화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.21, 535-541, January, 2015
DOI10.1016/j.jiec.2014.03.016  Export Citation
Mass transfer and selective separation of neodymium ions via a hollow fiber supported liquid membrane using PC88A as extractant
Thanaporn Wannachod, Natchanun Leepipatpiboon1, Ura Pancharoen†, and Suphot Phatanasri†
  • 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 mass transfer of Nd(III) via hollow fiber supported liquid membrane was studied. At pH 4.5 using 0.5 M 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester as the extractant and 1 M H2SO4 as the stripping solution, optimum extraction and stripping reached 98% and 95%. Mass transfer resistance due to chemical reaction proved to be of the highest value, i.e. 1/Ke = 5.871 × 10^(2) s/cm. Thus, this indicated that the mass transfer resistance from the extraction was the most important. Further, themass transfer model fitted in well with the experiment data. The average deviation in the feed side was below 5%.
Keywords:Mass transfer;Neodymium;Selectivity;Hollow fiber;Liquid membrane
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