NL6900056A - - Google Patents

Info

Publication number
NL6900056A
NL6900056A NL6900056A NL6900056A NL6900056A NL 6900056 A NL6900056 A NL 6900056A NL 6900056 A NL6900056 A NL 6900056A NL 6900056 A NL6900056 A NL 6900056A NL 6900056 A NL6900056 A NL 6900056A
Authority
NL
Netherlands
Application number
NL6900056A
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
Priority to DE19681817105 priority Critical patent/DE1817105A1/de
Priority to FR1601654D priority patent/FR1601654A/fr
Application filed filed Critical
Priority to NL6900056A priority patent/NL6900056A/xx
Publication of NL6900056A publication Critical patent/NL6900056A/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Biochemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
NL6900056A 1968-12-27 1969-01-03 NL6900056A (xx)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19681817105 DE1817105A1 (de) 1968-12-27 1968-12-27 Dosiervorrichtung fuer Suspensionen,insbesondere fuer Filterhilfsmittel,in Abhaengigkeit vom Truebungsgrad der zu behandelnden Medien
FR1601654D FR1601654A (en) 1968-12-27 1968-12-31 Metering device for filtration additives - used in suspension
NL6900056A NL6900056A (xx) 1968-12-27 1969-01-03

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19681817105 DE1817105A1 (de) 1968-12-27 1968-12-27 Dosiervorrichtung fuer Suspensionen,insbesondere fuer Filterhilfsmittel,in Abhaengigkeit vom Truebungsgrad der zu behandelnden Medien
FR182941 1968-12-31
NL6900056A NL6900056A (xx) 1968-12-27 1969-01-03

Publications (1)

Publication Number Publication Date
NL6900056A true NL6900056A (xx) 1970-07-07

Family

ID=27181684

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6900056A NL6900056A (xx) 1968-12-27 1969-01-03

Country Status (3)

Country Link
DE (1) DE1817105A1 (xx)
FR (1) FR1601654A (xx)
NL (1) NL6900056A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH516329A (de) * 1971-02-12 1971-12-15 Ammann U Maschf Ag Verfahren zum Abscheiden der Schwebeteilchen aus einer Trübe, bei welchem der Trübe ein Flockungsmittel zugesetzt wird
FR2816409B1 (fr) * 2000-11-09 2003-05-02 Ecole D Ingenieurs De Geneve Appareil de mesure de parametres physiques d'un mout de raisin et du vin obtenu a partir de ce mout

Also Published As

Publication number Publication date
FR1601654A (en) 1970-09-07
DE1817105A1 (de) 1970-07-16

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