Title:
WASTE WATER TREATMENT UNIT
Document Type and Number:
Japanese Patent JP2005177581
Kind Code:
A
Abstract:
To provide a waste water treatment unit by which nitrogen in waste water can be removed at a low cost by a biological treating method without changing the structure of an existing aerobic treatment tank.
This waste water treatment unit has at least a main body at least a part of the sidewall surface of which is formed from an immobilizing material having water permeability and capable of immobilizing an aerobic bacterium and an anaerobic bacterium and which is used in such a state that the main body is immersed in the aerobic treatment tank and has a vessel-like shape. The specific gravity of the main body is ≤1 as a whole.
Inventors:
TAKATSUJI WATARU
SAKAI YUKIHIRO
YAMAGIWA HIDEMASA
KATO HISAKI
MAEDA MASARU
KAKIUCHI IKUO
SAKAI YUKIHIRO
YAMAGIWA HIDEMASA
KATO HISAKI
MAEDA MASARU
KAKIUCHI IKUO
Application Number:
JP2003420237A
Publication Date:
July 07, 2005
Filing Date:
December 18, 2003
Export Citation:
Assignee:
WAKAYAMA PREFECTURE
CHUKI SEIKI KK
CHUKI SEIKI KK
International Classes:
C12M1/00; C02F3/06; C02F3/30; (IPC1-7): C02F3/06; C02F3/30; C12M1/00
Attorney, Agent or Firm:
Katsunori Sugimoto
Previous Patent: APPARATUS FOR EXTRACTING ORGANIC MATERIAL
Next Patent: METHOD AND APPARATUS FOR TREATING WASTE SUCH AS HYDROXIDE AND METAL OXIDE
Next Patent: METHOD AND APPARATUS FOR TREATING WASTE SUCH AS HYDROXIDE AND METAL OXIDE