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A platform for research: civil engineering, architecture and urbanism
Effects of surfactants on aqueous foams properties: a step towards mineral foams
This study focus on foaming properties of three surfactants: α-olefin sulphonate sodium salt (Hostapur OSB), Trimethyl tetradecyl ammonium bromide (Cetrimide) and Hexadecyl trimethyl ammonium bromide (CTAB) usable for mineral foaming. The ability of these surfactants to reduce surface tension is evaluated. Foamability and foam stability of aqueous foams made up with these surfactants are assessed at different concentrations, using the Dynamic Foam Analyzer providing parameters which describe the foaming and decay phases. They considerably depend on the type of surfactant and its concentration. By analysing the bubble size distribution, the relationship between the stability and the foam structure can be observed. The Hostapur OSB appears to be the most efficient surfactant in terms of stability and foamability, representing the thinnest foam structure and the highest characteristic times (deviation, transition and half-life) at CMC (critical micelle concentration).
Effects of surfactants on aqueous foams properties: a step towards mineral foams
This study focus on foaming properties of three surfactants: α-olefin sulphonate sodium salt (Hostapur OSB), Trimethyl tetradecyl ammonium bromide (Cetrimide) and Hexadecyl trimethyl ammonium bromide (CTAB) usable for mineral foaming. The ability of these surfactants to reduce surface tension is evaluated. Foamability and foam stability of aqueous foams made up with these surfactants are assessed at different concentrations, using the Dynamic Foam Analyzer providing parameters which describe the foaming and decay phases. They considerably depend on the type of surfactant and its concentration. By analysing the bubble size distribution, the relationship between the stability and the foam structure can be observed. The Hostapur OSB appears to be the most efficient surfactant in terms of stability and foamability, representing the thinnest foam structure and the highest characteristic times (deviation, transition and half-life) at CMC (critical micelle concentration).
Effects of surfactants on aqueous foams properties: a step towards mineral foams
Mortada, Nourhan (author) / Phelipot-Mardelé, Annabelle (author) / Lanos, Christophe (author)
European Journal of Environmental and Civil Engineering ; 26 ; 7307-7318
2022-11-09
12 pages
Article (Journal)
Electronic Resource
Unknown