Title:
WATER TREATMENT APPARATUS AND METHOD
Document Type and Number:
Japanese Patent JP2023025392
Kind Code:
A
Abstract:
To provide a water treatment apparatus and a water treatment method that are capable of reducing the manpower required when starting up the apparatus and automatically starting up the apparatus and recovering nitrification activity in the water treatment in which to-be-treated water containing ammonia nitrogen is nitrified by biological treatment.SOLUTION: Provided is a water treatment apparatus 1 for nitrifying to-be-treated water containing ammoniacal nitrogen by biological treatment, comprising: a biological treatment tank 10 in which the to-be-treated water is mixed with autotrophic bacteria; supply means for continuously supplying to-be-treated water to the biological treatment tank 10; an ammoniacal nitrogen meter 14 for measuring the ammoniacal nitrogen concentration of the biological treatment water; and a control unit 12 for automatically controlling the flow rate of the to-be-treated water flowing into the biological treatment tank 10 so that the ammoniacal nitrogen concentration of the to-be-treated water remains below a set value.SELECTED DRAWING: Figure 1
Inventors:
HATANAKA HARUHIKO
YUI YOSHINORI
HASEBE YOSHIAKI
YUI YOSHINORI
HASEBE YOSHIAKI
Application Number:
JP2021130603A
Publication Date:
February 22, 2023
Filing Date:
August 10, 2021
Export Citation:
Assignee:
ORGANO KK
International Classes:
C02F3/34; C02F3/00; G05D21/00
Attorney, Agent or Firm:
Patent Attorney Corporation YKI International Patent Office