Photocatalyst and process for purifying water with same

Details Photocatalyst and process for purifying water with same Photocatalyst and process for purifying water with same

C - Chemistry, Metallurgy

12

N

C12N 11/14 (2006.01) B01J 19/12 (2006.01) B01J 35/00 (2006.01) B01J 35/02 (2006.01) B01J 37/02 (2006.01) C02F 1/30 (2006.01) C02F 1/32 (2006.01) C02F 1/72 (2006.01) C02F 3/10 (2006.01)

Patent

CA 2117397

A photocatalyst comprising inorganic porous particles having photosemiconductor particles deposited on at least a part of the surfaces and at least a part of the walls of the pores of the particles, and a photo-catalyst comprising inorganic porous particles having photosemiconductor particles and microorganisms possessing water purification activity deposited on at least a part of the surfaces and at least a part of the walls of the pores of the particles are disclosed. The photo-catalysts have a stable photocatalytic function for an extended period of time and easy separability from the treated water system so that it is useful for various photocatalytic reactions. Particularly they can be effectively used in water purification, and allow annihilation of harmful organisms such as algae, fungi and bacteria, decomposition of deleterious materials, as well as deodorization and decoloration to be conveniently and easily accomplished.

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