Title:
TITANIUM DIOXIDE POROUS FILM, AND METHOD AND APPARATUS FOR TREATING WATER USING THE SAME
Document Type and Number:
Japanese Patent JP2002066278
Kind Code:
A
Abstract:
To provide a water treatment method and apparatus using a titanium dioxide porous film, which requires no regular irradiation with ultraviolet rays, has durability and can decompose organic matter at a high level, capable of continuously removing organic matter by simple apparatus constitution and capable of simply regulating a permeation flux without washing the film.
Water treatment is performed using a titanium dioxide porous film which is a filter film wherein a film based on titanium dioxide is uniformly supported on the outer surface and/or inner surface of a filter base material and has a pore size of <4 nm.
Inventors:
TSURU TOSHIAKI
ASAE MASAJI
YOSHIOKA TOMOHISA
TOYOSADA TERUTAKA
ASAE MASAJI
YOSHIOKA TOMOHISA
TOYOSADA TERUTAKA
Application Number:
JP2000264563A
Publication Date:
March 05, 2002
Filing Date:
August 31, 2000
Export Citation:
Assignee:
JAPAN SCIENCE & TECH CORP
International Classes:
B01D65/08; B01J21/06; B01J35/02; B01J35/10; C02F1/32; C02F1/58; B01D71/02; (IPC1-7): B01D71/02; B01D65/08; B01J21/06; B01J35/02; B01J35/10; C02F1/32; C02F1/58
Attorney, Agent or Firm:
Toshio Nishizawa