Adsorptive separations of alkylphenols using ion-exchange resins

Separation of close boiling point mixtures of alkylphenols, such as p-cresol/2,6-xylenol, m-cresol/2,6-xylenol and p-cresol/ m-cresol has been attempted using commercially available ion-exchange resins. The basic resins selectively adsorb the cresol isomers from their mixtures with 2,6-xylenol. The...

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Bibliographic Details
Published inReactive & functional polymers Vol. 39; no. 3; pp. 227 - 237
Main Authors Anasthas, H.M, Gaikar, V.G
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 15.03.1999
Elsevier Science
Subjects
2,6-Xylenol
Applied sciences
Cresols
Diffusional selectivity
Exact sciences and technology
Exchange resins and membranes
Forms of application and semi-finished materials
Ion-exchange resins
Polymer industry, paints, wood
Separation
Technology of polymers
Thermodynamic selectivity
Diffusional selectivity
Separation
Thermodynamic selectivity
Cresols
2,6-Xylenol
Ion-exchange resins
Solid state
Separation capacity
Liquid solid adsorption
Cresol derivatives
Anionic resin
Selective adsorption
Adsorption isotherm
Phenols
Experimental study
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Summary:Separation of close boiling point mixtures of alkylphenols, such as p-cresol/2,6-xylenol, m-cresol/2,6-xylenol and p-cresol/ m-cresol has been attempted using commercially available ion-exchange resins. The basic resins selectively adsorb the cresol isomers from their mixtures with 2,6-xylenol. The separation seems to be decided by the thermodynamic selectivity in the ion-exchange resin framework with diffusional selectivity also contributing to the separation.
ISSN:1381-5148
DOI:10.1016/S1381-5148(98)00008-X