Title:
膜分離活性汚泥装置、および水処理方法
Document Type and Number:
Japanese Patent JP6848642
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a siphon-type diffuser pipe which can adjust cell size and intermittent time, a membrane separation activated sludge apparatus and a water treatment method thereof.SOLUTION: A siphon-type diffuser pipe 1 is provided which comprises: a siphon chamber 2 which includes a first siphon chamber 2A and a second siphon chamber 2B provided on the downstream side of the first siphon chamber 2A and stores air; a pipe body part 50 which has a communication part 5 formed therein where the first siphon chamber 2A and the second siphon chamber 2B communicate with each other, has an aeration hole 6 formed on the downstream of the siphon chamber 2, and has a treatment water inflow port 7 formed on the upstream of the siphon chamber 2; air supply means 52 which supplies air to the siphon chamber 2; and opening amount adjustment means 54 which adjusts an opening amount of the treatment water inflow port 7. A membrane separation activated sludge apparatus using the siphon-type diffuser pipe 1 and a water treatment method thereof are also provided.SELECTED DRAWING: Figure 5
Inventors:
Lee Yinyan
Application Number:
JP2017082867A
Publication Date:
March 24, 2021
Filing Date:
April 19, 2017
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C02F3/20; B01D61/14; B01F1/00; B01F3/04; C02F1/44; C02F3/12
Domestic Patent References:
| JP6077898U | ||||
| JP1164495A | ||||
| JP2003205287A | ||||
| JP2018079442A | ||||
| JP63136796U |
Foreign References:
| US20140076806 |
Attorney, Agent or Firm:
Field Saki Satoshi
Shunsuke Fushimi
Kazunori Onami
Masatake Shiga
Tadashi Takahashi
Suzuki Mitsuyoshi
Shunsuke Fushimi
Kazunori Onami
Masatake Shiga
Tadashi Takahashi
Suzuki Mitsuyoshi