Effect of surface tension gradients on stability of supported liquid membranes
作者： F.F. Zha , A.G. Fane , C.J.D. Fell
DOI: 10.1016/0376-7388(95)00103-J
关键词:
摘要: Abstract This paper examines the instability mechanisms of supported liquid membranes in presence surface tension gradients. Extraction nickel with D2EHPA is a typical negative (σ−) system, while copper extraction LIX 84 shows positive (σ+) system. A σ− system was observed to stimulate interface and promote emulsion formation, resulting more serious loss membrane from interface. σ+ does not produce that effect. The effect gradients on stability manifested under large gradients, but will be damped out when aqueous solution contains high concentration electrolyte. Smaller pores also decreases From experiments different systems, it deduced formation an oil-in-water erupting interfacial dominant cause for membranes. may supply additional stimulation loss. can improved by preventing or reducing
elsevier.com
sci-hub.se 参考文章(19)
K H Javed, J D Thornton, TIME DEPENDANT MASS TRANSFER RATES IN A LIQUID-LIQUID SYSTEM EXHIBITING INTERFACIAL TURBULENCE Extraction '84#R##N#Symposium on Liquid–Liquid Extraction Science. pp. 203- 216 ,(1984) , 10.1016/B978-0-08-031439-6.50020-9
John S. Preston, Solvent extraction of cobalt and nickel by organophosphorus acids I. Comparison of phosphoric, phosphonic and phosphonic acid systems Hydrometallurgy. ,vol. 9, pp. 115- 133 ,(1982) , 10.1016/0304-386X(82)90012-3
A.P. Boyes, A.B. Ponter, Interfacial instability during distillation of surface tension negative systems: the production of satellite droplets Chemical Engineering Science. ,vol. 25, pp. 1952- ,(1970) , 10.1016/0009-2509(70)87015-4
Z.M. Gu, D.T. Wasan, N.N. Li, Ligand-accelerated liquid membrane extraction of metal ions Journal of Membrane Science. ,vol. 26, pp. 129- 142 ,(1986) , 10.1016/S0376-7388(00)80059-9
C. V. Sternling, L. E. Scriven, Interfacial turbulence: Hydrodynamic instability and the marangoni effect Aiche Journal. ,vol. 5, pp. 514- 523 ,(1959) , 10.1002/AIC.690050421
S.R.M. Ellis, M. Biddulph, Interfacial turbulence measurements Chemical Engineering Science. ,vol. 21, pp. 1107- 1109 ,(1966) , 10.1016/0009-2509(66)85105-9
F.J. Zuiderweg, A. Harmens, The influence of surface phenomena on the performance of distillation columns Chemical Engineering Science. ,vol. 9, pp. 89- 103 ,(1958) , 10.1016/0009-2509(58)80001-9
F.F. Zha, A.G. Fane, C.J.D. Fell, R.W. Schofield, Critical displacement pressure of a supported liquid membrane Journal of Membrane Science. ,vol. 75, pp. 69- 80 ,(1992) , 10.1016/0376-7388(92)80007-7
KATSUROKU TAKAHASHI, HIROSHI TAKEUCHI, Behavior of interfacial tension during copper extraction by lix65n Journal of Chemical Engineering of Japan. ,vol. 19, pp. 161- 166 ,(1986) , 10.1252/JCEJ.19.161
F.F. Zha, A.G. Fane, C.J.D. Fell, Instability mechanisms of supported liquid membranes in phenol transport process Journal of Membrane Science. ,vol. 107, pp. 59- 74 ,(1995) , 10.1016/0376-7388(95)00104-K