Investigation on sorption of Au(III) onto silicon-organic polymers with thioacetamide, thiocarbamide, and dioxothiocarbamide groups
DOI:
https://doi.org/10.5564/jasea.v3i1.2457Keywords:
precious metal, thermodynamic parameters, functional groupsAbstract
Silicon-organic polymers containing thioacetamide, thiocarbamide, and dioxothiocarbamide groups were used in this investigation. The polymers were produced by the hydrolytic poly-condensation reaction of silicon-organic monomer, 3-triethoxysilylpropylamine. Au(III) sorption onto the polymers has been studied. The optimal condition of the sorption is confirmed by sorption experiments which were carried out at various times and in acidic solution conditions. Based on the result of the instrumental analysis and the values of thermodynamic parameters, such as ΔG°, ΔH°, and ΔS° can be concluded that Au(III) can be connected with the electro-donor nitrogen and sulfur atoms of the functional group of the polymer by chemical and coordination bonds.
Downloads
152
References
D.F. Shriver and P.W. Atkins, Inorganic Chemistry, C.H. Langford Second edition, 1994.
S.B. Tay, G. Natarajan, MNb. Abdul Rahim, H.T. Tan, M.C.M. Chung, Y.P. Ting and W.S. Yew, Enhancing gold recovery from electronic waste via lixiviant metabolic engineering in Chromobacterium violaceum, Scientific Reports, 3 (2013), pp. 2236. https://doi.org/10.1038/srep02236
F.J. Alguacil, A. Hernandez, A. Luis, Study of the KAu(CN)2-amine amberlite LA-2 extraction equilibrium system, Hydrometallurgy, 24 (1990). pp 157-166. https://doi.org/10.1016/0304-386X(90)90083-E
F.J. Alguacil, P.Navarro, Non-dispersive solvent extraction of Cu(II) by LIX 973N from ammoniacal/ammonium carbonate aqueous solutions, Hydrometallurgy, 65 (2002) pp. 77-82. https://doi.org/10.1016/S0304-386X(02)00093-2
C. Caravaca, F.J. Alguacil, A. Sastre, The use of primary amines in gold(I) extraction from cyanide solutions, Hydrometallurgy, 40 (1996), pp. 263-275. https://doi.org/10.1016/0304-386X(95)00013-7
A.M. Sastre, A. Madi, J.L. Cortina, Solvent extraction of gold by LIX Experimental equilibrium study, J.Chem.Technol. Biotechnol, 79 (1999), pp. 310-314. https://doi.org/10.1002/(SICI)1097-4660(199904)74:4<310::AID-JCTB33>3.0.CO;2-Y
M. Spitzer, R. Bertazzoli, Selective electrochemical recovery and silver from cyanideaqueous effluents using titanium and vitreous carbon cathodes, Hydrometallurgy. 74 (2004), pp. 233-242. https://doi.org/10.1016/j.hydromet.2004.05.001
G. Deschenes, Literature survey on the recovery of gold from thiourea solutions and the comparison with cyanidation. CIM Bull. 9 (1986), pp. 73-83.
P. Navara, F.J. Alguacil, Adsorption of antimony and arsenic from a copper electro plating solution onto activated carbon, Hydrometallurgy, 66 (2002), pp. 101-105. https://doi.org/10.1016/S0304-386X(02)00108-1
D. Bachiller, M. Torre, M. Rendueles, Cyanide recovery by ion exchange from gold ore waste effluents containing copper, Miner, Eng, 17 (2004), pp. 767-774. https://doi.org/10.1016/j.mineng.2004.01.001
G.C. Lukey, J.S.J. van Deventer, R.L. Chowdhury, Effect of salinity on the capacity and electivity of ion exchange resins for gold cyanide, Miner. Eng, 12 (1999), pp. 769-785. https://doi.org/10.1016/S0892-6875(99)00063-1
M. Matsuda, C. Kamizawa, H. Masuda, T. Nakane, Recovery of gold from plating ringe by adsorption with nylon fiber. Desalination, 29(3) (1979), pp. 275-284. https://doi.org/10.1016/S0011-9164(00)82244-4
M.G. Boronkov, N.N. Vlasova, Yu.N. Pozhidayev, Organosilicon Polymers with Ion-exchange and Complexing Properties, Chemistry for Sustainable Development 8 (2000), pp. 79-84.
Yu. Ganchimeg, G. Burmaa, Naoki Kano, Hee Joon Kim, Recovery of Gold from Aqueous Solution Containing Au(III) by Silicon Organic Polymer, J. Chem. Chem. Eng, 11 (2017), pp. 15-21, https://doi.org/10.17265/1934-7375/2017.01.003
Voronkov, M.G., Vlasova, N.N., Grigoreva, O.Y. et al. N,N′-Bis(triethoxysilylmethyl) thiocarbamide and Poly[N,N′-bis(silsesquioxanylmethyl)thiocarbamide S,S-dioxide], Russ J Gen Chem 75, (2005), 1091–1093, https://doi.org/10.1007/s11176-005-0373-0
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2022 Ganchimeg Yunden, Enkhtuya Majigsuren, Burmaa Gunchin
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright on any research article in the Journal of Applied Science and Engineering A is retained by the author(s).
The authors grant the Journal of Applied Science and Engineering A a license to publish the article and identify itself as the original publisher.
Articles in the Journal of Applied Science and Engineering A are Open Access articles published under a Creative Commons Attribution 4.0 International License CC BY.
This license permits use, distribution and reproduction in any medium, provided the original work is properly cited.
