Kinetics of Mercury(II) Transport Through a Bulk Liquid Membrane Containing Calix[4]arene Derivatives as Carrier
Yükleniyor...
Dosyalar
Tarih
2003
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Marcel Dekker Inc
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
The kinetics of transport of mercury (II) ions through a bulk liquid membrane (chloroform) containing calix[4]arene nitrile derivatives as a carrier was examined at different temperatures and different stir-ring rates. The kinetics of mercury (II) transport could be analyzed in the formalism of two, consecutive, irreversible first-order reactions. The influence of temperature and stirring-rate on kinetic parameters also have been investigated. The membrane entrance rate, k(1), and the membrane exit rate, k(2), increased with increasing temperature and increasing stirring rate. For maximum membrane exit fluxes, J(a)(max), the activation energies were found as 1.923 +/- 0.15 and 2.112 +/- 0.2 kj/mol, for ligand carrier 1 and 2, respectively. The values for the found activation energy indicate that the process is controlled by species diffusion.
Açıklama
Anahtar Kelimeler
Co-transport, Mercury (II) transport, Transport kinetics, Liquid membranes, Temperature effects, Diffusional rate-determining step, Calixarenes
Kaynak
Separation Science and Technology
WoS Q Değeri
Q2
Scopus Q Değeri
Q2
Cilt
38
Sayı
7
Künye
Alpoğuz, H. K., Memon, S., Ersöz, M., Yılmaz, M., (2003). Kinetics of Mercury(II) Transport Through a Bulk Liquid Membrane Containing Calix[4]arene Derivatives as Carrier. Separation Science and Technology, 38(7), 1649-1664. Doi: 10.1081/SS-120019098
