GB1460575A - Sewage treatment vats - Google Patents

Sewage treatment vats

Info

Publication number
GB1460575A
GB1460575A GB5979973A GB5979973A GB1460575A GB 1460575 A GB1460575 A GB 1460575A GB 5979973 A GB5979973 A GB 5979973A GB 5979973 A GB5979973 A GB 5979973A GB 1460575 A GB1460575 A GB 1460575A
Authority
GB
United Kingdom
Prior art keywords
vat
zone
sewage treatment
dec
activation zone
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
Application number
GB5979973A
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.)
SOAF
Original Assignee
SOAF
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 claimed from FR7246307A external-priority patent/FR2211402A1/en
Priority claimed from FR7309672A external-priority patent/FR2222317A1/en
Application filed by SOAF filed Critical SOAF
Publication of GB1460575A publication Critical patent/GB1460575A/en
Expired 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042—Baffles or guide plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

1460575 Sewage treatment vats COMPAGNIE D'ETUDES ET DE RECHERCHES DES SERVICES OPERATIONNELS D'ASSAINISSEMENT EN FRANCE-SOAF 27 Dec 1973 [27 Dec 1972 19 March 1973] 59799/73 Heading C1C A vat for the treatment of raw sewage by bacterial digestion comprises an internal skirt (Fig. 4; ref. no. 5) defining a central activation zone (3) and separating the activation zone from an annular peripheral sedimentation zone (4), the lower portion of the vat being of generally curviform or ovoidal section and the lower part of the skirt (6) narrowing towards the base of the vat so as to provide communication between the activation zone and the sedimentation zone. Aerobic conditions are used, and modifications of the vat also described.
GB5979973A 1972-12-27 1973-12-27 Sewage treatment vats Expired GB1460575A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7246307A FR2211402A1 (en) 1972-12-27 1972-12-27 Aerated bacterial waste-water purifn tank - for domestic applications with baffles to trap floating grease and promote sedimentation of solids
FR7309672A FR2222317A1 (en) 1973-03-19 1973-03-19 Aerated bacterial waste-water purifn tank - for domestic applications with baffles to trap floating grease and promote sedimentation of solids

Publications (1)

Publication Number Publication Date
GB1460575A true GB1460575A (en) 1977-01-06

Family

ID=26217482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5979973A Expired GB1460575A (en) 1972-12-27 1973-12-27 Sewage treatment vats

Country Status (4)

Country Link
CH (1) CH581076A5 (en)
ES (1) ES421776A1 (en)
GB (1) GB1460575A (en)
IT (1) IT1006680B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK145417C (en) * 1978-09-20 1983-04-18 K H Soerensen FERTILIZER FOR CHARGE-TREATED TREATMENT OF FERTILIZER WITHOUT STIRRING AND CIRCULATION

Also Published As

Publication number Publication date
ES421776A1 (en) 1976-12-16
IT1006680B (en) 1976-10-20
CH581076A5 (en) 1976-10-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee