The separation of Nd(III) from mixed rare earth via hollow fiber supported liquid membrane and mass transfer analysis

被引：26
作者：
Wannachod, Thanaporn [1 ]
Mohdee, Vanee [1 ]
Suren, Sira [1 ]
Ramakul, Prakorn [2 ]
Pancharoen, Ura [1 ]
Nootong, Kasidit [1 ]
机构：
[1] Chulalongkorn Univ, Dept Chem Engn, Fac Engn, Bangkok 10330, Thailand
[2] Silpakorn Univ, Fac Engn & Ind Technol, Dept Chem Engn, Nakhon Pathom 73000, Thailand
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 26卷
关键词：
Temperature; Mass transfer; Separation; Neodymium; Hollow fiber; ACID MONO-2-ETHYLHEXYL ESTER; SOLVENT-EXTRACTION; PHOSPHORIC-ACID; TRANSPORT; NEODYMIUM; RECOVERY; NITRATE; IONS; TEMPERATURE; MIXTURE;
D O I：
10.1016/j.jiec.2014.11.032
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The separation of Nd(III) via hollow fiber supported liquid membrane (HFSLM) and mass transfer analysis was studied. At pH of 4.5, 0.5 M DNPPA as extractant, 3 M H2SO4 as stripping solution, flow rates of feed and stripping solutions of 100 mL/min and temperature of feed and stripping solutions of 313 K. Optimum extraction and stripping reached 98% and 95%. The mass transfer due to chemical reaction is the mass transfer-controlling step. The experiment data fitted in well with the mass transfer model. The average deviation in the feed side was below 2%. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：214 / 217
页数：4
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