Static and dynamic adsorption of anionic and nontonic surfactants
Conference
·
OSTI ID:7325123
The adsorption of commercial polyoxyethylene nonylphenols and alkylbenzene sulfonates has been studied by measuring the surfactant breakthrough from Berea cores. A rate model, which reduces to a Langmuir-type isotherm at equilibrium, represented these dynamic results and successfully predicted the equilibrium isotherms determined by static experiments. The ratio of both adsorption and desorption was determined and observed to increase with the number of ethylene oxide groups. Adsorption of the nonionic surfactant appeared to be by hydrogen bonding and the amount adsorbed per unit of area was the same on a number of metal oxide substrates. Negligible adsorption was observed per sulfonates with an alkyl chain length of 9 or less.
- OSTI ID:
- 7325123
- Report Number(s):
- CONF-761008-178
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ADSORPTION
AROMATICS
BENCH-SCALE EXPERIMENTS
ESTERS
HYDROXY COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PHENOLS
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SORPTION
SORPTIVE PROPERTIES
SULFONIC ACID ESTERS
SURFACE PROPERTIES
SURFACTANTS
020300* -- Petroleum-- Drilling & Production
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ADSORPTION
AROMATICS
BENCH-SCALE EXPERIMENTS
ESTERS
HYDROXY COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PHENOLS
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SORPTION
SORPTIVE PROPERTIES
SULFONIC ACID ESTERS
SURFACE PROPERTIES
SURFACTANTS