Purification of feldspar from colored impurities using organic acids

• Autorzy: Vapur H. , Top S. , Demirci S.

Identyfikatory

DOI

10.5277/ppmp170112

• Języki publikacji: EN

Abstrakty

EN

In this study oxalic, citric, and glycolic acids were used in order to reduce Fe and Ti (colored impurities) from the slimes (-75 μm) feldspar samples using organic acids. The results showed that removal ratios of the colored impurities from the feldspar samples were 67.9% for Fe and 43.75% for Ti using oxalic acid and the agitated leaching (AL) method. The influence of main parameters (temperature, pulp density, leaching time, and acid concentration) were examined by using full the factorial design (24) ANOVA-Yates test technique. Next, the removal ratios of Fe% and Ti% in the tests were determined to be 80.44% and 45.39%, respectively. Additionally, the main parameters which were obtained from the best results of AL were optimized for the -500+75 μm feldspar sample. Finally, the microwave-assisted pressure leaching (MAPL) method was apply to determine the effect of pressure on leaching. The obtained results indicated that the optimum removal ratios obtained were 95.74% for Fe and 70.88% for Ti by using the MAPL tests with oxalic acid. Furthermore, the measured whiteness (L) values were observed to be over 90%. This is a suitable purification ratio for the ceramic and glass industry.

Słowa kluczowe

EN

chemical extraction; feldspar; organic acids; statistical analysis; microwave

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2017
• Tom: Vol. 53, iss. 1
• Strony: 150--160
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Vapur H.

• Cukurova University, Department of Mining Engineering, Adana, 01330, Turkey

autor

Top S.

• Cukurova University, Department of Mining Engineering, Adana, 01330, Turkey

autor

Demirci S.

• Cukurova University, Department of Mining Engineering, Adana, 01330, Turkey

Bibliografia

• AMARANTE M.A., SOUSA A.B., LEITE M.M., 1997, Beneficiation of a feldspar ore for application in the ceramic industry, The Journal of The South African Inst. of Mining and Metallurgy, 193-196.
• ASLAN V., BAYAT O., 2009, Iron removal from Turkish quartz sand by chemical leaching and bioleaching, Minerals & Metallurgical Proc., 26 (1), 35-40.
• BAYRAKTAR I., CAKIR U., 2002, Quality feldspar production at Cine Akınaden, Industrial Minerals, 56-59.
• BONNEY C.F., 1994, Removal of iron from kaolin and quartz: Dissolution with organic acids, Hydrometallurgy '94. Chapman and Hall, London, 313–323.
• BUNDY W.M., ISHLEY J.N., 1991, Kaolin in paper filling and coating, Appl. Clay Sci. 5, 397–420.
• CALDERON G.D.T., RODRIGUEZ J.I., ORTIZ-MENDEZ U., TORRES-MARTINEZ L.M., 2005, Iron leaching of a Mexican clay of industrial interest by oxalic acid, J. Mater. Online 1, 1–8.
• CAMESELLE C., RICART M.T., NUNEZ M.J., LEMA J.M., 2003, Iron removal from kaolin: Comparison between ‘‘in situ’’ and ‘‘two-stage’’ bioleaching processes, Hydrometallurgy, 68, 97–105.
• DEMIR C., ABRAMOV A.A., CELIK M.S., 2001, Flotation separation of Na-feldspar from K-feldspar by monovalent salts, Min. Eng., 14 (7), 733–740.
• DEL DACERA, D.M., BABEL S., 2006, Use of citric acid for heavy metals extraction from contaminated sewage sludge for land application, Water Science Tech., 54 (9), 129–135.
• DOGU I., AROL A.I., 2004, Separation of dark-colored minerals from feldspar by selective flocculation using starch, Powder Tech., 139, 258-263.
• HAQUE K.E., 1999, Microwave energy for mineral treatment processes, a brief review, Int. J. Miner. Process., 57, 1-24.
• LEE S.O., TRAN T., PARK Y.Y., KIM S.J., VE KIM M.J., 2006, Study on the kinetics of iron oxide leaching by oxalic acid, Int. J. Miner. Process. 80, 144–152.
• JONGLERTJUNYA W., RUBCUMINTARA T., 2013, Titanium and iron dissolutions from ilmenite by acid leaching and microbiological oxidation techniques, Asia-Pasific J. of Chem. Eng., 8, 323-330.
• MESQUITA L.M.S., RODRIGUES T., GOMES S.S., 1996, Bleaching of Brazilian kaolins using organic acids and fermented medium, Min. Eng., 9 (9), 965-971.
• MONTGOMERY D.C., 1991, Design and analysis of experiments, 3rd ed., Wiley, Singapore, 615 p.
• NAIK K.P., REDDY R.S.P., MISRA N.V, 2005, Interpretation of interaction effects and optimization of reagent dosages for fine coal flotation, Int. J. Miner. Process., 75, 83-90.
• PHILIPS K.A., 1989, Industrial minerals in Arizona's paint industry, Open-file Report, Arizona Department of Mines and Mineral Resources, pp. 1–8.
• PINTO I.S.S., SOARES H.M.V.M., 2013, Microwave-assisted selective leaching of nickel from spent hydrodesulphurization catalyst: A comparative study between sulphuric and organic acids, Hydrometallurgy, 140, 20-27.
• SUORANTA T., ZUGAZUA O., NIEMELA M., PERAMAKI P., 2015, Recovery of palladium, platinum, rhodium and ruthenium from catalyst materials using microwave-assisted leaching and cloud point extraction, Hydrometallurgy, 154, 56-62.
• TUNCUK A., CIFTLIK S., AKCIL A., 2013, Factorial experiments for iron removal from kaolin by using single and two-step leaching with sulfuric acid, Hydrometallurgy, 134, 80-86.
• VEGLIO F., PASSARIELLO B., BARBARO M., PLESCIA P., MARABINI A.M., 1998, Drum leaching tests in iron removal from quartz using oxalic and sulphuric acids, Int. J. Miner.Process. 54, 183–200.

Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).