Determining the Preferred Alkane Carbon ...
Type de document :
Article dans une revue scientifique
URL permanente :
Titre :
Determining the Preferred Alkane Carbon Number (PACN) of nonionic surfactants using the PIT-slope method
Auteur(s) :
Ontiveros, Jesus [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Pierlot, Christel [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Catté, Marianne [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Salager, Jean-Louis [Auteur]
Aubry, Jean-Marie [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Pierlot, Christel [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Catté, Marianne [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Salager, Jean-Louis [Auteur]
Aubry, Jean-Marie [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Titre de la revue :
Colloids and Surfaces A: Physicochemical and Engineering Aspects
Numéro :
536
Pagination :
30-37
Éditeur :
Elsevier
Date de publication :
2018-01-05
Mot(s)-clé(s) en anglais :
PIT-slope method
PACN
Surfactants classification
Surfactants mixture
HLD
Oil scan
PACN
Surfactants classification
Surfactants mixture
HLD
Oil scan
Discipline(s) HAL :
Chimie/Chimie organique
Résumé en anglais : [en]
In this paper the Phase Inversion Temperature (PIT) of the C10E4/n-Octane/0.01 M NaCl(aq) emulsion was used as a reference to determine the changes introduced by adding small amounts of a second surfactant S2. The so-called ...
Lire la suite >In this paper the Phase Inversion Temperature (PIT) of the C10E4/n-Octane/0.01 M NaCl(aq) emulsion was used as a reference to determine the changes introduced by adding small amounts of a second surfactant S2. The so-called PIT-slope method allowed the calculation of the dPIT/dx2 value, i.e. the linear variation of PIT with the molar fraction x2 of second surfactant S2. For nonionics polyethoxylated surfactants CiEj, dPIT/dx2 showed a linear dependency respect to the Preferred Alkane Carbon Number (PACN), one of the parameters of the HLD equation based on phase behavior. We calculated here the PACN from PIT and x2 data for CiEj and other nonionic surfactants derived from isosorbide or glycerol. When possible, the experimental PACN is determined from n-alkane scans at 25 °C, and used to validate the proposed estimation method. The effects of changing the oil nature and water salinity on dPIT/dx2 are discussed in terms of the HLD equation and validates the hypothesis that allows calculate the PACN.Lire moins >
Lire la suite >In this paper the Phase Inversion Temperature (PIT) of the C10E4/n-Octane/0.01 M NaCl(aq) emulsion was used as a reference to determine the changes introduced by adding small amounts of a second surfactant S2. The so-called PIT-slope method allowed the calculation of the dPIT/dx2 value, i.e. the linear variation of PIT with the molar fraction x2 of second surfactant S2. For nonionics polyethoxylated surfactants CiEj, dPIT/dx2 showed a linear dependency respect to the Preferred Alkane Carbon Number (PACN), one of the parameters of the HLD equation based on phase behavior. We calculated here the PACN from PIT and x2 data for CiEj and other nonionic surfactants derived from isosorbide or glycerol. When possible, the experimental PACN is determined from n-alkane scans at 25 °C, and used to validate the proposed estimation method. The effects of changing the oil nature and water salinity on dPIT/dx2 are discussed in terms of the HLD equation and validates the hypothesis that allows calculate the PACN.Lire moins >
Langue :
Anglais
Comité de lecture :
Oui
Audience :
Internationale
Vulgarisation :
Non
Établissement(s) :
ENSCL
Université de Lille
CNRS
Centrale Lille
Univ. Artois
Université de Lille
CNRS
Centrale Lille
Univ. Artois
Collections :
Équipe(s) de recherche :
Colloïdes catalyse oxydation (CÏSCO)
Date de dépôt :
2019-09-25T14:06:38Z
2021-03-16T14:19:09Z
2021-03-16T14:19:09Z
Fichiers
- 2016_COLSUA_Ontiveros_PACN_REV.docx.pdf
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