Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR TREATING WATER AND ITS APPARATUS
Document Type and Number:
Japanese Patent JP2002035552
Kind Code:
A
Abstract:

To provide a water treating apparatus containing an ozone treating device and a membrane filtering device, which can treat water stably with minimum clogging of the membrane without increasing the injection amount of ozone even for an increase in turbidity of raw water.

The apparatus is characterized in that there are provided a device 4 obtaining a turbidity-removed raw water by reducing the turbidity of the raw water, an ozone injection device 15 obtaining an ozone-injected raw water by injecting ozone to the above turbidity-removed raw water, a membrane filtering device 11 obtaining a membrane-filtration raw water from the above ozone-injected raw water and an activated-carbon treatment device 20 obtaining the treated water from the above membrane-filtration water.


Inventors:
MINEGISHI TORATARO
MIZUNO KENICHIRO
MORI YOSHIHIKO
HASHINO MASATOSHI
ISOMURA KINZO
NAKATANI KENJI
TAKAHASHI KAZUTAKA
KADOKAWA KOMEI
Application Number:
JP2000222785A
Publication Date:
February 05, 2002
Filing Date:
July 24, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON KOKAN KK
ASAHI KASEI CORP
ISOMURA HOUSUI KIKO KK
FUJI ELECTRIC CO LTD
International Classes:
C02F3/06; B01D21/02; B01D21/32; B01D61/16; B01D61/22; C02F1/28; C02F1/44; C02F1/78; C02F9/00; (IPC1-7): B01D61/16; B01D21/02; B01D21/32; B01D61/22; C02F1/28; C02F1/44; C02F1/78; C02F3/06; C02F9/00
Attorney, Agent or Firm:
Takehiko Suzue (4 outside)