2009
DOI: 10.1016/j.jcis.2008.11.014
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Evaluation of the steric, electric, and dielectric exclusion model on the basis of salt rejection rate and membrane potential measurements

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Cited by 46 publications
(41 citation statements)
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“…Firstly, they keep relatively high permeate flux at low pressure operation compared with conventional RO [1], and secondly, most of them are electrically charged with the subsequent effect on the solute separation mechanism.…”
Section: Introductionmentioning
confidence: 99%
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“…Firstly, they keep relatively high permeate flux at low pressure operation compared with conventional RO [1], and secondly, most of them are electrically charged with the subsequent effect on the solute separation mechanism.…”
Section: Introductionmentioning
confidence: 99%
“…The mass transfer through the membrane is described using the extended Nernst-Planck equation modified by hydrodynamic coefficients to reflect the influence of the pore constriction on both convection and diffusion. The equilibrium partitioning relation takes into account electric and dielectric effects to describe the distribution of species at the pore inlet and outlet 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 3 [1]. These effects are the Donnan exclusion and the dielectric exclusion, being the later composed by two terms, the Born effect and the image forces one.…”
Section: Introductionmentioning
confidence: 99%
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“…Constitutive relations are required which describe how effective viscosity µ and diffusion coefficients D i depend on particle volume fractions and velocities. 40,50,51 From this point onward we focus on flow through porous media sufficiently far away from macro- …”
mentioning
confidence: 99%
“…Sin embargo, se está de acuerdo en una serie de aspectos, que intentan describir el funcionamiento general de estas membranas. Uno de estos aspectos en los que varios autores coinciden es que la retención de los solutos se debe a efectos estéricos (tamaño de poro y del soluto a retener) y a efectos de carga (tanto de la carga de la superficie de la membrana e interior de los poros como de la carga de los solutos) [82][74][83] [84]. Por tanto, para comprender mejor el comportamiento y la selectividad de una membrana porosa es indispensable determinar, no solamente sus características estructurales (radio de poro medio, distribución de tamaño de poro, tortuosidad…), sino también sus características eléctricas superficiales, tales como la carga o el potencial de la superficie de la pared de los poros.…”
Section: Mecanismos De Transporte a Través De Una Membrana De Nanofilunclassified