adsorption-desorption of catalyst

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• Reactions on surfaces — By reactions on surfaces it is understood reactions in which at least one of the steps of the reaction mechanism is the adsorption of one or more reactants. The mechanisms for these reactions, and the rate equations are of extreme importance for… …   Wikipedia

• Rotating ring-disk electrode — A rotating ring disk electrode (RRDE) [Albery W.J.; Hitchman M.L. Ring Disc Electrodes Oxford: Clarendon Press 1971 (ISBN 978 0198553496)] is double working electrode used in hydrodynamic voltammetry, very similar to a rotating disk electrode… …   Wikipedia

• Catalysis — Catalyst redirects here. For other uses, see Catalyst (disambiguation). Solid heterogeneous catalysts such as in automobile catalytic converters are plated on structures designed to maximize their surface area …   Wikipedia

• Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …   Wikipedia

• catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… …   Universalium

• Surface diffusion — [ adatom diffusing across a square surface lattice. Note the frequency of vibration of the adatom is greater than the jump rate to nearby sites. Also, the model displays examples of both nearest neighbor jumps (straight) and next nearest neighbor …   Wikipedia

• Ruthenium — (pronEng|ruːˈθiːniəm) is a chemical element that has the symbol Ru and atomic number 44. A rare transition metal of the platinum group of the periodic table, ruthenium is found associated with platinum ores and used as a catalyst in some platinum …   Wikipedia

• Polythiophene — The monomer repeat unit of unsubstituted polythiophene …   Wikipedia

• Phase Boundary Catalysis — (PBC) in chemistry is a type of heterogeneous catalytic system which facilitates the chemical reaction of a particular chemical component in immiscible phase react on a catalytic active site located at phase boundary. The chemical component is… …   Wikipedia

• Stockage d'hydrogène — Le stockage de l’hydrogène désigne la mise en réserve de l élément chimique Hydrogène en vue de sa mise a disposition. Le but des différentes techniques envisagées est pour une grande part l utilisation de l hydrogène à des fins énergétiques en… …   Wikipédia en Français

• Stockage de l'hydrogène — Stockage d hydrogène Le stockage de l’hydrogène désigne la mise en réserve de l élément chimique Hydrogène en vue de sa mise a disposition. Le but des différentes techniques envisagées est pour une grande part l utilisation de l hydrogène à des… …   Wikipédia en Français