JPH0481140B2 - - Google Patents

Info

Publication number
JPH0481140B2
JPH0481140B2 JP59136577A JP13657784A JPH0481140B2 JP H0481140 B2 JPH0481140 B2 JP H0481140B2 JP 59136577 A JP59136577 A JP 59136577A JP 13657784 A JP13657784 A JP 13657784A JP H0481140 B2 JPH0481140 B2 JP H0481140B2
Authority
JP
Japan
Prior art keywords
light
illuminance
projector
image
receiving means
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.)
Expired - Lifetime
Application number
JP59136577A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117044A (ja
Inventor
Akihiro Tanaka
Mikio Yoda
Shunji Mori
Kenji Baba
Shoji Watanabe
Shunsuke Nokita
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 JP59136577A priority Critical patent/JPS6117044A/ja
Priority to US06/742,560 priority patent/US4654139A/en
Publication of JPS6117044A publication Critical patent/JPS6117044A/ja
Publication of JPH0481140B2 publication Critical patent/JPH0481140B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5209—Regulation methods for flocculation or precipitation
    • 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
    • G01N15/02—Investigating particle size or size distribution
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • C02F2209/105—Particle number, particle size or particle characterisation
    • 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
    • G01N2015/0092—Monitoring flocculation or agglomeration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
JP59136577A 1984-06-08 1984-07-03 フロツク監視装置 Granted JPS6117044A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59136577A JPS6117044A (ja) 1984-07-03 1984-07-03 フロツク監視装置
US06/742,560 US4654139A (en) 1984-06-08 1985-06-07 Flocculation basin in water treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59136577A JPS6117044A (ja) 1984-07-03 1984-07-03 フロツク監視装置

Publications (2)

Publication Number Publication Date
JPS6117044A JPS6117044A (ja) 1986-01-25
JPH0481140B2 true JPH0481140B2 (enExample) 1992-12-22

Family

ID=15178523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59136577A Granted JPS6117044A (ja) 1984-06-08 1984-07-03 フロツク監視装置

Country Status (1)

Country Link
JP (1) JPS6117044A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01133020A (ja) * 1987-11-18 1989-05-25 Meidensha Corp 液中浮遊体観測装置
CN103076335B (zh) * 2013-01-11 2015-02-11 天津市环境保护科学研究院 絮体污泥介观动力学的测试方法与装置

Also Published As

Publication number Publication date
JPS6117044A (ja) 1986-01-25

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