Copyright (c) 2018 AJC
This work is licensed under a Creative Commons Attribution 4.0 International License.
Separation and Determination of Cadmium(II) in Wastewater by Bisolvent of Ester and Ionic Liquid Flotation System
Corresponding Author(s) : Yanmin Hou
Asian Journal of Chemistry,
Vol. 30 No. 7 (2018): Vol 30 Issue 7
Abstract
In this study, the flotation technology was used to separate and enrich the heavy metal Cd2+ ions. Based on literature, it was found that Cd2+ could form CdI42- with KI in solution and then (RhB)2(CdI4) was occurred when CdI42- was mixed with rhodamine B. This ternary associate was determined by bisolvent of ester and ionic liquid flotation system. Ionic liquid was [Bmim]BF4, the optimal amount of acetic acid, potassium iodide and rhodamine B was 8, 20 and 4 mL, respectively. The best removal efficiency obtained at a flotation time of 15 min with air flow rate of 30 mL/min and 38 % mass fraction of (NH4)2SO4 solution was 95.68 %. The experimental data indicated that the ionic liquid have more excellent function than the traditional organic solvents.
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References
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S.P. Liu, Z.F. Liu and H.Q. Luo, Anal. Chim. Acta, 407, 255 (2000); https://doi.org/10.1016/S0003-2670(99)00816-8.
L. Järup and A. Åkesson, Toxicol. Appl. Pharmacol., 238, 201 (2009); https://doi.org/10.1016/j.taap.2009.04.020.
M.H. Salmani, M. Davoodi, M.H. Ehrampoush, M.T. Ghaneian and M.H. Fallahzadah, Iran. J. Environ. Health Sci. Eng., 10, 16 (2013); https://doi.org/10.1186/1735-2746-10-16.
Q. Cheng and H. Dong, Mikrochim. Acta, 150, 59 (2005); https://doi.org/10.1007/s00604-005-0333-8.
M.K. Jha, V. Kumar, J. Jeong and J. Lee, Hydrometallurgy, 111-112, 1 (2012); https://doi.org/10.1016/j.hydromet.2011.09.001.
C.W. Wong, J.P. Barford, G. Chen and G. McKay, J. Environ. Chem. Eng., 2, 698 (2014); https://doi.org/10.1016/j.jece.2013.11.010.
M. Aliabadi, M. Irani, J. Ismaeili, H. Piri and M.J. Parnian, Chem. Eng. J., 220, 237 (2013); https://doi.org/10.1016/j.cej.2013.01.021.
M. Ghaedi, A. Shokrollahi, K. Niknam, E. Niknam, A. Najibi and M. Soylak, J. Hazard. Mater., 168, 1022 (2009); https://doi.org/10.1016/j.jhazmat.2009.02.130.
E.L. Silva, P.S. Roldan and M.F. Giné, J. Hazard. Mater., 171, 1133 (2009); https://doi.org/10.1016/j.jhazmat.2009.06.127.
E.L. Silva and P.S. Roldan, J. Hazard. Mater., 161, 142 (2009); https://doi.org/10.1016/j.jhazmat.2008.03.100.
T. Oymak, S. Tokalioglu, V. Yilmaz, Z. Kartal and D. Aydin, Food Chem., 113, 1314 (2009); https://doi.org/10.1016/j.foodchem.2008.08.064.
Z. Shahri, A. Sobhani and M. Salavati-Niasari, Mater. Res. Bull., 48, 3901 (2013); https://doi.org/10.1016/j.materresbull.2013.05.100.
H. Parham, N. Pourreza and N. Rahbar, J. Hazard. Mater., 163, 588 (2009); https://doi.org/10.1016/j.jhazmat.2008.07.007.
F. Xie, X. Lin, X. Wu and Z. Xie, Talanta, 74, 836 (2008); https://doi.org/10.1016/j.talanta.2007.07.018.
G. Absalan, M. Akhond and L. Sheikhian, Talanta, 77, 407 (2008); https://doi.org/10.1016/j.talanta.2008.06.049.
M.D. Joshi and J.L. Anderson, RSC Adv., 2, 5470 (2012);https://doi.org/10.1039/c2ra20142a.
C. Nerín, J. Salafranca, M. Aznar and R. Batlle, Anal. Bioanal. Chem., 393, 809 (2009); https://doi.org/10.1007/s00216-008-2437-6.
J.L. Anderson, D.W. Armstrong and G.T. Wei, Anal. Chem., 78, 2892 (2006); https://doi.org/10.1021/ac069394o.
T.D. Ho, C. Zhang, L.W. Hantao and J.L. Anderson, Anal. Chem., 86, 262 (2014); https://doi.org/10.1021/ac4035554.