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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2012, Volume 63, Issue 2,





Ioana DIACONU, Ionut ZAHARIA, Elena RUSE, Doina Antoaneta RADU
Kinetic Aspects of Transport para-aminophenol
through Agitated Bulk Liquid Membrane

Abstract:

This paper presents experimental results regarding the transport through agitated bulk liquid membrane of para-aminophenol, a highly toxic chemical reagent. The influence of a group of carriers para-tert-butyl-calix[n]arenes (n=4,6,8) in the transport of para-aminophenol through a chloroform membrane was studied. In the presence of the carrier an increase of the efficiency transport takes place. Thus the transport efficiency increases from 26% without carrier to over 73% in the presence of the carrier para-tert-butyl-calix[8]arene. Assessing the kinetic parameters of transport process (entry and exit flow through the membrane, mass transfer coefficients), it was established that the transport efficiency increases in the order: para-tert-butyl-calix[4]arene [ para-tert-butyl-calix[6]arene [ para-tert-butyl-calix[8]arene. Also it has been observed an increase of exit flow from the membrane and also for mass transfer coefficients. Keywords: para-aminophenol, para-tert-butyl-calix[n]arene, kinetic model


Issue: 2012, Volume 63, Issue 2
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