JPS51125951A - Control device for an air exposure tank - Google Patents

Control device for an air exposure tank

Info

Publication number
JPS51125951A
JPS51125951A JP50049640A JP4964075A JPS51125951A JP S51125951 A JPS51125951 A JP S51125951A JP 50049640 A JP50049640 A JP 50049640A JP 4964075 A JP4964075 A JP 4964075A JP S51125951 A JPS51125951 A JP S51125951A
Authority
JP
Japan
Prior art keywords
control device
air exposure
exposure tank
tank
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50049640A
Other languages
English (en)
Inventor
Tadao Hashimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50049640A priority Critical patent/JPS51125951A/ja
Publication of JPS51125951A publication Critical patent/JPS51125951A/ja
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Activated Sludge Processes (AREA)
JP50049640A 1975-04-25 1975-04-25 Control device for an air exposure tank Pending JPS51125951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50049640A JPS51125951A (en) 1975-04-25 1975-04-25 Control device for an air exposure tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50049640A JPS51125951A (en) 1975-04-25 1975-04-25 Control device for an air exposure tank

Publications (1)

Publication Number Publication Date
JPS51125951A true JPS51125951A (en) 1976-11-02

Family

ID=12836796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50049640A Pending JPS51125951A (en) 1975-04-25 1975-04-25 Control device for an air exposure tank

Country Status (1)

Country Link
JP (1) JPS51125951A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651288A (en) * 1979-10-02 1981-05-08 Toshiba Corp Control system for making dissolved oxygen in aeration tank constant
JP2009279508A (ja) * 2008-05-21 2009-12-03 Nissin Electric Co Ltd 排水処理方法およびそれに用いる計装制御装置、排水処理設備

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506982A (ja) * 1973-05-25 1975-01-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506982A (ja) * 1973-05-25 1975-01-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651288A (en) * 1979-10-02 1981-05-08 Toshiba Corp Control system for making dissolved oxygen in aeration tank constant
JP2009279508A (ja) * 2008-05-21 2009-12-03 Nissin Electric Co Ltd 排水処理方法およびそれに用いる計装制御装置、排水処理設備

Similar Documents

Publication Publication Date Title
JPS51124738A (en) Air fuel ratio control apparatus
JPS5367121A (en) Combustion control device
JPS51125951A (en) Control device for an air exposure tank
JPS5237692A (en) Flow controller
JPS5228155A (en) Humidity generator
JPS5263591A (en) Recirculation flow quantity control device in boiling water type atomi c pile
JPS5212834A (en) Development device
JPS51123937A (en) Device for preventing freezing in hot water boiler
JPS5216555A (en) Continuous recovery of polyvinyl alcohol
JPS52103109A (en) Vehicle control device
JPS51124735A (en) A control apparatus for the fuel amount control apparatus
JPS51130951A (en) Thermoregulator utilizing heat pipe
JPS5245226A (en) Defect supporting system of memory device
JPS5220987A (en) New dehydrating agent
JPS52151427A (en) Idle-up system for auto-cooler
JPS5376229A (en) Air-fuel ratio controlling apparatus of carburetor for automobile in deceleration
JPS52119539A (en) Flow quantity control device
JPS5362522A (en) Determining device for exposure requirements
JPS5336719A (en) Overflow preventing device for liquid feeding apparatus
JPS52106079A (en) Controller
JPS5375835A (en) Hysteresis recording device for program
JPS5333408A (en) Electromagnetic hot water pouring device
JPS52131039A (en) Fuel supply device for acceleration
JPS525037A (en) Control device for water amount in a sprinkling cooling tower
JPS52136093A (en) Automatic pachinko apparatus