Characterization of Microporous Carbon Materials by Means of a New Gamma-Type Adsorption Isotherm Equation: I. The Optimization Program Based on the Simulated Annealing Algorithm (SA)

Piotr Kowalczyk; Artur P. Terzyk; Piotr A. Gauden

doi:10.1006/jcis.2001.7848

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Characterization of Microporous Carbon Materials by Means of a New Gamma-Type Adsorption Isotherm Equation: I. The Optimization Program Based on the Simulated Annealing Algorithm (SA)

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Characterization of Microporous Carbon Materials by Means of a New Gamma-Type Adsorption Isotherm Equation: I. The Optimization Program Based on the Simulated Annealing Algorithm (SA)

Piotr Kowalczyk, Artur P. Terzyk and Piotr A. Gauden

Journal of colloid and interface science, Vol.243(2), pp.300-305

2001

DOI: https://doi.org/10.1006/jcis.2001.7848

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Abstract

activated carbon

adsorption

gamma-type isotherm equation

microporosity

pore size distribution

simulated annealing algorithm

A new numerical procedure, based on the simulated annealing algorithm (SA), for optimizing the parameters of a new recently developed gamma-type adsorption isotherm equation is proposed. This procedure is verified for three modeled adsorption isotherms assuming some arbitrarily chosen shapes of the pore size distribution function (asymmetrical bell-shaped functions possessing one or two points of inflection and decreasing to a zero-hyperbolic-like function). To study the properties of the presented algorithm, several different models of temperature decrease were tested. It is shown that the best results are obtained for the models of temperature decreasing rapidly. Additionally, the SA algorithm provides (in a very short time) values of the optimization parameters that are very close to the global minimum of the fitness function. From the practical point of view, the obtained results are satisfactory and the proposed method can be successfully applied to determining the parameters of the microporous structure of activated carbons.

Details

Title: Characterization of Microporous Carbon Materials by Means of a New Gamma-Type Adsorption Isotherm Equation: I. The Optimization Program Based on the Simulated Annealing Algorithm (SA)
Authors/Creators: Piotr Kowalczyk - Department of Respiratory Protection, Military Institute of Chemistry and Radiometry, gen. Chruściel Avenue 105, Warsaw, 00-910, Poland
Artur P. Terzyk - Materials Research Group (United States)
Piotr A. Gauden - Materials Research Group (United States)
Publication Details: Journal of colloid and interface science, Vol.243(2), pp.300-305
Publisher: Elsevier Inc
Identifiers: 991005560454307891
Murdoch Affiliation: Centre for Water, Energy and Waste
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 2 Chemistry; 2.90 Water Treatment; 2.90.27 Adsorption
Web Of Science research areas: Chemistry, Physical
ESI research areas: Chemistry