Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SPIRAL TYPE MEMBRANE MODULE AND OPERATION AND WASHING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2000271458
Kind Code:
A
Abstract:

To provide a low cost, easily washable and highly reliable spiral type membrane module, and its operation method.

The spiral type membrane module is formed by loading a spiral type membrane element 1 in a pressure container 10. The spiral type membrane element 1 is constituted by covering a spiral-shaped membrane element consisting of a plurality of independent or continuous envelope-like membranes on the outer peripheral surface via raw water spacers with a separation membrane and further covering the resultant assembly with an outer peripheral part flow path material. A raw water inlet 13 is provided on the pressure container 10 and a piping 19 for feeding raw water is connected to it. The piping 19 is further connected to a piping 20 for discharging washed liquid.


Inventors:
KAWASHIMA TOSHIYUKI
KAWADA ICHIRO
HISADA HAJIME
Application Number:
JP15870699A
Publication Date:
October 03, 2000
Filing Date:
June 04, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NITTO DENKO CORP
International Classes:
B01D63/10; B01D61/02; B01D61/14; B01D63/12; B01D65/02; B01D65/06; (IPC1-7): B01D63/10; B01D61/02; B01D61/14; B01D63/12; B01D65/02; B01D65/06
Attorney, Agent or Firm:
Fukushima Shoto