese (ii) and cadmium (ii) adsorption by nigerian bentonite clay in single and multimetal solutions, Particulate Science and Technology, 37(1), 1–11.
[11] Tomczak, E. & Kaminski, W. (2021). Dynamics modeling of multicomponent metal iions’ removal onto low cost buckwheat hulls. Environmental Science and Pollution Research, 28, 46504–46513.
[12] Renu, B., Madhu A., Kailash, S., Ragini, G. & Dohare, R. K. (2020). Continuous fixed-bed adsorption of heavy metals using biodegradable adsorbent: modeling and experimental study. Journal of Environmental Engineering, 146 (2), 1-15.
[13] Araujo, A. L. P., Bertagnolli, C., Silver, M. G. C., Gimenes, M. L. & Barros, M. A. S. (2013). Zinc adsorption in bentonite clay: influence of ph and initial concentration. Acta Scientiarum Technology, 35(2), 325–332.
[14] Bertagnolli, C., Kleinubing, S. J. & Silver, M. G. C. (2011). Preparation and characterization of a Brazilian bentonite clay for removal of copper in porous beds. Applied Clay Science ,53, 73-79.
[15] Murray, H. H. (2007). Applied clay mineralogy: ocurrences, processing and applicationof kaolins, bentonites, palygorskite-sepiolite, and common clays. Elsevier, Amsterdam, 2, 10-56.
[16] Akpomie, K.G, Dawodu, F.A. & Adebowale, K.O. (2015). Mechanism on the sorption of heavy metals from binary solution by a low cost montmorillonite and its desorption potential. Alexandria Engineering Journal, 54,757–767.
[17] Djafer, A., Moustefai, K.S., Idou, A. & Douani, M. (2013). Batch and continuous packed column studies biosorption by yeast supported onto granular pozzolana International Journal of Environmental, Chemical, Ecological, Geological and Geophysical Engineering, 7(10), 665-671.
[18] Khalir, W.K.A.W.M., Hanafiah, M.A.K.M., Soad, S.Z.M., Ngah, W.S.W. & Majid, Z.A.A. (2012). Batch, column and thermodynamic of pb(II) adsorption on xanthated rubber (heavy brasiliensis) leave powder. Journal of Applied sciences, 12(11),1142-1147.
[19] Futalan, C.M., Tsai, W.C. Lin, S.S., Dalida, M.L. & Wan, M.W. (2012). Copper, nickel and lead adsorption from aqueous solution using chitosan-immobilized on bentonite in a ternary system. Sustainable Environment Research, 22(6), 345-355.
[20] Vhahangwele, M. & Mugara, G. W. (2015). The potential of ball milled south African bentonite clay for attenuation of heavy metals from acidic wastewater: simultaneous sorption of Co2+, Cu2+, Ni2+, Pb2+ and Zn2+ ions. J. Environ. Chem. Eng. 3, 2416–2425.