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Adsorption of surfactants on mineral oxide surfaces from aqueous solutions. Part 3. Binary mixtures of anionic and nonionic surfactants

Journal Article · · J. Colloid Interface Sci.; (United States)
; ;

In this study, the adsorption of binary mixtures of an isomerically pure alkylbenzene sulfonate and a polydisperse alkylphenol polyoxyethylene was measured on kaolinite and alumina at a total surfactant concentration which was at least an order of magnitude above the critical micelle concentration. The effects of the nonionic detergent polyoxyethylene chain length, the alkyl chain length of both surfactants, and the substrate are discussed. The effect of the number of ethylene oxide (EO) units in the nonionic surfactant on total and component adsorption is shown graphically. The adsorption of each adsorbate comprising the mixture and the total adsorption decreases with increasing number of ethylene oxide units in the polyethoxylate. The binary surfactant adsorption model was used to predict the total adsorption for the mixture with 9 EO units in the polyethoxylate. 20 references.

OSTI ID:
6740030
Journal Information:
J. Colloid Interface Sci.; (United States), Journal Name: J. Colloid Interface Sci.; (United States) Vol. 85:2; ISSN JCISA
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ADSORPTION
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ALUMINIUM SILICATES
AQUEOUS SOLUTIONS
BINARY MIXTURES
CHALCOGENIDES
DISPERSIONS
DISPLACEMENT FLUIDS
ENHANCED RECOVERY
ESTERS
FLUIDS
KAOLINITE
MINERALS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLYMERS
RECOVERY
SILICATE MINERALS
SILICATES
SILICON COMPOUNDS
SOLUTIONS
SORPTION
SORPTIVE PROPERTIES
SULFONATES
SULFONIC ACID ESTERS
SURFACE PROPERTIES
SURFACTANTS