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Thermal analytical, photochemical and electrochemical study of structured clay-8-hydroxyquinoline structured system with heavy metal ions

Grant number: 07/01626-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2007
Effective date (End): August 31, 2007
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal researcher:Fernando Luis Fertonani
Grantee:Guilherme Campos de Carvalho
Home Institution: Instituto de Biociências, Letras e Ciências Exatas (IBILCE). Universidade Estadual Paulista (UNESP). Campus de São José do Rio Preto. São José do Rio Preto , SP, Brazil


The clay present important properties such as its great surface area and its capacity of forming colloids when dispersed in water. Therefore the clays awake great industrial interest as catalyst, beyond being used in a series of analytical applications. As these materials present low cost, easy attainment and possibility of being reused, the clay proprieties have been made into object of study in the metal removal in systems as those found in Stations of Water Treatment.The use of this technology presents advantages in relation to others such as the acid washing technology and the chelation technology. The study of new technologies of heavy metal remediation proves itself vital due to the diverse toxic effect revealed when these pollutants are absorbed by organisms. Studies of binary and ternary systems containing clay, organic molecule and metals, have been carried out for various researchers and have been taken as subject of master degree dissertations and doctorate thesis. Experimental results indicate that organic molecules found in the organophylic clay composites act enhancing the chelating effect to metal removal in comparison with pure clay alone. Hence this project aims to study the clay-8-Hydroxyquinoline structured system and its interaction with heavy metals ions, like Cu(II) and Pb(II), which are pollution tracers.

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