The adsorption of acid dye onto peat from aqueous solution-solid diffusion model

Stephen J. Allen*, Gordon McKay, Kayed Y.H. Khader

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Adsorption rates of Acid Blue 25 onto peat in a batch adsorption system have been studied. A two-resistance mass transfer model based on film resistance and homogeneous solid-phase diffusion has been presented. The experimental results and theoretical model output are in close agreement over a vast range of operating conditions using a single external mass transfer coefficient and a single effective solid diffusivity for a peat size range.

Original languageEnglish
Pages (from-to)517-524
Number of pages8
JournalJournal of Colloid and Interface Science
Volume126
Issue number2
DOIs
Publication statusPublished - Dec 1988
Externally publishedYes

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