Determination of Iron Oxide Content in Bauxites Using X-Ray Fluorescence Spectrometry by Pressing: A Comparative Study with Spectrophotometric Method
Science Journal of Chemistry
Volume 6, Issue 6, December 2018, Pages: 108-114
Received: Oct. 31, 2018;
Accepted: Nov. 26, 2018;
Published: Jan. 2, 2019
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Dragana Blagojevic, Department of Chemistry, University of Banja Luka, Banja Luka, BiH
Dragica Lazic, Department of Chemical Technology, University of East Sarajevo, Zvornik, BiH
Dragana Keselj, Department of Chemical Technology, University of East Sarajevo, Zvornik, BiH
Zoran Obrenovic, Department of Chemical Technology, University of East Sarajevo, Zvornik, BiH
Gordana Ostojic, Alumina Factory “Alumina”, Zvornik, BiH
Bauxite is the primary ore for aluminum extraction. In order to assess the quality of bauxite, it is important to determine not only the content of Al2O3 but the content of Fe2O3 as well. Determining the composition of bauxite is very important from the aspect of determining the quality of bauxite. Therefore, it is important to use a method that is fast, accurate, and precise. In this paper the results of the comparison of two methods are presented. Bauxites of different deposits were analysed for their content of Fe2O3 (mass %), using the X-ray fluorescence spectrometry and reference spectrophotometric method MA. B. M.018. The samples were annealed prior to the process, and beads were prepared by pressing for the purpose of the analysis. Certified reference samples of bauxite were used for producing a calibration curve. The equation for calculating the content of Fe2O3 (mass %) in the samples of bauxite was derived from the calibration curve, which was obtained with the coefficient of correlation r = 0.9989 and the standard deviation S = 3.4420. The XRF method was statistically verified by the F-test and t-test (using the standard sample of the bauxite and the reference method). The values obtained from the mentioned tests showed that the XRF method was imprecise and inaccurate for determination of iron oxide in bauxite, when the samples was prepared by pressing.
Determination of Iron Oxide Content in Bauxites Using X-Ray Fluorescence Spectrometry by Pressing: A Comparative Study with Spectrophotometric Method, Science Journal of Chemistry.
Vol. 6, No. 6,
2018, pp. 108-114.
Parhi, B. R., et al. (2017). Physico-chemical investigations of high iron bauxite for application of refractive and ceramics. Metallurgical Research & Technology 114, 307.
Borra, C. R., B. Blanpain, Y. Pontikes, K. Binnemans, and T. Van Gerven, T. (2015). Smelting of Bauxite Residue (Red Mud) in View of Iron and Selective Rare Earths Recovery. Journal of Sustainable Metallurgy 2, 28–37.
Borra, C. R., B. Blanpain, Y. Pontikes, K. Binnemans and T. Van Gerven (2016). Comparative Analysis of Processes for Recovery of Rare Earths from Bauxite Residue. JOM 68, 2958–2962.
Costa, G. M., V. Barrón, C. M. Ferreira and J. Torrent (2009). The use of diffuse reflectance spectroscopy for the characterization of iron ores. Minerals Engineering 22, 1245–1250.
Richter, N., et al. (2009). Free Iron Oxide Determination in Mediterranean Soils using Diffuse Reflectance Spectroscopy. Soil Science Society of America 73, 72-81.
Fadigas, F. S., N. M. B. A. Sobrinho, L. H. C. Anjos and N. Mazur (2010). Background levels of some trace elements in weathered soils from the Brazilian Northern region. Scientia Agricola (Piracicaba, Brazil) 67, 53-59.
Elif Varhan Orala, E. V., B. Ziyadanogullarib, F. Aydinb, E. Dincc, and R. Ziyadanogullarib (2016). ICP-OES Method for the Determination of Fe, Co, Mn, Cu, Pb, and Zn in Ore Samples From the Keban Region Using Experimental Design and Optimization Methodology. Atomic Spectroscopy 37, 142-149.
Memon, M., K. S. Memon, M. S. Akhtar and D. Stüben (2009). Characterization and Quantification of Iron Oxides Occurring in Low Concentration in Soils. Communications in Soil Science and Plant Analysis 40, 162–178.
Wȩgiel, K., J. Robak and B. Baś (2017). Voltammetric determination of iron with catalytic system at a bismuth bulk annular band electrode electrochemically activated. RSC Advances 7, 22027–22033.
Kopáček, J., J. Borovec, J. Hejzlar and P. Porcal (2007). Spectrophotometric Determination of Iron, Aluminium, and Phosphorus Soil and Sediment Extracts after their Nitric and Perchloric Acid Digestion. Communications in Soil Science and Plant Analysis 32, 1431-1443.
Jankiewicz, B., B. Ptaszyński and A. Turek (2002). Spectrophotometric Determination of Iron (II) in the Soil of Selected Allotment Gardens in Łόdź. Polish Journal of Enviromental Studies 11, 745-749.
Dominik, P. and M. Kaupenjohann (2000). Simple spectrophotometric determination of Fe in oxalate and HCl soil extracts. Talanta 51, 701–707.
Essington, M. E., G. V. Melnichenko, M. A. Stewart and R. A. Hull (2009). Soil Metals Analysis Using Laser-Induced Breakdown Spectroscopy (LIBS). Soil Science Society of America Journal 73, 1469-1478.
Capitelli, F., et al. (2002). Determination of Heavy Metals in Soils by Laser Induced Breakdown Spectroscopy. Geoderma 106, 45-62.
Mekonnen, K. N., et al. (2013). Assessment of the concentration of Cr, Mn and Fe in sediment using laser-induced breakdown spectroscopy. Bulletin of the Chemical Society of Ethiopia 27, 1-13.
Idris, N., K. Lahna, Fadhli and M. Ramli (2017). Study on Emission Spectral Lines of Iron, Fe in Laser-Induced Breakdown Spectroscopy (LIBS) on Soil Samples. Journal of Physics: Conference Series 846, 012020.
Yamada, Y. (2014). Sample preparation for X-ray fluorescence analysis. Rigaku Journal 30, 26-29.
F. Rouessac and A. Rouessac, Chemical analysis: modern instrumentation and methods and techniques, 2nd ed., Chichester: John Wiley & Sons, 2007, pp. 263-285.
L. Ebdon, A. S. Fisher, M. Betti and M. Leroy “Detection methods for the quantitation of trace elements” in Sample preparation for trace element analysis, vol. XLI, Z. Mesterand R . Sturgeon, Eds. Amsterdam: Elsevier, 2003, pp.117-186.
Gan, B. K., et al. (2013). Quantitative phase analysis of bauxites and their dissolution products, International Journal of Mineral Processing 123, 64–72.
Oliveira, F. S., A. F. D. C. Varajão, C. A. C. Varajão, B. Boulangé and C. C. V. Soares (2013). Mineralogical, micromorphological and geochemical evolution of the facies from the bauxite deposit of Barro Alto, Central Brazil. Catena 105, 29–39.
Rezaee, R. M., S. Shahhoseini, M. Janfada, H. A. Mirzaee and P. Kelidari (2017). Investigation of parameters affecting desilication of diasporic bauxite in Jajarm mine by thermo-chemical treatment. Journal of Mining & Environment 8, 75-81.
Dobra, G., at al. (2016). Full Analysis of Sierra Leone Bauxite and Possibilities of Bauxite Residue Filtration. Journal of Siberian Federal University. Engineering & Technologies 9, 643-656.
Qing, S., at al. (2016). Development of an online X-ray fluorescence analysis system for heavy metals measurement in cement raw meal. Spectroscopy Letters 49, 188-193.
Tyopine, A. A., A. J. Wangum and E. A. Idoko (2015). Impact of Different Grinding Aids on Standard Deviation in X-Ray Fluorescence Analysis of Cement Raw Meal. American Journal of Analytical Chemistry 6, 492-494.
Liu, R-X. and C-S. Poon (2016). Utilization of red mud derived from bauxite in self-compacting concrete. Journal of Cleaner Production 112, 384-391.
Kaußen, F. M. and B. Friedrich (2018). Phase characterization and thermochemical simulation of (landfilled) bauxite residue (“red mud”) in different alkaline processes optimized for aluminum recovery. Hydrometallurgy 176, 49-61.
Ramdhani, E. P., T. Wahyuni, Y. L. Ni’mah, Suprapto and D. Prasetyoko (2018). Extraction of Alumina from Red Mud for Synthesis of Mesoporous Alumina by Adding CTABr as Mesoporous Directing Agent. Indonesian Journal of Chemistry, 18, 337 – 343.
Passos, E. R and J. A. Rodrigues (2016). The influence of titanium and iron oxides on the coloring and friability of the blue fired aluminum oxide as an abrasive material. Ceramica 62, 38-44.
Gazulla, M. F., M. P. Gόmez, A. Barba and J. C. Jarque (2004). Characterization of ceramic oxide refractories by XRF and XRD. X-Ray Spectrometry 33, 421–430.
Janča, M., P. Šiler, T. Opravil and J. Kotrla (2018). Determination accuracy of analysis refractory materials by X-ray fluorescence. IOP Conference Series: Materials Science and Engineering 379, 012034.