Patent Number: 6,251,264

Title: Water purification apparatus

Abstract: A method for purifying water containing organic matter includes dispersing photo-catalyst particles and an inorganic coagulant into the water; oxidizing the organic matter by activating the photo-catalyst particles by irradiating them with light; maintaining the diameter of the photo-catalyst particles to be equal to or less than 0.1 mm; and condensing the photo-catalyst particles and the inorganic coagulant.

Inventors: Tanaka; Tetsuya (Chiyoda-machi, JP), Tsuzuki; Koichi (Tsuchiura, JP)

Assignee: Hitachi, Ltd.

International Classification: C02F 1/72 (20060101); C02F 1/32 (20060101); C02F 1/78 (20060101); C02F 001/32 ()

Expiration Date: 06/26/2018