1. Different classes of catalysts and their physico-chemical properties
1.1 Nature of sites according to catalysts
Solid catalysts can be divided into two categories
conductors of electric current: metals and semiconductors are active in redox reactions. Their catalytic action can be linked to their role as reservoirs of electrons, which can then be exchanged with the reactants;
insulators which catalyze reactions attributable to acids or bases in homogeneous catalysis: dehydration,...
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Different classes of catalysts and their physico-chemical properties
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GECat Groupe d'étude en Catalyse http://www.gecat.fr (member of the European Federation of Catalysis Societies (EFCATS, http://www.efcats.org )
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