Repository of Research and Investigative Information

Repository of Research and Investigative Information

Kurdistan University of Medical Sciences

Prediction of optimum adsorption isotherm: Comparison of chi-square and Log-likelihood statistics

(2012) Prediction of optimum adsorption isotherm: Comparison of chi-square and Log-likelihood statistics. Desalination and Water Treatment.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

A comparison of chi-square (X2) and Log-likelihood (G2) statistics of 19 adsorption isotherm models-seven two-parameter models (Langmuir, Freundlich, Dubinin-Radushkevich, Temkin, Jovanovic, Harkins-Jura and Halsey) and 12 three-parameter models (Koble-Corrigan, Langmuir-Freundlich, Tóth, Redlich-Peterson, Radke-Prausnitz (three models), Fritz-Schlunder, Jossens, Khan, UNILAN, Vieth-Sladek) have been applied to the experiment of two dyes (Acid Blue 113, Acid Black 1) sorption onto Granular PineCone derived Activated Carbon (GPAC) and three dyes (Acid Blue 80, Acid Red 114, Acid Yellow 117) sorption onto Granular Activated Carbon type Filtrasorb 400 (GAC F400). The study has focused on the assessment of the adequacy and goodness of the fitted models, using two well-known--X2 and G2--statistics. The results showed that G2 could be better than X2 statistic when the number of model parameters is three. © 2012 Desalination Publications. All rights reserved.

Item Type: Article
Keywords: Adsorption; Chi-square statistic; Isotherm models; Log-likelihood statistic
Page Range: pp. 81-94
Journal or Publication Title: Desalination and Water Treatment
Volume: 49
Number: 1-3
Identification Number: 10.1080/19443994.2012.708202
ISSN: 19443994
Depositing User: مهندس جمال محمودپور
URI: http://eprints.muk.ac.ir/id/eprint/1381

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