Adsorption of surfactants on mineral oxide surfaces from aqueous solutions. Part 1. Isomerically pure anionic surfactants
The adsorption of surfactants on minerals is detrimental to surfactant-enhanced oil recovery. To minimize adsorption, the forces tending to cause it must be understood. This requires the study of relatively simple, well-defined systems. The majority of surfactant adsorption studies on mineral oxides has been made with surfactant mixtures and not with monoisomerically pure species. Some of the observed results may be due to complex surfactant intercomponent interactions. In this study, the adsorption of 3 isomerically pure alkylbenzene sulfonates was measured on alumina and kaolinite from very low concentrations to well above the critical micelle concentration and a thermodynamic model was developed, which describes the observed isotherms. 59 references.
- OSTI ID:
- 6753479
- 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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ADSORPTION
ADSORPTION ISOTHERMS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ALUMINIUM SILICATES
AQUEOUS SOLUTIONS
CHALCOGENIDES
DISPERSIONS
ENHANCED RECOVERY
ESTERS
ISOTHERM
KAOLINITE
MATHEMATICAL MODELS
MINERALS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTICLE MODELS
QUANTITY RATIO
RECOVERY
SILICATE MINERALS
SILICATES
SILICON COMPOUNDS
SOLUTIONS
SORPTION
SORPTIVE PROPERTIES
STATISTICAL MODELS
SULFONATES
SULFONIC ACID ESTERS
SURFACE PROPERTIES
SURFACTANTS
THERMODYNAMIC MODEL