CLAYCATS Porto Santo clays modified as catalysts of organic reactions in liquid phase
- Universidade da Madeira(líder)
- Universidade de Évora(parceiro)
Summary
This project involves the characterisation and modification of clays obtained at Serra de Dentro, Porto Santo Island, for application as catalysts in important liquid phase organic reactions. The team of Universidade de Évora investigates the alterations in structure, surface area and porosity, resulting from various modification treatments, namely: cationic exchange with Na, Al, Ca, Cr, Ni or Fe ions; pillaring with Al-, Cr- and mixed metal Al/Cr oxides; acid activation at different temperatures, contact time and concentration. These studies are carried out by powder X ray diffraction, FTIR, nitrogen adsorption at 77K, n-pentane adsorption at 298K and by the n-nonane pre-adsorption method.
Goals, activities and expected/achieved results
Goals
Preparação de catalisadores com propriedades moduladas, a partir de modificação de argilas, para a obtenção selectiva de p-cimeno a partir do limoneno
Activities
Dos trabalhos realizados resultaram publicações em revistas e proceedings de conferências, e comunicações em congressos científicos nacionais e internacionais.