Document
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Entity
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Adsorption Science and Technology
type: Journal
type: Collection
type: Thing
publication venue for: Equilibrium and kinetic adsorption of organic compounds onto organobentonite: Application of a surface diffusion model
type: Information Content Entity
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type: Generically Dependent Continuant
type: Periodical
type: Document
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Generically Dependent Continuant
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RDF description of Equilibrium and kinetic adsorption of organic compounds onto organobentonite: Application of a surface diffusion model - http://orbis.uaslp.mx/vivo/individual/scopus2808
rights: termsOfUse
date: 2026-08-28T01:50:25
publisher: vivo
type: Document

Article
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Information Content Entity
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Equilibrium and kinetic adsorption of organic compounds onto organobentonite: Application of a surface diffusion model
estado: published
type: Continuant
freetext keyword: Active site; Adsorption capacities; Adsorption rates; Effect of pH; Experimental data; Intra-particle diffusion; Methyl blue; Methylene Blue; Organobentonites; Organoclays; Overall rate; pH range; Pore volume; Sulphonic acids; Surface diffusion model; Adsorption; Aromatic compounds; Naphthalene; Organic acids; pH effects; Surface diffusion
accesstype: All Open Access, Bronze
page end: 1024
most specific type: Document
type: Article
abstract: The equilibrium and kinetic adsorption of Methylene Blue (MB), Methyl Blue (MTB) and 1-naphthalene sulphonic acid (NSA) onto organobentonite was investigated. The effect of pH on the adsorption capacity was studied by determining the adsorption isotherm over the pH range 3-12. The results showed that the maximum adsorption capacity at 25 °C of the organobentonite towards the removal of the compounds studied occurred at pH = 3 for MTB and NSA and at pH = 11 for MB. The experimental adsorption rate data were interpreted via a diffusional model that considered the external mass transport, intraparticle diffusion and adsorption onto an active site, intraparticle diffusion being considered as both pore volume and surface diffusion. The surface diffusion model fitted the experimental data quite well, thereby indicating that the overall rate of adsorption was controlled by surface diffusion. Furthermore, the surface diffusion coefficient increased by augmenting the mass of MB, MTB and NSA adsorbed at equilibrium. In addition, the surface diffusion model was used to interpret experimental data cited in the literature, thereby showing that surface diffusion plays an important role in the adsorption of organic compounds onto organoclays.
most specific type: Article
related by: authorship_16550
type: Information Content Entity
type: Entity
related by: authorship_16548
issue: 10
volume: 29
e iscopus: 2-s2.0-84861505481
type: Thing
type: Generically Dependent Continuant
crisid: 2809
has publication venue: Adsorption Science and Technology
origen: scopus
date time value: article date 2809
type: Document
page start: 1007
doi: 10.1260/0263-6174.29.10.1007
related by: authorship_16549