IT1171723B - Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione - Google Patents

Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione

Info

Publication number
IT1171723B
IT1171723B IT23173/83A IT2317383A IT1171723B IT 1171723 B IT1171723 B IT 1171723B IT 23173/83 A IT23173/83 A IT 23173/83A IT 2317383 A IT2317383 A IT 2317383A IT 1171723 B IT1171723 B IT 1171723B
Authority
IT
Italy
Prior art keywords
sewage
sedimentation
automatic control
control equipment
sludge present
Prior art date
Application number
IT23173/83A
Other languages
English (en)
Other versions
IT8323173A0 (it
Inventor
Alfonso Visconti
Emilio Sernagiotto
Raffaello Mario Sernagiotto
Original Assignee
Sernagiotto Off Mec
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 Sernagiotto Off Mec filed Critical Sernagiotto Off Mec
Priority to IT23173/83A priority Critical patent/IT1171723B/it
Publication of IT8323173A0 publication Critical patent/IT8323173A0/it
Priority to US06/657,336 priority patent/US4545903A/en
Priority to GB08425125A priority patent/GB2147705A/en
Priority to FR8415569A priority patent/FR2553195A1/fr
Application granted granted Critical
Publication of IT1171723B publication Critical patent/IT1171723B/it

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
    • G01N15/04—Investigating sedimentation of particle suspensions
    • 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
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers
    • G01N2021/5969—Scanning of a tube, a cuvette, a volume of sample
    • 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

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Optical Measuring Cells (AREA)
IT23173/83A 1983-10-06 1983-10-06 Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione IT1171723B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT23173/83A IT1171723B (it) 1983-10-06 1983-10-06 Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione
US06/657,336 US4545903A (en) 1983-10-06 1984-10-03 Apparatus for automatically controlling the sedimentation of muds during the purification of waste waters
GB08425125A GB2147705A (en) 1983-10-06 1984-10-04 Monitoring mud sedimentation
FR8415569A FR2553195A1 (fr) 1983-10-06 1984-10-04 Appareil pour controler la sedimentation des boues dans des eaux d'egouts soumises a epuration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23173/83A IT1171723B (it) 1983-10-06 1983-10-06 Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione

Publications (2)

Publication Number Publication Date
IT8323173A0 IT8323173A0 (it) 1983-10-06
IT1171723B true IT1171723B (it) 1987-06-10

Family

ID=11204530

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23173/83A IT1171723B (it) 1983-10-06 1983-10-06 Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione

Country Status (4)

Country Link
US (1) US4545903A (it)
FR (1) FR2553195A1 (it)
GB (1) GB2147705A (it)
IT (1) IT1171723B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8629769D0 (en) * 1986-12-12 1987-01-21 British Petroleum Co Plc Densitometer
GB8711871D0 (en) * 1987-05-20 1987-06-24 Thames Water Authority Monitoring settlement of solid in liquid
US4880982A (en) * 1987-11-17 1989-11-14 Impex Production & Development A/S (Ltd.) Fluid indicator for a containment vessel

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122922A (en) * 1936-06-26 1938-07-05 Clayton W Woods Liquid testing apparatus
US2299529A (en) * 1937-06-10 1942-10-20 Wallace & Tiernan Inc Apparatus for controlling the condition of material
GB540948A (en) * 1940-05-04 1941-11-06 Foster Instr Company Ltd Improvements in or relating to measuring, indicating, recording or control apparatus
US2361235A (en) * 1942-01-17 1944-10-24 Permutit Co Turbidity detector
NL92884C (it) * 1953-07-09
GB857877A (en) * 1958-06-26 1961-01-04 Baird & Tatlock Ltd Improvements relating to a photo electronic system
NL6606196A (it) * 1965-05-10 1966-11-11
SE350122B (it) * 1969-11-03 1972-10-16 A Lindberg
US3812966A (en) * 1972-03-13 1974-05-28 Sybron Corp Settling rate tester
IT979216B (it) * 1973-02-16 1974-09-30 Zanussi A Spa Industrie Apparecchio per la preparazione di bavande
FR2235074B1 (it) * 1973-06-30 1976-12-10 Baeuerle Gmbh Mathias
US4004574A (en) * 1974-11-20 1977-01-25 Aai Corporation Solar energy concentrating and collecting arrangement with sun-follower and solar energy sensing power control and method
GB1549072A (en) * 1975-03-19 1979-08-01 Gooley C L Sensing the level of a fluid boundary liquid measurement
US4260490A (en) * 1979-11-09 1981-04-07 Union Carbide Corporation Biomonitor to safeguard water purification process from toxicants
DE3144189C1 (de) * 1981-11-06 1983-05-19 B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg Verfahren zur Erkennung der Brennlinie der Umhüllung eines rauchbaren Artikels und Einrichtung zur Durchführung eines solchen Verfahrens

Also Published As

Publication number Publication date
IT8323173A0 (it) 1983-10-06
FR2553195A1 (fr) 1985-04-12
GB2147705A (en) 1985-05-15
GB8425125D0 (en) 1984-11-07
US4545903A (en) 1985-10-08

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730