Physical adsorption on heterogeneous solids

Jaroniec, Mietek

doi:10.1016/0001-8686(83)87002-x

Cited by 215 publications

(118 citation statements)

References 313 publications

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“…In this case K*(=K* S ) is the affinity corresponding with the peak of the distribution function of log K' and eq. (9) is the so-called Langmuir-Freundlich equation [43,44]. A value of n < 1 can also be regarded as negative cooperativity due to a stoichiometry in which one adsorbate molecule occupies more than one binding site, but such behavior is not relevant for surfactants.…”

Section: Langmuir-freundlich-hill (Lfh) Equationmentioning

confidence: 99%

Predictive model of cationic surfactant binding to humic substances

Ishiguro

Koopal

2011

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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The humic substances (HS) have a high reactivity with other components in the natural environment. An important factor for the reactivity of HS is their negative charge. Cationic surfactants bind strongly to HS by electrostatic and specific interaction. Therefore, a surfactant binding model is developed that takes both the specific and electrostatic interactions explicitly into account. The model is analogous to that of ion binding to HS with the NICA-Donnan model,

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Section: Langmuir-freundlich-hill (Lfh) Equationmentioning

confidence: 99%

Predictive model of cationic surfactant binding to humic substances

Ishiguro

Koopal

2011

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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“…Adsorption from solution is a competitive process with equilibrium determined by many factors resulting from adsorbent, adsorbate and solvent properties [1][2][3][4][5][6][7][8]. The porous structure of a solid, its energetic heterogeneity (depending also on a solute) and surface chemical properties (functional groups) are the main factors influencing adsorption equilibria.…”

Section: Introductionmentioning

confidence: 99%

Effect of adsorbate structure on adsorption from solutions

Deryło–Marczewska

Marczewski

2002

Applied Surface Science

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Adsorption of benzene derivatives of various chemical properties from dilute aqueous solutions on the Norit activated carbons is investigated. The experimental systems are analyzed in terms of adsorption theory on energetically heterogeneous solids. The relations between the optimization isotherm parameters, i.e. equilibrium constants and heterogeneity parameters, and the solute properties, e.g. number, character and position of functional groups are discussed. #

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“…There are many different Type I isotherm equations in the literature, both 24 fundamental and empirical, many of which account for factors such as surface 25 energy and pore size distributions (Do 1998;Jaroniec,Madey 1988;Rouquerol et 26 al. 1998;Rudzinski,Everett 1992 that calculates the coverage of adsorbed molecules on a surface with respect to 31 pressure, at a fixed temperature (Langmuir 1918) and assumes an energetically 32 homogenous surface.…”

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confidence: 99%