Effect of pH on Adsorption of Cr(III) and Cr(VI) by zeolite A (from Fly Ash) Modified Surfactant HDTMA
Keywords:
pH effect, chrome adsorption, surfactant modified zeolite A, fly ash
Abstract
Adsorption of Cr(III) and Cr(VI) in aqueous solution by the zeolite A from coal fly ash modified hexadecyltrimethylammonium bromide (HDTMAB) at various pH conditions has been carried out. Zeolite A was synthesized from fly ash through modified alkaline fusion hydrothermal process in a reactor stainless steel. The surface modification was performed using cationic surfactant HDTMAB twice as much as the cationic exchange capacity of the elite A resulted. The surfactant modified zeolite A was then applied to adsorption the metal ion chromium as Cr(III) and Cr(VI) in aqueous solution. The results showed that the acidity (pH) of adsorption conditions, affect the ability of adsorption surfactant modified zeolite A (SMZA) to Cr(III) and Cr(VI) in aqueous solution. The optimum pH conditions for the adsorption of Cr(III) and Cr(VI) on SMZA exist at pH 6. Surfactant modified zeolite A capable to adsorb either cation Cr(III) or anion Cr(VI). Adsorption of SMZA on Cr(III) increased from 36.30% to 97.04% with the increase the acidity of pH of 2 to 6. Adsorption SMZA to Cr(VI) is lower than the adsorption of the Cr3+, adsorption increasing from 19.63 to 64.07% with increase pH of 2 to 6Downloads
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References
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Bowman, R.S., 2003, Review applications of surfactant-modified zeolites to environmental remediation, Micro porous Mesoporous Mater., 61, 43-56.Retrieved from www.sciencedirect.com/.../S1387181103003548
Breck, D.W., 1974, Zeolites molecular sieves: structure, chemistry, and use, John Wiley & Sons, New York.
Gajghate D.G., Saxena E.R. dan Aggarwal A.L, 1992, Removal of chromium(vi) as chromium diphenyl carbazide (cdc) complex from aqueous solution by activated carbon, J. Water, Air and Soil Pollution , 65 : 329 – 337.Retrieved fromhttp://link.springer.com/article/10.1007% 2FBF00479896
Kumar, P., Jadhav, P. D., Rayalu S. S. and Devotta, S., 2007, Surface-modified zeolite-A for sequestration of arsenic and chromium anions, Research Communication Current Sci., 92, 4, 512-517.Retrieved from http://www.neeri.res.in/neeri/journal_attachement/2007_Surface-modified_zeolite-A_Anions_As_Cr.pdf
Neupane, G. and Donahoe, R.J., 2009, Potential use of surfactantmodified zeolite for attenuation of trace element in fly ash leachate, World of Coal Ash (WOCA) Conference , May 2-7, Lexington, KY, USA.Retrieved from http://www.flyash.info/
Seliman, A.F. and Borai, E.H., 2011, Utilization of natural chabazite and mordenite as a reactive barrier for immobilization of hazardous heavy metals, Environ. Sciense.Pollution. Research International, 18, 1098 - 1107.DOI: 10.1007/s11356-011-0459-7
Sikaily, A.E., Nemr, A.E., Khaled, A. and Abdelwehab, O., 2007, Removal of toxic chromium from wastewater using green alga ulva lactuca and its activated carbon, J. Hazard.Mater., 148, 216-228.DOI: 10.1016/j.jhazmat.2007.01.146
Swarnakar, V., Agrawal, N. and Tomar, R., 2011, Sorption of Cr(VI) & As(V) on HDTMA-Modified Zeolites, Int. J.Sci & Eng. Research, 2,5, 1-9. Retrieved from http://www.ijser.org
Takashi, M., 2008, Adsorption of trivalent chromium in aqueous solution using natural zeolite, Extended Abstract, Bachelor Thesis, Department of International Development Engineering, Tokyo Institute of Technology. Retrieved from www.ide.titech.ac.jp/~regashir/...thesis/b_mio.pdf
Published
2016-10-31
How to Cite
Jumaeri, J., Santosa, J., Sutarno, S., & Kusumastuti, E. (2016). Effect of pH on Adsorption of Cr(III) and Cr(VI) by zeolite A (from Fly Ash) Modified Surfactant HDTMA. Indonesian Journal of Physics and Nuclear Applications, 1(3), 145-150. https://doi.org/10.24246/ijpna.v1i3.145-150
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Indonesian Journal of Physics and Nuclear Applications is licensed under a Creative Commons Attribution 4.0 International License.
