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Title:
嫌気性膜分離活性汚泥装置
Document Type and Number:
Japanese Patent JP6941830
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an anaerobic membrane bioreactor (MBR) device that operates in an anaerobic condition and uses anaerobic bacteria.SOLUTION: An anaerobic membrane bioreactor (MBR) device has: a reaction tank that performs biological treatment by active sludge comprising anaerobic microorganisms; a diffusion pipe that agitates the active sludge inside the reaction tank by inert gas; and a membrane separation tank that subjects the water after biological treatment to membrane separation in order to obtain a membrane-treated water. The MBR device treats wastewater comprising nitrate nitrogen.SELECTED DRAWING: Figure 1

Inventors:
Takuto Goto
Atsushi Ogata
Tomoyuki Hori
Yuya Sato
Inaba Chida
Application Number:
JP2017042829A
Publication Date:
September 29, 2021
Filing Date:
March 07, 2017
Export Citation:
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Assignee:
jfe Steel Corporation
National Institute of Advanced Industrial Science and Technology
International Classes:
C02F3/28; B01D65/02; C02F1/44; C02F3/34; C12N1/20
Domestic Patent References:
JP2003047989A
JP4131182A
JP2000117278A
JP2004154700A
JP2012500002A
JP60149377A
JP2001149998A
JP5535963A
Attorney, Agent or Firm:
Hideaki Ito
Hirohisa Hachiya