dubininradushkevichanalysis: Dubinin-Radushkevich Isotherm Non-Linear Analysis

In PUPAIM: A Collection of Physical and Chemical Adsorption Isotherm Models

Dubinin-Radushkevich Isotherm Non-Linear Analysis

Description

Dubinin-Radushkevich isotherm model is being utilized to define adsorption energy mechanisms with Gaussian distribution onto heterogeneous surfaces. Specifically, this model works well with an intermediate range of adsorbate concentrations because it shows abnormal asymptotic behavior and is unable to forecast Henry's Law at low pressure.

Usage

dubininradushkevichanalysis(Ce, Qe, Temp)

Arguments

Ce	the numerical value for the equilibrium capacity
Qe	the numerical value for the adsorbed capacity
Temp	temperature

Value

the nonlinear regression, parameters for Dubinin-Radushkevich isotherm, and model error analysis

Author(s)

Jemimah Christine L. Mesias

Chester C. Deocaris

References

Dubinin, M.M. and Radushkevich, L.V. (1947) The Equation of the Characteristic Curve of Activated Charcoal. Proceedings of the Academy of Sciences, Physical Chemistry Section, 55, 331.

Foo, K. Y., and Hameed, B. H. (2009, September 13). <doi:10.1016/j.cej.2009.09.013> Insights into the modeling of adsorption isotherm systems. Chemical Engineering Journal.

Examples

Ce <- c(0.01353, 0.04648, 0.13239, 0.27714, 0.41600, 0.63607, 0.80435, 1.10327, 1.58223)
Qe <- c(0.03409, 0.06025, 0.10622, 0.12842, 0.15299, 0.15379, 0.15735, 0.15735, 0.16607)
Temp <- 298
dubininradushkevichanalysis(Ce, Qe, Temp)

PUPAIM documentation built on May 28, 2022, 1:14 a.m.