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Vol. 29 No. 10 (2017): Vol 29 Issue 10

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Removal of Arsenic(III) from Aqueous Solutions by Adsorption onto Fly Ash

https://doi.org/10.14233/ajchem.2017.20708
Olushola S. Ayanda
Department of Chemistry, Vaal University of Technology, Vanderbijlpark 1900, South Africa; Nanoscience Research, Department of Industrial Chemistry, Federal University Oye Ekiti, P.M.B 373, Oye Ekiti, Ekiti State, Nigeria
Dosu Malomo
Nanoscience Research, Department of Industrial Chemistry, Federal University Oye Ekiti, P.M.B 373, Oye Ekiti, Ekiti State, Nigeria
Oyebamiji Oyedele Oketayo
Department of Physics, Federal University Oye Ekiti, P.M.B 373, Oye Ekiti, Ekiti State, Nigeria
Simphiwe M. Nelana
Department of Chemistry, Vaal University of Technology, Vanderbijlpark 1900, South Africa
Eliazer B. Naidoo
Department of Chemistry, Vaal University of Technology, Vanderbijlpark 1900, South Africa

Corresponding Author(s) : Olushola S. Ayanda

osayanda@gmail.com

Asian Journal of Chemistry, Vol. 29 No. 10 (2017): Vol 29 Issue 10

Abstract

In this work, the ability of fly ash in removing arsenic(III) ions from aqueous solution was considered. The effect of contact time, initial As(III) concentration, fly ash dosage, stirring speed, solution pH and temperature was investigated on the adsorption rate. Experimental studies showed that the adsorption fitted well the pseudo-second order kinetic, while the equilibrium study showed that the sorption of As(III) ions onto fly ash fitted the Langmuir and Freundlich isotherms. The adsorption process is endothermic and spontaneous. Moreover, the maximum percentage removal of As(III) achieved with approx. 2.5 g fly ash mixed with 25 mL of 100 mg/L As(III) solution was 65.4 % at pH 10, 60 min contact time, temperature of 353 K and a stirring speed of 120 rpm.

Keywords

Arsenic Fly ash Kinetics Isotherm Thermodynamics
Ayanda, O. S., Malomo, D., Oketayo, O. O., Nelana, S. M., & Naidoo, E. B. (2017). Removal of Arsenic(III) from Aqueous Solutions by Adsorption onto Fly Ash. Asian Journal of Chemistry, 29(10), 2227–2231. https://doi.org/10.14233/ajchem.2017.20708
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References
  1. M. Mosaferi, S. Nemati, A. Khataee, S. Nasseri and A.A. Hashemi, J. Environ. Health Sci. Eng., 12, 74 (2014); https://doi.org/10.1186/2052-336X-12-74.
  2. S. Luther, N. Borgfeld, J. Kim and J.P. Parsons, Microchem. J., 101, 30 (2012); https://doi.org/10.1016/j.microc.2011.10.001.
  3. M.H. Kalavathy, T. Karthikeyan, S. Rajgopal and L.R. Miranda, J. Colloid Interf. Sci., 292, 354 (2005); https://doi.org/10.1016/j.jcis.2005.05.087.
  4. L. Zeng, Water Qual. Res. J. Canada, 39, 267 (2004).
  5. K.B. Payne and T.M. Abdel-Fattah, J. Environ. Sci. Health, 40, 723 (2005); https://doi.org/10.1081/ESE-200048254.
  6. G. Liu and H. Zhang, The Adsorption of Arsenic on Magnetic Iron-Manganese Oxide in Aqueous Medium, Proceedings of the International Multi-Conference of Engineers and Computer Scientists 2008, vol II, IMECS 2008, Hong Kong (2008).
  7. S. Ananta, B. Saumen and V. Vijay, Int. Res. J. Environ. Sci., 4, 64 (2015).
  8. S.C. Chang, Y.H. Yu, C.H. Li, C.C. Wu and H.Y. Lei, Int. J. Environ. Res. Public Health, 9, 3711 (2012); https://doi.org/10.3390/ijerph9103711.
  9. K.O. Adebowale, I.E. Unuabonah and B.I. Olu-Owolabi, Appl. Clay Sci.,29, 145 (2005); https://doi.org/10.1016/j.clay.2004.10.003.
  10. Y. Sarita, D.K. Tyagi and O.P. Yadav, Int. J. Chemtech Res., 2, 59 (2011).
  11. Y.S. Ho and G. McKay, Adsorpt. Sci. Technol., 20, 797 (2002); https://doi.org/10.1260/026361702321104282.
  12. S. Laohaprapanon, M. Marques and W. Hogland, Clean Soil Air Water, 38, 1055 (2010); https://doi.org/10.1002/clen.201000105.
  13. O.S. Ayanda, O. Adeyi, B. Durojaiye and O. Olafisoye, Pol. J. Environ. Stud., 21, 1147 (2012).
  14. S. Basha and Z.V.P. Murthy, Process Biochem., 42, 1521 (2007); https://doi.org/10.1016/j.procbio.2007.08.004.
  15. S.A. Olushola, S.F. Olalekan, A.A. Folahan, F.P. Leslie and B.J. Ximba, Water S.A., 40, 659 (2014); https://doi.org/10.4314/wsa.v40i4.11.
  16. J. Luo, H. Shen, H. Markström, Z. Wang and Q. Niu, J. Miner. Mater. Charact. Eng., 10, 561 (2011); https://doi.org/10.4236/jmmce.2011.106043.
  17. Z. Eren and F.N. Acar, J. Hazard. Mater., 143, 226 (2007); https://doi.org/10.1016/j.jhazmat.2006.09.017.
  18. O.S. Ayanda, C.O. Akintayo, N.L. Mthembu, F.C.A. Emmanuel and B.J. Ximba, Res. J. Chem. Environ., 20, 44 (2016).
  19. O.S. Ayanda, O.S. Fatoki, F.A. Adekola and B.J. Ximba, E-J. Chem., 9, 1788 (2012); https://doi.org/10.1155/2012/451801.
  20. Y. Jeong, The Adsorption of Arsenic (V) by Iron (Fe2O3) and Aluminum (Al2O3) Oxides, Retrospective Theses and Dissertations, Iowa State University, Paper 1743, p. 1 (2005).
  21. S. Yao, Z. Liu and Z. Shi, J. Environ. Health Sci. Eng., 12, 58 (2014); https://doi.org/10.1186/2052-336X-12-58.
  22. R.C. Vaishya and S.K. Gupta, J. Chem. Technol. Biotechnol., 78, 73 (2003); https://doi.org/10.1002/jctb.745.
  23. K. Shugi, T.S. Singh and K.K. Pant, Indian J. Environ. Health, 45, 151 (2003).
  24. S. Yean, L. Cong, A. Kan, V. Colvin and M. Tomson, Sorption/Desorption of Arsenic to Magnetite Nanoparticles, 229th ACS National Meeting, San Diego, CA, United States (2005).
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