Highly active photocatalyst and process for producing the same

Details Highly active photocatalyst and process for producing the same Highly active photocatalyst and process for producing the same

B - Operations, Transporting

01

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B01J 35/02 (2006.01) B01J 23/60 (2006.01) B01J 27/04 (2006.01) B01J 35/00 (2006.01) C01B 3/04 (2006.01) B01J 23/06 (2006.01) B01J 37/20 (2006.01)

Patent

CA 2499579

A photocatalyst which has high catalytic activity, is nontoxic, has a long life, can function in photocatalytic reactions using visible light as it is, and is useful especially for hydrogen generation. The photocatalyst contains a cadmium compound and has a capsule structure having an average particle diameter of 100 nm or smaller. It can be produced by dropping a cadmium salt solution into a sodium compound solution or by adding a sodium compound solution to a suspension of cadmium compound particles and mixing them.

L'invention concerne un photocatalyseur présentant une activité catalytique importante, non toxique, durable, pouvant servir en l'état dans des réaction de photocatalyse avec la lumière visible, en particulier pour la génération d'hydrogène. Le photocatalyseur contient un composé de cadmium et se présente sous forme de capsule ayant un diamètre moyen de particule inférieur ou égal à 100 nm. Le photocatalyseur peut être produit selon un procédé consistant à introduire une solution de sel de cadmium dans une solution de composé de sodium ou à ajouter une solution de composé de sodium à une suspension de particules de composé de cadmium et à les mélanger.

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