Title:
好気性生物処理装置及びその運転方法
Document Type and Number:
Japanese Patent JP6858146
Kind Code:
B2
Abstract:
An aerobic organism treatment device 1 has: a reaction tank (tank body) 2; a water-permeable plate 3 arranged horizontally at the bottom of the reaction tank 2; a large-diameter particle layer 4 formed on the upper side of the water-permeable plate 3; a small-diameter particle layer 5 formed on the upper side of the large-diameter particle layer 4; an oxygen dissolution film module 6 disposed on the upper side of the small-diameter particle layer 4; a receiving chamber 7 formed on the lower side of the water-permeable plate 3; a raw water dispersion tube 8 that supplies raw water into the receiving chamber 7; an air-diffusing tube 9 arranged so as to diffuse air inside the receiving chamber 7; etc. The average particle diameter of activated carbon in a fluidized bed F is set at 0.2-1.2 mm, and LV is set at 30 m/hr or less.
Inventors:
Tetsuro Fukase
Hideki Kobayashi
Hideki Kobayashi
Application Number:
JP2018028199A
Publication Date:
April 14, 2021
Filing Date:
February 20, 2018
Export Citation:
Assignee:
Kurita Water Industries Ltd.
International Classes:
C02F3/08; B01D63/02; B01F1/00; B01F3/04; B01F5/06; C12M1/40
Domestic Patent References:
| JP64090093A | ||||
| JP2013515605A | ||||
| JP2008043882A | ||||
| JP3038289A |
Foreign References:
| US20160009578 |
Attorney, Agent or Firm:
Tsuyoshi Shigeno