FR876901A - Perfectionnements aux appareils de floculation et de sédimentation combinés - Google Patents

Perfectionnements aux appareils de floculation et de sédimentation combinés

Info

Publication number
FR876901A
FR876901A FR876901DA FR876901A FR 876901 A FR876901 A FR 876901A FR 876901D A FR876901D A FR 876901DA FR 876901 A FR876901 A FR 876901A
Authority
FR
France
Prior art keywords
sedimentation devices
combined flocculation
flocculation
combined
sedimentation
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 FR876901A publication Critical patent/FR876901A/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
    • B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • 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
    • B01D21/10—Settling tanks with multiple outlets for the separated liquids
    • B01D21/12—Settling tanks with multiple outlets for the separated liquids with moving scrapers
    • B01D21/14—Settling tanks with multiple outlets for the separated liquids 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
    • B01D21/10—Settling tanks with multiple outlets for the separated liquids
    • B01D21/16—Settling tanks with multiple outlets for the separated liquids 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
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/20—Driving mechanisms
    • 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
    • B01D21/2405—Feed mechanisms for settling tanks
    • 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
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • 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
    • B01D21/2433—Discharge mechanisms for floating particles
    • 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
    • B01D21/2433—Discharge mechanisms for floating particles
    • B01D21/2438—Discharge mechanisms for floating particles provided with scrapers on the liquid surface for removing floating particles
    • 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
    • B01D21/245—Discharge mechanisms for the sediments
    • 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
    • B01D21/30—Control equipment
    • B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters

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)
FR876901D 1939-08-11 1940-08-10 Perfectionnements aux appareils de floculation et de sédimentation combinés Expired FR876901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23179/39A GB532002A (en) 1939-08-11 1939-08-11 Improvements relating to combined flocculation and sedimentation apparatus

Publications (1)

Publication Number Publication Date
FR876901A true FR876901A (fr) 1942-11-23

Family

ID=10191437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876901D Expired FR876901A (fr) 1939-08-11 1940-08-10 Perfectionnements aux appareils de floculation et de sédimentation combinés

Country Status (3)

Country Link
US (1) US2291772A (fr)
FR (1) FR876901A (fr)
GB (1) GB532002A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425065A (en) * 1943-07-21 1947-08-05 Dorr Co Method of separating flocculatable and gritty solids from liquids
US2457191A (en) * 1943-10-26 1948-12-28 Paul L Wigton Sedimentation apparatus
US2426804A (en) * 1944-06-14 1947-09-02 Graver Tank & Mfg Co Inc Liquid treatment tank with concentric compartments and with distributors below the bottom surface
US2506927A (en) * 1946-02-16 1950-05-09 Process Engineers Inc Clarification
US2647869A (en) * 1949-11-03 1953-08-04 Process Engineers Inc Clarification
US2635757A (en) * 1950-03-16 1953-04-21 Walker Process Equipment Inc Water clarification apparatus and method
US2678730A (en) * 1951-02-02 1954-05-18 Dorr Co Flocculation and sedimentation
US2649412A (en) * 1951-04-13 1953-08-18 Process Engineers Inc Clarification
US2723760A (en) * 1952-10-30 1955-11-15 Dorr Oliver Inc Apparatus for declarification treatment of solids carrying liquids
US2713027A (en) * 1953-01-30 1955-07-12 Dorr Oliver Inc Continuously operating clarifier tanks for sewage liquids containing gritty and non-gritty solids
US3362538A (en) * 1966-06-09 1968-01-09 Rex Chainbelt Inc Flocculating apparatus
NL1007977C2 (nl) * 1998-01-07 1999-07-08 Witteveen & Bos Raadgevende In Nabezinktank voor het door zwaartekrachtwerking scheiden van gezuiverd afvalwater en actief slib.
BRPI0918693A2 (pt) 2008-12-31 2016-07-26 3M Innovative Properties Co dispositivos para amostragem e métodos para concentração de microorganismos
DE102009059262B4 (de) * 2009-12-22 2013-10-10 Thomas Dory Fermentierbehälter für eine Biogasanlage

Also Published As

Publication number Publication date
US2291772A (en) 1942-08-04
GB532002A (en) 1941-01-15

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