2003
DOI: 10.1023/a:1024241326422
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Cited by 23 publications
(6 citation statements)
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“…However, several studies have investigated nonlinear kinetic modeling of FR data. [53][54][55][56][57][58][59] The purpose of this work is to utilize concentration-swing frequency response to determine and quantify the appropriate mechanism that describes the mass transport phenomena of condensable vapors in adsorbent particles. This is the first application of concentration-swing frequency response to characterize the diffusion of condensable vapors in adsorbent particles.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, several studies have investigated nonlinear kinetic modeling of FR data. [53][54][55][56][57][58][59] The purpose of this work is to utilize concentration-swing frequency response to determine and quantify the appropriate mechanism that describes the mass transport phenomena of condensable vapors in adsorbent particles. This is the first application of concentration-swing frequency response to characterize the diffusion of condensable vapors in adsorbent particles.…”
Section: Introductionmentioning
confidence: 99%
“…The model developed for the concentration swing apparatus is similar to the model used to describe the dynamics of their pressure swing frequency response apparatus. It should be noted that most of the FR works discussed above assume that small perturbations to the system allow for portions of the kinetic model to be linearized. However, several studies have investigated nonlinear kinetic modeling of FR data. …”
Section: Introductionmentioning
confidence: 99%
“…The NFR method replaces the nonlinear dynamic model of a weakly nonlinear system with a set of FRFs of the first, second, and higher orders [9,14]. For an exact representation of the nonlinear model, an infinite sequence of FRFs would be needed, but approximations using only the first and second, or eventually third-order FRFs have shown very good results [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29].…”
Section: Introductionmentioning
confidence: 99%
“…These methods can be considered as extensions of the corresponding linear FR methods (classical FR technique for investigating adsorption kinetics, first introduced by Naphtali and Polinski [40], or the classical Electrochemical Impedance Spectroscopy (EIS), first introduced by Epelboin and Loric [41]). The main advantage of our NFR approach is that the second-order FRFs enable mechanism discrimination, based on distinctive shapes of the corresponding amplitude and phase characteristics corresponding to different mechanisms, even in cases when different mechanisms have essentially identical shapes of the first order FRFs [15,16,21,42]. The process mechanism is identified by comparing the FRFs estimated from experimental NFR measurements with the theoretical FRFs corresponding to different mechanisms in consideration.…”
Section: Introductionmentioning
confidence: 99%
“…In our previous work, we have been using the concept of HFRFs to investigate adsorption kinetics and equilibria. The most important results of this investigation are that it is possible to discriminate between different kinetic mechanisms reliably using HFRFs 22,24 and that both kinetic and equilibrium parameters, including those which define the system nonlinearity, can be estimated from the same set of experimental data. , The investigation presented in this paper is the first attempt to apply this concept to the estimation of quasi-steady states of periodic processes.…”
Section: Introductionmentioning
confidence: 99%