JPS53116892A - Continuous type speed measuring device using oxygen - Google Patents

Continuous type speed measuring device using oxygen

Info

Publication number
JPS53116892A
JPS53116892A JP3104477A JP3104477A JPS53116892A JP S53116892 A JPS53116892 A JP S53116892A JP 3104477 A JP3104477 A JP 3104477A JP 3104477 A JP3104477 A JP 3104477A JP S53116892 A JPS53116892 A JP S53116892A
Authority
JP
Japan
Prior art keywords
oxygen
measuring device
speed measuring
continuous type
type speed
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
JP3104477A
Other languages
Japanese (ja)
Inventor
Haruhiro Ogata
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3104477A priority Critical patent/JPS53116892A/en
Publication of JPS53116892A publication Critical patent/JPS53116892A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
    • G01N33/0067—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Activated Sludge Processes (AREA)

Abstract

PURPOSE:To continuously detect the oxygen consuming speed of a sludge by obtaining the angle of inclination, at which the measured value of the dissolved oxygen concentration in the sludge in a bath by a recorder is decreased from a preset upper limit to a lower limit.
JP3104477A 1977-03-23 1977-03-23 Continuous type speed measuring device using oxygen Pending JPS53116892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3104477A JPS53116892A (en) 1977-03-23 1977-03-23 Continuous type speed measuring device using oxygen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3104477A JPS53116892A (en) 1977-03-23 1977-03-23 Continuous type speed measuring device using oxygen

Publications (1)

Publication Number Publication Date
JPS53116892A true JPS53116892A (en) 1978-10-12

Family

ID=12320471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3104477A Pending JPS53116892A (en) 1977-03-23 1977-03-23 Continuous type speed measuring device using oxygen

Country Status (1)

Country Link
JP (1) JPS53116892A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104395A (en) * 1987-10-19 1989-04-21 Hitachi Plant Eng & Constr Co Ltd Active sludge monitoring device
US5807699A (en) * 1992-03-27 1998-09-15 Thames Water Utilities Limited Apparatus and method for monitoring condition of a biomass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104395A (en) * 1987-10-19 1989-04-21 Hitachi Plant Eng & Constr Co Ltd Active sludge monitoring device
US5807699A (en) * 1992-03-27 1998-09-15 Thames Water Utilities Limited Apparatus and method for monitoring condition of a biomass

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