[1] | Tan I. A. W, Ahmad A. C, Hameed B. H., (2008). Adsorption of basic dye on high-surface area activated carbon prepared from coconut husk: Equilibrium, kinetic and thermodynamics studied; Journal of Hazardous Materials. 154, 337-346. |
[2] | Visa M., and Chelaru A. M., (2014). Hydrothermal modified fly ash for heavy metals and dyes removal in advanced waste treatment; Applied surface science. 303, 14-22. |
[3] | Wang F., Lu X. and Li X., (2016). Selective removals of heavy metals (Pb2+, Cu2+ and Cd2+) from wastewaters by gelation with alginate for effective metal recovery; Journal of Hazardous Materials. 308, 75-83. |
[4] | Das T., Saikia B. K., and Baruah B. P., (2016). Formation of carbon nano-balls and carbon nano-tubes from northeast India Tertiary coal: Value added products from low grade coal; Gondwana Research, 31, 295-304. |
[5] | Lata, S and Samadder, S. R., (2016). Removal of arsenic from water using nano adsorbents and challenges. Journal of environmental management; 166, 387-406. |
[6] | Bada, S. O and Potgieter-Vermaak, S., (2008). Evaluation and treatment of coal fly ash for adsorption applications; Leornardo electronic journal of practices and technology. 12, 37-48. |
[7] | Kavitha D, Namasivayam C., (2007). Experimental and kinetic studies on methylene blue adsorption by coir pith carbon; Bioresources Technology. 98, 14-21. |
[8] | Bello O. S, Adeogun I. A, Ajaelu J. C and Fehintola E. O., (2008). Adsorption of methylene blue onto activated carbon derived from periwinkle shells: Kinetics and equilibrium studies. Chemistry and ecology. 24, 4, 285-295. |
[9] | Kannan N, Sundaram M. M., (2001). Kinetics and mechanism of removal of methylene blue by adsorption on various carbons; Dyes and pigments. 51, 25-40. |
[10] | Acevedo B, Barriocanal C, Lupul I, Gryglewicz G., (2015). Properties and peroformance of mesoporous activated carbon from scrap tyres, bituminous wastes and coal; Fuel. 83-90. |
[11] | Folens K, Huysman S, Hulle S. V, Laing G. D., (2017). Chemical and economic optimisation of the coagulation flocculation process for silver removal and recovery from industrial waste water; Separation and purification Technology. 179, 145-151. |
[12] | Li W, Yu H, and He Z., (2014). Towards waste water treatment by using microbial fuel cell centered technologies; Energy and Environmental science. 7, 911-924. |
[13] | Fodi T, Diaskalou C, Kupai J, Balogh G. T, Huszthy P, and Szekely G., (2017). Nanofiltration enabledis situ solvent and reagent recycle for sustainable Continuous flow synthesis; ChemSus Chem. 10, 3435-3444. |
[14] | Maneerung T, Hidajat K and Kawi S., (2016). Triple layer catalytic hollow fibre membrane reactor for hydrogen production; Journal of Membrane Science. 514, 1-14. |
[15] | Quist-Jensen C. A, Macedonio F, Horbez D, Drioli E., (2017). Reclamation of sodium sulphate from industrial waste water by using membrane distillation and membrane crystallisation; Desalination. 401, 112 - 119. |
[16] | Bhattacharyya K.G, Sharma A., (2005). Kinetics and thermodynamics of methylene blue adsorption on Neem (Azadirachta indica) leaf powder; Dyes and pigments. 65, 51-59. |
[17] | Zhang J. B, Li S. P, Li H. Q, He M. M., (2016). Acid activation for pre-desilicated high-alumina fly ash; Fuel Processing Technology. 151, 64-71. |
[18] | Fungaro D.A, Bruno M, Grosche L.A., (2009). Adsorption and kinetics studies of methylene blue on zeolite synthesised from fly ash; Desalination and water treatment 2, 231-239. |
[19] | Mittal A., Mittal J., Malviya A., Gupta V.K. J., (2009). Adsorptive removal of hazardous anionic dye ‘‘Congo red” from wastewater using waste materials and recovery by desorption; Journal of Colloid and Interface Science. 340, 16–26. |
[20] | Yao Y, Xu F, Chen M, Xu Z, Zhu Z., (2010). Adsorption behaviour of methylene blue on carbon nanotubes; Bioresource Technology. 101, 3040-3046. |
[21] | Sejie F. P., (2016). Investigation of the kinetics and thermodynamics of methyl orange adsorption from its aqueous solution onto Morupule coal, Lobatse clay and their composites. Msc thesis. University of Botswana, Botswana. |
[22] | Mohammad-Khan and A., Ansari R., (2009). Activated Charcoal: Preparations, characterization and applications; International Journal of ChemTech Research. 1, 4, 860-864. |
[23] | Shahryari Z, Goharrizi A.S and Azadi M., (2010). Experimental study of methylene blue adsorption from aqueous solutions onto carbon nano tubes; International journal of water Resources and Environmental Engineering. 2, 2, 16-28. |
[24] | Zhang J, Dang L, Zhang M, Zhao S, Lao Q., (2017). Micro/nanoscale magnesium silicate with hierarchical structure for removing dyes in water; Materials Letters. 196, 194–197. |
[25] | Mohammadi N, Khani H, Gupta V. K, Agarwal S., (2011). Adsorption process of methyl orange dye onto mesoporous carbon material kinetic and thermodynamic studies; Journal of Colloid and Interface Science. 362, 457-462. |
[26] | Al- Degs Y.S, El-Barghouthi M.I, El- Sheikh A.H, Walker G.M., (2008). Effects of solution pH, Ionic strength and temperature on adsorption behaviour of reactive dyes on activated carbon; Dyes and Pigments. 77, 16-23. |
[27] | Unaye M., (2006). Characterisation and modification of Morupule coal and Gaborone clay for uses as pollutant adsorbent; M Phil thesis. University of Botswana, Botswana. |