1. Ayanda, O.S., S.M. Nelana, L.F. Petrik and E.B. Naidoo, 2018. Kinetic study of ultrasound degradation of 2,2-bis(4-hydroxyphenyl)propane assisted by nFe/TiO₂ composite. J. Adv. Oxid. Technol., 21: 170-177.
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2. Shaibu, S.E., F.A. Adekola, H.I. Adegoke and O.S. Ayanda, 2017. Kinetic and adsorption studies of a thiazine and triarylmethane dye onto bamboo impregnated nanoscale manganese. Int. J. Nanotechnol. Med. Eng., 2: 156-162.
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3. Oketayo, O.O., A.O. Adeoye, A.E. Adegoke, O.T. Oluwatobi, O.S. Ayanda, O.J. Agbolade and S. Nelana, 2017. Levels and field accumulation risk of heavy metals in vegetables from metal recycling companies. Res. J. Environ. Sci., 11: 94-100.
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4. Lawal, O.S., O.S. Ayanda, O.O. Rabiu and K.O. Adebowale, 2017. Application of black walnut (Juglans nigra) husk for the removal of lead (II) ion from aqueous solution. Water Sci. Technol., 75: 2454-2464.
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5. Ayanda, O.S., S.M. Nelana, L.F. Petrik and E.B. Naidoo, 2017. Nano-TiO₂, ultrasound and sequential nano-TiO₂/ultrasonic degradation of N-acetyl-para-aminophenol from aqueous solution. J. Water Health, 15: 1015-1027.
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6. Ayanda, O.S., E.A. Odo, D. Malomo, K.O. Sodeinde and O.S. Lawal et al., 2017. Accelerated decolorization of Congo red by powdered termite mound. CLEAN-Soil Air Water, Vol. 45, No. 12. 10.1002/clen.201700537.
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7. Ayanda, O.S., D. Malomo, O.O. Oketayo, S.M. Nelana and E.B. Naidoo, 2017. Removal of arsenic(III) from aqueous solutions by adsorption onto fly ash. Asian J. Chem., 29: 2227-2231.
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8. Ayanda, O.S., D. Malomo, K.O. Sodeinde, O.O. Oketayo and O.N. Abdulazeez, 2017. Isotherm, kinetics and thermodynamics of arsenic(III) adsorption onto activated carbon. J. Environ. Biotechnol. Res., 6: 179-185.
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9. Ajaelu, C.J., M.O. Dawodu, E.O. Faboro and O.S. Ayanda, 2017. Copper biosorption by untreated and citric acid modified Senna alata leaf biomass in a batch system: Kinetics, equilibrium and thermodynamics studies. Phys. Chem., 7: 31-41.
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10. Olutona, G.O., E.O. Akindele and O.S. Ayanda, 2016. Sediment-associated trace and major metals in the headwaters of a tropical reservoir. Chem. Ecol., 32: 624-637.
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11. Ayanda, O.S., G.O. Olutona, E.G. Olumayede, C.O. Akintayo and B.J. Ximba, 2016. Phenols, flame retardants and phthalates in water and wastewater-a global problem. Water Sci. Technol., 74: 1025-1038.
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12. Ayanda, O.S., C.O. Akintayo, N.L. Mthembu, F.C. Emmanuel and B.J. Ximba, 2016. A comparative study of the kinetics, equilibrium and thermodynamics of the adsorption of Pb(II) ions onto activated carbon and fly ash from aqueous solution. Res. J. Chem. Environ., 20: 44-54.
13. Ayanda, O.S., O.S. Fatoki, F.A. Adekola, B.J. Ximba, O.S. Akinsoji and L.F. Petrik, 2015. Coal fly ash supported nZnO for the sorption of triphenyltin chloride. Arch. Environ. Protect., 41: 59-71.
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14. Ayanda, O.S., O.S. Fatoki, F.A. Adekola, B.J. Ximba and L.F. Petrik, 2015. Kinetics, isotherm and thermodynamics of tributyltin removal by adsorption onto activated carbon, silica and composite material of silica and activated carbon. Desalin. Water Treat., 53: 1361-1370.
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15. Ayanda, O.S., 2015. Occurrence, analysis, toxicity and treatment processes of pharmaceutically active compounds and hormones in water and wastewater: A review. Int. J. Environ. Sci., 6: 56-67.
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16. Amodu, O.S., T.V. Ojumu, S.K. Ntwampe and O.S. Ayanda, 2015. Rapid adsorption of crystal violet onto magnetic zeolite synthesized from fly ash and magnetite nanoparticles. J. Encapsulation Adsorpt. Sci., 5: 191-203.
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17. Shaibu, S.E., F.A. Adekola, H.I. Adegoke and O.S. Ayanda, 2014. A comparative study of the adsorption of methylene blue onto synthesized nanoscale zero-valent iron-bamboo and manganese-bamboo composites. Materials, 7: 4493-4507.
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18. Olushola, S.A., S.F. Olalekan, A.A. Folahan, F.P. Leslie and B.J. Ximba, 2014. Application of nano zinc oxide (nZnO) for the removal of triphenyltin chloride (TPT) from dockyard wastewater. Water SA, 40: 659-664.
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19. Fatoki, O.S., O.S. Ayanda, F.A. Adekola and B.J. Ximba, 2014. Sorption of triphenyltin chloride to nFe₃O₄, fly ash and nFe₃O₄/fly ash composite material in seawater. Clean-Soil Air Water, 42: 472-479.
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20. Baba, A.A., L. Ibrahim, F.A. Adekola, R.B. Bale and M.K. Ghosh et al., 2014. Hydrometallurgical processing of manganese ores: A review. J. Miner. Mater. Characteriz. Eng., 2: 230-247.
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21. Ayanda, O.S., O.S. Fatoki, F.A. Adekola, E. Suana and B.J. Ximba, 2014. Comparative performance evaluation of activated carbon and fly ash/activated carbon composite for triphenyltin chloride removal by adsorption. Int. J. Nano Corrosion Sci. Eng., 1: 12-23.
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22. Ayanda, O.S., O.S. Fatoki, F.A. Adekola, B.J. Ximba, J.O. Tijani and L.F. Petrik, 2014. A comparative study of the physico-chemical properties and methylene blue adsorption behaviour of fly ash, nano-oxides and the composite materials of nano-oxides and fly ash. Int. J. Chem. Mater. Res., 2: 148-165.
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23. Ayanda, O.S., N.L. Mthembu, O.U. Oputu, O.S. Akinsoji, M.L.T.L. Bissa and S. Le Roux, 2014. Remediation of cadmium (II) from simulated seawater: Kinetics, equilibrium and thermodynamic studies. Chem. Sci. Rev. Lett., 3: 183-193.
24. Ayanda, O.S., 2014. Occurrence, fate and treatment methods of polycyclic aromatic hydrocarbons, polychlorinated biphenyls, dioxins and furans: A mini review. Res. Rev.: J. Mater. Sci., 2: 14-21.
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25. Ayanda, O.S., 2014. Agrochemicals and personal care products: Occurrence, effects, analytical determination and treatment processes. Rev. Environ. Earth Sci., 1: 62-76.
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26. Ayanda, O.S. and L.F. Petrik, 2014. Nanotechnology: The breakthrough in water and wastewater treatment. Int. J. Chem. Mater. Environ. Res., 1: 1-2.
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27. Fatoki, O.S., O.S. Akinsoji, B.J. Ximba, O. Olujimi and O.S. Ayanda, 2013. Arsenic contamination: Africa the missing gap. Asian J. Chem., 25: 9263-9268.
28. Ayanda, O.S., O.S. Fatoki, F.A. Adekola and B.J. Ximba, 2013. Utilization of nSiO₂, fly ash and nSiO₂/fly ash composite for the remediation of triphenyltin (TPT) from contaminated seawater. Environ. Sci. Pollut. Res., 20: 8172-8181.
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29. Ayanda, O.S., O.S. Fatoki, F.A. Adekola and B.J. Ximba, 2013. Removal of tributyltin from shipyard process wastewater by fly ash, activated carbon and fly ash/activated carbon composite: Adsorption models and kinetics. J. Chem. Technol. Biotechnol., 88: 2201-2208.
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30. Ayanda, O.S., O.S. Fatoki, F.A. Adekola and B.J. Ximba, 2013. Remediation of tributyltin contaminated seawater by adsorption using nFe₃O₄, activated carbon and nFe₃O₄/activated carbon composite material. Water Air Soil Pollut., Vol. 224, No. 9. 10.1007/s11270-013-1684-0.
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31. Ayanda, O.S., O.S. Fatoki, F.A. Adekola and B.J. Ximba, 2013. Kinetics and equilibrium models for the sorption of tributyltin to nZnO, activated carbon and nZnO/activated carbon composite in artificial seawater. Mar. Pollut. Bull., 72: 222-230.
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32. Ayanda, O.S., F.A. Adekola, A.A. Baba, B.J. Ximba and O.S. Fatoki, 2013. Application of Cyanex^® extractant in cobalt/nickel separation process by solvent extraction. Int. J. Phys. Sci., 8: 89-97.
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33. Adeyi, O., O.S. Ayanda, G.O. Olutona and O. Ganiyu, 2013. Adsorption kinetics and intraparticulate diffusivity of aniline blue dye onto activated plantain peels carbon. Chem. Sci. Trans., 2: 294-300.
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34. Sunday, A.O., B.A. Alafara and O.G. Oladele, 2012. Toxicity and speciation analysis of organotin compounds. Chem. Speciation Bioavail., 24: 216-226.
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35. Fatoki, O.S., O.S. Ayanda, F.A. Adekola, B.J. Ximba and B.O. Opeolu, 2012. Preparation and characterization of activated carbon-nFe₃O₄, activated carbon-nSiO₂ and activated carbon-nZnO hybrid materials. Particle Particle Syst. Charact., 29: 178-191.
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36. Baba, A.A., K.I. Ayinla, F.A. Adekola, M.K. Ghosh and O.S. Ayanda et al., 2012. A review on novel techniques for chalcopyrite ore processing. Int. J. Mining Eng. Miner. Process., 1: 1-16.
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37. Ayanda, O.S., O.S. Fatoki, F.A. Adekola and B.J. Ximba, 2012. Fate and remediation of organotin compounds in seawaters and soils. Chem. Sci. Trans., 1: 470-481.
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38. Ayanda, O.S., O.S. Fatoki, F.A. Adekola and B.J. Ximba, 2012. Characterization of fly ash generated from Matla power station in Mpumalanga, South Africa. e-J. Chem., 9: 1788-1795.
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39. Ayanda, O.S., O.S. Fatoki, F.A. Adekola and B.J. Ximba, 2012. Activated carbon-fly ash-nanometal oxide composite materials: Preparation, characterization and tributyltin removal efficiency. J. Chem., Vol. 2013. 10.1155/2013/148129.
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40. Ayanda, O.S., O. Adeyi, B. Durojaiye and O. Olafisoye, 2012. Adsorption kinetics and intraparticulate diffusivities of Congo red onto kola nut pod carbon. Pol. J. Environ. Stud., 21: 1147-1152.
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41. Ayanda, O.S., F.A. Adekola and O.S. Fatoki, 2012. Dissolution kinetics of columbite in nitric acid. Asian J. Chem., 24: 1087-1090.
42. Ayanda, O.S., A.A. Baba and O.T. Ayanda, 2012. Use of mobile phones and cancer risk. Asian Pac. J. Cancer Prev., 13: 403-406.
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43. Ayanda, O.S. and F.A. Adekola, 2012. Leaching of a Nigerian columbite in hydrochloric acid: Dissolution kinetics. Int. J. Metall. Eng., 1: 35-39.
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44. Ayanda, O.S., F.A. Adekola, A.A. Baba, O.S. Fatoki and B.J. Ximba, 2011. Comparative study of the kinetics of dissolution of laterite in some acidic media. J. Miner. Mater. Charact. Eng., 10: 1457-1472.
45. Ayanda, O.S. and O.S. Akinsoji, 2011. Biological wastewater treatment: Microbiology, chemistry and diversity measurement of ammonia oxidizing bacteria. Afr. J. Microbiol. Res., 5: 5831-5840.
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46. Ayanda, O.S. and F.A. Adekola, 2011. Comparison of some physicochemical characterisation of columbite and tantalite samples from different locations in Nigeria. Chem. Sustain. Dev., 19: 243-247.
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47. Ayanda, O.S. and F.A. Adekola, 2011. A review of niobium-tantalum separation in hydrometallurgy. J. Miner. Mater. Charact. Eng., 10: 245-256.
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48. Ayanda, O.S., O.T. Ayanda and F.B. Adebayo, 2010. Intestinal nematodes: A review. Pac. J. Sci. Technol., 11: 466-477.
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49. Adekola, F.A., A.A. Baba and O.S. Ayanda, 2010. Solvent extraction of cobalt and nickel from Nigerian lateritic soil. J. Chem. Soc. Niger., 35: 123-128.
50. Adekola, F.A., A.A. Baba and O.S. Ayanda, 2010. A study of the kinetics of dissolution of a Nigerian laterite in sulfuric acid. Pac. J. Sci. Technol., 11: 373-382.