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

1994-07-11

1996-07-30

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Carrier-bound or immobilized enzyme or microbial cell;...

Enzyme or microbial cell is immobilized on or in an...

435243, 4352521, 435262, 435264, 210601, B01J 1908, B01J 2116, B01J 3502, C12N 1114

Patent

active

055410960

ABSTRACT:
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 photocatalyst 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 photocatalysts 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.

REFERENCES:
patent: 4859594 (1989-08-01), Portier
Patent Abstract of Japan, vol. 13 No. 56 (C-566) Feb. 1989 re JP A 63 248 443.
Patent Abstract of Japan, vol. 9 No. 267 (C-310) Oct. 1985 re JP A 60 118 236.

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