Pseudo-second-order kinetic model
Web14 hours ago · The pseudo second-order kinetic model and the Langmuir isotherm model confirmed the equilibrium adsorption time of 30 min and the maximum adsorption capacity of 594.95 mg g-1 for MINs. The static selective permeation results showed the MINM preferentially transfer ART when mixed with ARE. Compared with blending imprinted … WebThe pseudo-second-order (PSO) kinetic model has become among the most popular ways to fit rate data for adsorption of metal ions, dyes, and other compounds from aqueous …
Pseudo-second-order kinetic model
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WebApr 4, 2024 · kinetic model (R 2 > 0.98), and the q eq calculated by pseudo-second order model values had a good agreement with q eq obtained experimentally. The results showed that the number of ac tive WebApr 11, 2024 · However, The adsorption kinetic data of Ni(II) onto BC-HA could be well-described by the Pseudo-second-order model, showing high regression coefcients of R 2 …
WebMar 21, 2024 · The pseudo-second-order (PSO) kinetic model has been popularly applied in the field of adsorption. The use of the nonlinear optimization method to obtain the parameters of the PSO model can minimize error functions during modelling compared to the linear method. WebThe pseudo-second-order kinetic model has been linearized into four different types which were shown in Table 3 and a simple linear regression could result in different parameter estimates...
WebAug 25, 2006 · Pseudo second order kinetic expressions of Ho, Sobkowsk and Czerwinski, Blanachard et al. and Ritchie were fitted to the experimental kinetic data of malachite green onto activated carbon by non-linear and linear method. Non-linear method was found to be a better way of obtaining the parameters involved in the second order rate kinetic … http://www.ijsrp.org/research-paper-0618/ijsrp-p7865.pdf
WebMar 9, 2024 · A pseudo-second-order model is given as follows: When t approaches zero, the bioadsorption velocity qt / t becomes the initial bioadsorption velocity, and the data obtained in the kinetic study are adapted to the pseudo-second-order model by plotting the graph of t / qt versus t.
WebJul 31, 2024 · The pseudo-first-order (PFO) model, pseudo-second-order (PSO) and Elovich model have been the most applied chemisorptions models for studying kinetics of aqueous pollutants removal by using several adsorbents [ 26, 29, 30, 31, 32 ]. stretch tubesWeb-1 is the equilibrium rate constant based on the pseudo-first-order equation. 2.4.2. Pseudo-second-order model The adsorption kinetics of the system explained by pseudo-second … stretch tubing materialWebBased on the calculated results of the experiment data, the R 2 fitted by the pseudo-first-order kinetic model was 0.987. However, the R 2 fitted by the pseudo-second-order kinetic model was 0.997. The calculated value of equilibrium adsorption Q e, cal fitted by the pseudo-first-order kinetic model was 12.62 mg·g-1. stretch turtleneck customWeb2.2 Pseudo second order (PSO) model PSO model assumes that the rate of adsorption of solute is proportional to the available sites on the adsorbent. And the reaction rate is dependent on the amount of solute on the surface of the adsorbent—the driving force q e q t is proportional to the number of active sites available on the adsorbent [4, 6 ... stretch tubingWebOne way to obtain a pseudo-first order reaction is to use a large excess of one reactant (say, [B]≫ [A]) so that, as the reaction progresses, only a small fraction of the reactant in excess (B) is consumed, and its concentration can be considered to stay constant. stretch tubing exerciseWebBiosorption kinetic data fitted well with pseudo -second order kinetic model (r2≤ 0.9997) giving equilibrium rate constant (k 2) of 0.0350±0.0275 g mg −1 min for Cu (II) loaded biomass and 0.0206±0.0114 g mg −1 min for Pb (II) loaded biomass; the biosorption isotherms for the biosorbent fitted well with Freundlich isotherm model than ... stretch tunic pencil sheath dressWebJul 10, 2024 · The \(R^{2}\) values for the adsorption kinetics of the metal ions were higher for the pseudo-second-order model compared to those of the pseudo-first-order model. Thus, it appears that pseudo-second-order model is a better model fitting the kinetics of the adsorption of the metal ions employed in this study (Figs. 14, 15). stretch turtleneck sweater