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Organobentonites with Crystalline Layer Separation Used for Adsorption in Water Treatment
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Author(s): E. Manríquez Reza (Centro de Investigación y Desarrollo Tecnológico en Electroquímica, S.C., Mexico), J.J. Pérez Bueno (Centro de Investigación y Desarrollo Tecnológico en Electroquímica, S.C., Mexico), F. Estrada Arreola (Centro de Investigación y Desarrollo Tecnológico en Electroquímica, S.C., Mexico), L.M. Avilés Arellano (Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Unidad Querétaro, México), J.F. Pérez Robles (Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Unidad Querétaro, México), R. Nava Mendoza (Universidad Autónoma de Querétaro (UAQ), México)and A. Hurtado Macías (Centro de Investigación en Materiales Avanzados, S.C., Mexico)
Copyright: 2015
Pages: 22
Source title:
Handbook of Research on Diverse Applications of Nanotechnology in Biomedicine, Chemistry, and Engineering
Source Author(s)/Editor(s): Shivani Soni (Alabama State University, USA), Amandeep Salhotra (City of Hope National Medical Center, USA)and Mrutyunjay Suar (KIIT University, India)
DOI: 10.4018/978-1-4666-6363-3.ch023
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Abstract
In this chapter, the surface modification of a natural bentonite was performed with surfactants of different ionic nature: HDTMA and TX100 as cationic surfactant and nonionic surfactant, respectively. The results show the successful modification of sodium bentonite with an ionic surfactant and a non-ionic surfactant. It was observed that the modification of bentonite with HDTMA and TX-100 was carried out by different mechanisms. HDTMA on the external surface causes the decreasing in surface area and changes in surface charge. In the case of the clay modified with Triton X-100, surface changes were small. Despite this, it verified the existence of TX-100 in the outer area of the bentonite.
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