Title:
凝集膜ろ過方法および凝集膜ろ過装置
Document Type and Number:
Japanese Patent JP7224753
Kind Code:
B2
Abstract:
To provide a membrane filtration method for adding a flocculant to water to be treated to conduct membrane filtration treatment, the membrane filtration method preventing occurrence of membrane clogging, and to provide a membrane filtration device.SOLUTION: A membrane filtration method comprises: an addition step of adding an inorganic flocculation aid and a flocculant to water to be treated; and a membrane filtration step of conducting membrane filtration treatment of the water to which the flocculation aid and the flocculant are added using a filtration device 10 having at least one of a microfiltration membrane and an ultrafiltration membrane.SELECTED DRAWING: Figure 1
Inventors:
Keisuke Takiguchi
Application Number:
JP2017106768A
Publication Date:
February 20, 2023
Filing Date:
May 30, 2017
Export Citation:
Assignee:
Organo Corporation
International Classes:
C02F1/44; B01D61/16; C02F1/52
Domestic Patent References:
| JP2012192325A | ||||
| JP2009240974A | ||||
| JP760249A | ||||
| JP647398A |
Foreign References:
| WO2009020157A1 |
Other References:
村田直樹(外3名),微粉末活性炭と科学的強化逆洗を組み合わせた膜ろ過処理における異臭味物質とトリハロメタン前駆物質の除去性能の向上,土木学会論文集G(環境),2014年,Vol.70,No.7,p.III_81-III_94
Attorney, Agent or Firm:
Patent Attorney Corporation YKI International Patent Office