摘要
由煤油——仲辛醇——上胺体系组成的液膜技术分离铌(V)和钽(V),只要控制一定的料液相条件,就能快速,有效地分离。经一次处理能使含500ppm 的Ta_2 O_5几乎完全被萃取,而相同浓度的Nb_2 O_5其萃取率低于5%。
One method has been developed to separate niobium (V) and tan-talum (V) by means of liquid surfaetant membranes containing sec-oc-tyl alcohol as carrier mediation.The emulsion membrane systems con-sisting of kerosene,sec-octyl alcohol and shangan (N 205) can rapidlyand effectively separate Nb (V) and Ta (V ) mixtures,only if the con-ditions of sources phase has been well controlled.We can find thatTa (V),for the 500 ppm Ta_2O_5 in the sources phase,can almost beextracted,while the extraction rate of Nb (V) for the same concentra-tion is less than 5 percent.
出处
《膜科学与技术》
CAS
CSCD
1989年第4期39-43,共5页
Membrane Science and Technology