화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.6, 4152-4162, November, 2014
DOI10.1016/j.jiec.2014.01.014  Export Citation
Synergistic effect of various neutral donors in D2EHPA for selective neodymium separation from lanthanide series via HFSLM
Thanaporn Wannachod, Natchanun Leepipatpiboon1, Ura Pancharoen†, and Kasidit Nootong†
  • Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Patumwan, Bangkok 10330, Thailand
  • 1Chromatography and Separation Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Patumwan, Bangkok 10330, Thailand
E-mail:,
The separation of Nd(III) from lanthanide series via hollow fiber supported liquid membrane (HFSLM) using synergistic extractant was investigated. Optimum extraction and stripping obtained were 94.5% and 85.1% using D2EHPA and TOPO mixtures (0.5:0.5 M/M) as the synergistic extractant. Reaction order for both extraction and stripping were first-order with rate constants of 1.444 and 1.338 min-1, respectively. The experimental results were used to correlate with the models. Results showed that the concentration of Nd(III) from the experiment fitted in well with the model results. The average deviation was 1.95% and 2.18% for predictions in both feed and stripping sides, respectively.
Keywords:Synergistic;Neodymium;Lanthanide;Hollow fiber;Liquid membrane
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