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Artículo

Surface and interface properties of benzethonium chloride-montmorillonite

Türker, S.; Yarza, FlorenciaIcon ; Sánchez Torres, R.M.; Yapar, S.
Fecha de publicación: 05/2017
Editorial: Elsevier Science
Revista: Colloids and Surfaces A: Physicochemical and Engineering Aspects
ISSN: 0927-7757
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Químicas

Resumen

In this work, Montmorillonite (Mt) obtained from Tokat, Reşadiye region having 0.91 mmol/g cation exchange capacity was modified by using Benzethonium Chloride (BZT). Organoclays, from Mt and BTZ, were prepared by using conventional and microwave heating methods and BTZ in amounts equivalent to 50%, 100% or 200% of CEC of clay. The samples were characterized by XRD, ATR-FTIR, SEM, Thermal analyses and Zeta Potential measurements. Kinetic experiments revealed that adsorption kinetic of BTZ was very fast when the BTZ amount was less than 80% of CEC. The adsorption kinetics fitted to pseudo second order kinetic model for BTZ amounts of 80% and 100% CEC. Adsorption behavior of BTZ on montmorillonite was explained by Sips isotherm model. XRD results indicated that the basal spacing of the clay increased up to 2.85 nm with increasing amount of BTZ and a pseudo trimolecular layer formed in the interlayer. The results of Zeta potential measurements and XRD analyses confirmed the distribution of BTZ between external and internal surfaces.
Palabras clave: BENZETHONIUM CHLORIDE , MONTMORILLONITE , INTERFACE , SURFACE
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/100411
DOI: http://dx.doi.org/10.1016/j.colsurfa.2017.02.019
URL: https://www.sciencedirect.com/science/article/abs/pii/S0927775717301462
Colecciones
Articulos(CETMIC)
Articulos de CENTRO TECNOL.DE REC.MINERALES Y CERAMICA (I)
Citación
Türker, S.; Yarza, Florencia; Sánchez Torres, R.M.; Yapar, S.; Surface and interface properties of benzethonium chloride-montmorillonite; Elsevier Science; Colloids and Surfaces A: Physicochemical and Engineering Aspects; 520; 5-2017; 817-825
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