JPS5428695A - Mlss concentration controller - Google Patents

Mlss concentration controller

Info

Publication number
JPS5428695A
JPS5428695A JP9435377A JP9435377A JPS5428695A JP S5428695 A JPS5428695 A JP S5428695A JP 9435377 A JP9435377 A JP 9435377A JP 9435377 A JP9435377 A JP 9435377A JP S5428695 A JPS5428695 A JP S5428695A
Authority
JP
Japan
Prior art keywords
concentration controller
mlss concentration
return sludge
sludge quantity
cocentrations
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.)
Granted
Application number
JP9435377A
Other languages
Japanese (ja)
Other versions
JPS5756726B2 (en
Inventor
Mitsutoshi Sano
Shunji Osada
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9435377A priority Critical patent/JPS5428695A/en
Publication of JPS5428695A publication Critical patent/JPS5428695A/en
Publication of JPS5756726B2 publication Critical patent/JPS5756726B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Activated Sludge Processes (AREA)
  • Control Of Non-Electrical Variables (AREA)

Abstract

PURPOSE:To enable the MISS (mixed liquid suspended solids) cocentrations in aeration tanks by contrasting actual return sludge quantity and command return sludge quantity and regulating valve opening from the deviation thereof.
JP9435377A 1977-08-05 1977-08-05 Mlss concentration controller Granted JPS5428695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9435377A JPS5428695A (en) 1977-08-05 1977-08-05 Mlss concentration controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9435377A JPS5428695A (en) 1977-08-05 1977-08-05 Mlss concentration controller

Publications (2)

Publication Number Publication Date
JPS5428695A true JPS5428695A (en) 1979-03-03
JPS5756726B2 JPS5756726B2 (en) 1982-12-01

Family

ID=14107911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9435377A Granted JPS5428695A (en) 1977-08-05 1977-08-05 Mlss concentration controller

Country Status (1)

Country Link
JP (1) JPS5428695A (en)

Also Published As

Publication number Publication date
JPS5756726B2 (en) 1982-12-01

Similar Documents

Publication Publication Date Title
DE68910290D1 (en) Dispensing system with device for regulating the entry of liquid into the system.
EP0017766A3 (en) Incubation device for the selective and accurate treatment of histological preparations
DE3886645D1 (en) Automatic valve and tap for regulating the water flow.
ATE17178T1 (en) HYDROCULTURAL FACILITIES.
NL7610431A (en) AERATION TANK FOR AERATING MIXING LIQUID IN AN ACTIVATED SLUDGE SYSTEM AND A PROCESS FOR REDUCING THE REQUIRED OXYGEN CONTENT.
GB945442A (en) Improvements in or relating to liquid level indicating apparatus
JPS5428695A (en) Mlss concentration controller
JPS52144168A (en) Apparatus for controlling amount of air supply to aeration tank
JPS52121966A (en) Method and apparatus for controlling concentration of activated sluge
Maeda et al. A new mixed liquor suspended solids method of control with total sludge management
ES295810U (en) Installation for rearing aquatic animals, in particular fish.
JPS539056A (en) Preliminary aerating device of lowrate control tank for night-soil purifying apparatus
Usrael Control of aeration at the treatment plant Vienna-Blumental
AU6838881A (en) Circulation mixer
JPS56118790A (en) Aeration control system
JPS53148679A (en) Sequncing control system for plant
JPS5343956A (en) Control device for activated sludge water treatment works
JPS521754A (en) Apparatus of controlling the mixing ratio of liquids
JPS5237219A (en) Steel sylinder type liquid tank with frp bottom
JPS5633098A (en) Biological treatment of organic waste water containing nitrogen
GB998598A (en) Means for detecting or controlling the presence of sewage sludge in a liquid
JPS5624096A (en) Control of oxygen dissolution in activated sludge aeration tank
Baffa Design of neutralization basins for acid wastes
DE69014165D1 (en) Device for manual control of the gas supply with automatic shut-off devices in the presence of flammable gas in the atmosphere.
CS192947B1 (en) Device for the aeration and control of oxygen inlet into activation tanks with aid of jets of liquid