Liquid-liquid Extraction of Palladium (II) in Acidic Chloride Solutions Using Tri-n-octylamine
Keywords:
Extraction, Palladium, Tri-n-octylamine (TOA), Liquid-Liquid, Stripping.Introduction.Abstract
The extraction of palladium in hydrochloric acid solution (200 ppm) using tri-n-octylamine (TOA) as extractant were performed in four different solvents (toluene, xylene, crosin and 1, 2-dichloroethane) via liquid-liquid method. The effect of extraction time and material concentration investigated for Pd (?) extraction. The maximum extraction for palladium achieved with 1% TOA in 0.05 M HCl medium in 15 min with toluene. After the extraction, the Pd (?)-loaded organic phase was stripped with different stripping agents. Results showed that Pd (?) stripping is better achieved by 8 M ammonia solution. The percentage stripping of palladium (?) was 100% in this condition.
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[3] Fu, J.; Nakamura, S. & Akiba, K. (1995). Separation science & Technology, 30, 609-619.
[4] Shams, K.; Beigay, M.R. & Gholampour Shirazi, A. (2004). Applied Catalysis, 258, No 2, 227-264.
[5] Barakat, M.A. & Mahmoud, M.H.H. (2004). Hydrometallurgy, 72, 179-185.
[6] Chen, J. & huang, K. (2006). Hydrometallurgy, 182, 164-171.
[7] Huang, H.; Huang, C.; Wu, Y.; Ding, S.; Liu, N.; Su, D. & Lv, T. (2015). Hydrometallurgy, 156, 6-11.
[8] Juang, R.S. (1988). Industrial & Engineering Chemistry Research, 6, 813-820.
[9] Kumar, J.R. (2004) Ph.D. Thesis, Studies on liquid-liquid extraction of tetravalent zirconium and hafnium, Sri venkateswara University.
[10] Hundson & Shepherd, M.J. (1985). Hydrometallurgy, 14, 23-24
[11] Jaree, A. & Khunpakdee, N. (2011). Journal of Industrial & Engineering Chemisty, 17, 243-247.
[12] Kiyoyama, S.; Yonemura, S.; Yoshida, M.; Shiomori, K.; Yoshizawa, H.; Kawano, Y. & Hatate, Y. (2007). Reactive & Functional Polymers, 67, 522–528.
[13] Bandekar, S.V. & Dhadke, P.M. (1998). Separation & Purification Techkology, 13, 129-134.
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[16] Mirza, M.Y.; Ejaz, M.; Sani, A.R.; Ullah, S.; Rashid, M. & Samdani, G. (1967). Analytica Chimica Acta, 37, 402-404.
[17] Pasdar, H.; Fallah, J.; Marandi, R.; Daneshpajuh, S. & Hajmohammadi, H. (2011). Journal of Applied Chemical Research, 17, 37-40.
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Published
2017-12-04
How to Cite
Pasdar, H., Saghavaz, B. H., Fallah, Z., Shahi, M., & Davallo, M. (2017). Liquid-liquid Extraction of Palladium (II) in Acidic Chloride Solutions Using Tri-n-octylamine. American Scientific Research Journal for Engineering, Technology, and Sciences, 38(1), 258–264. Retrieved from https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3600
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