Title:
限外ろ過膜の製造方法、限外ろ過膜装置、超純水製造装置及び超純水製造方法
Document Type and Number:
Japanese Patent JP6783281
Kind Code:
B2
Abstract:
To provide a preparation method of an ultrafiltration membrane where high performance and high reliability of the ultrafiltration membrane can be achieved by a simple method, and to provide an ultrafiltration membrane device which has the ultrafiltration membrane prepared by such the preparation method, which has high performance and high reliability and which can suppress costs.SOLUTION: Performance of an ultrafiltration membrane for removing particles is improved by treatment adding fine particles to the ultrafiltration membrane after passing through preparative water containing the fine particles to the ultrafiltration membrane.SELECTED DRAWING: Figure 1
Inventors:
Hiroshi Sugawara
Fumitaka Ichihara
Fumitaka Ichihara
Application Number:
JP2018188303A
Publication Date:
November 11, 2020
Filing Date:
October 03, 2018
Export Citation:
Assignee:
Organo Corporation
International Classes:
B01D61/20; B01D65/10; C02F1/42; C02F1/44
Domestic Patent References:
| JP2014000548A | ||||
| JP2007313421A | ||||
| JP2007229718A | ||||
| JP2008062119A | ||||
| JP2010058109A |
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata