FR823869A - Procédé de traitement des eaux d'égout - Google Patents

Procédé de traitement des eaux d'égout

Info

Publication number
FR823869A
FR823869A FR823869DA FR823869A FR 823869 A FR823869 A FR 823869A FR 823869D A FR823869D A FR 823869DA FR 823869 A FR823869 A FR 823869A
Authority
FR
France
Prior art keywords
treatment process
sewage treatment
sewage
treatment
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
Other languages
English (en)
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.)
Dorr Co
Original Assignee
Dorr Co
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 Dorr Co filed Critical Dorr Co
Application granted granted Critical
Publication of FR823869A publication Critical patent/FR823869A/fr
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
    • 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
    • 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
    • B01D21/0018—Separation of suspended solid particles from liquids by sedimentation provided with a pump mounted in or on a settling tank
    • 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
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • 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
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • 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
    • B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
    • 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
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • 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
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B01D21/286—Means for gentle agitation for enhancing flocculation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Activated Sludge Processes (AREA)
FR823869D 1936-07-06 1937-07-02 Procédé de traitement des eaux d'égout Expired FR823869A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89007A US2110721A (en) 1936-07-06 1936-07-06 Sewage treatment

Publications (1)

Publication Number Publication Date
FR823869A true FR823869A (fr) 1938-01-27

Family

ID=22214850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823869D Expired FR823869A (fr) 1936-07-06 1937-07-02 Procédé de traitement des eaux d'égout

Country Status (3)

Country Link
US (1) US2110721A (fr)
FR (1) FR823869A (fr)
GB (1) GB502170A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110436596A (zh) * 2019-09-05 2019-11-12 辽宁城建设计院有限公司 一种组合式反冲洗水处理及回用系统

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465980A (en) * 1944-08-04 1949-03-29 Graver Tank & Mfg Co Inc Liquid treatment
US2452991A (en) * 1945-06-19 1948-11-02 Gulf Oil Corp Liquid clarifying apparatus
US2517883A (en) * 1946-09-07 1950-08-08 Richard R Kennedy Apparatus for treatment of turbid liquids
US2717697A (en) * 1950-08-17 1955-09-13 Charles G Viggers Means for controlling the sludge flushing of a fluid treating plant
US2651615A (en) * 1950-11-09 1953-09-08 Process Engineers Inc Clarification apparatus
US2897149A (en) * 1954-09-29 1959-07-28 Llewellyn B Griffith Sewage scum removal
US4526687A (en) * 1982-03-12 1985-07-02 Water & Industrial Waste Laboratories, Inc. Reserve pit waste treatment system
US4536286A (en) * 1983-10-24 1985-08-20 Water & Industrial Waste Laboratories, Inc. Mobile waste water and sludge treatment for hazardous and non-hazardous fluids
US5100545A (en) * 1990-12-03 1992-03-31 Advanced Environmental Recycling Technologies, Inc. Separation tank
NL9300912A (nl) * 1993-05-27 1994-12-16 Avebe Coop Verkoop Prod Werkwijze en inrichting voor het onder vorming van een buffervoorraad afscheiden van vaste deeltjes uit vloeistof.
EP1055442A3 (fr) * 1999-05-26 2001-02-14 U. Ammann Maschinenfabrik AG Procédé de purification et installation de décantation à cet effet
GB9923853D0 (en) * 1999-10-09 1999-12-08 Finlay Hydrascreens Ltd Separation of silt and water
FR2822080B1 (fr) * 2001-03-15 2004-10-29 Vivendi Water Systems Procede et installation de traitement des eaux par floculation lestee et separation gravitaire a mode de fonctionnement variable
WO2014151515A1 (fr) * 2013-03-15 2014-09-25 Diamond Power International, Inc. Convoyeur à chaîne immergé à distance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110436596A (zh) * 2019-09-05 2019-11-12 辽宁城建设计院有限公司 一种组合式反冲洗水处理及回用系统

Also Published As

Publication number Publication date
GB502170A (en) 1939-03-06
US2110721A (en) 1938-03-08

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