CA1085070A - Thickening device and method - Google Patents

Thickening device and method

Info

Publication number
CA1085070A
CA1085070A CA296,824A CA296824A CA1085070A CA 1085070 A CA1085070 A CA 1085070A CA 296824 A CA296824 A CA 296824A CA 1085070 A CA1085070 A CA 1085070A
Authority
CA
Canada
Prior art keywords
liquid
flocculating
holding tank
feed liquor
tubular column
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
CA296,824A
Other languages
English (en)
French (fr)
Inventor
Robert C. Emmett, Jr.
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.)
Envirotech Corp
Original Assignee
Envirotech Corp
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 Envirotech Corp filed Critical Envirotech Corp
Application granted granted Critical
Publication of CA1085070A publication Critical patent/CA1085070A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D21/0018—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
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0045—Plurality of essentially parallel 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
    • 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
    • B01D21/30—Control equipment
    • B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • 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
    • 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
    • C02F1/686—Devices for dosing liquid additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Centrifugal Separators (AREA)
  • Physical Water Treatments (AREA)
  • Filtration Of Liquid (AREA)
  • Treatment Of Sludge (AREA)
CA296,824A 1977-02-14 1978-02-13 Thickening device and method Expired CA1085070A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/768,315 US4055494A (en) 1977-02-14 1977-02-14 Thickening device and method
US768,315 1977-02-14

Publications (1)

Publication Number Publication Date
CA1085070A true CA1085070A (en) 1980-09-02

Family

ID=25082149

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296,824A Expired CA1085070A (en) 1977-02-14 1978-02-13 Thickening device and method

Country Status (20)

Country Link
US (1) US4055494A (enExample)
JP (1) JPS53101772A (enExample)
AR (1) AR215043A1 (enExample)
AU (1) AU511089B2 (enExample)
BE (1) BE863891A (enExample)
BR (1) BR7707092A (enExample)
CA (1) CA1085070A (enExample)
DE (1) DE2801232A1 (enExample)
FI (1) FI68527C (enExample)
FR (1) FR2380056A1 (enExample)
GB (1) GB1596122A (enExample)
IN (1) IN147542B (enExample)
LU (1) LU78984A1 (enExample)
MX (1) MX4344E (enExample)
NL (1) NL7801377A (enExample)
NO (1) NO151730C (enExample)
NZ (1) NZ186135A (enExample)
PH (1) PH14779A (enExample)
SE (1) SE437334B (enExample)
ZA (1) ZA78454B (enExample)

Families Citing this family (33)

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US4338191A (en) * 1977-06-20 1982-07-06 Jet Aeration Company Apparatus for treating fluids
US4278541A (en) * 1978-03-14 1981-07-14 Amstar Corporation Separator employing an annular vertical feedwell with associated concentric annular baffle plate and method of using same to separate solids from liquids
US4416764A (en) * 1980-11-28 1983-11-22 Natomas Energy Company Method and appratus for extracting tar sand
SE445712B (sv) * 1983-12-08 1986-07-14 Boliden Ab Forfarande for distribution av en vattenreningskemikalie samt anordning for genomforande av forfarandet
US4999115A (en) * 1985-08-19 1991-03-12 Peterson Filters Corporation Method and apparatus for use in separating solids from liquids
US4775468A (en) * 1985-08-19 1988-10-04 Peterson Filters Corporation System for mineral slurry flocculation and vacuum filtration
IN167754B (enExample) * 1985-08-19 1990-12-15 Peterson Filters Corp
CA1265267A (en) * 1985-08-22 1990-01-30 Megill-Stephenson Company Limited (The) Fluid clarifying assembly
US4728438A (en) * 1985-12-27 1988-03-01 Union Oil Company Of California Process for reducing the concentration of suspended solids in clarified geothermal brine
JPH061201Y2 (ja) * 1987-01-14 1994-01-12 オルガノ株式会社 フロックブランケット型凝集沈殿装置
FI83864C (fi) * 1987-03-25 1991-09-10 Oiva Suutarinen Foerfarande foer renande av en vaetska fraon fasta och upploesta foeroreningar med ett flotationsklarning-flockningsfoerfarande.
US5120436A (en) * 1991-03-21 1992-06-09 Reichner Thomas W Liquid clarification by effecting cohesion of solids
US5167833A (en) * 1991-08-28 1992-12-01 Baker Hughes Incorporated Rotary distributor/auxiliary backup drive mechanism for trickling filter systems
US5389250A (en) * 1991-09-26 1995-02-14 Baker Hughes Incorporated Self diluting feedwell for thickener dilution
US5718510A (en) * 1995-02-28 1998-02-17 Inco Limited Paste production and storage apparatus
NO302813B1 (no) * 1996-02-13 1998-04-27 Biopartner As Fremgangsmåte og anordning for behandling av væskeholdige materialer basert på organiske avfallsprodukter
EP0835843A3 (de) * 1996-10-09 1998-12-30 Joachim Friedrich Knauer Vorrichtung zum Einmischen von Flockungsflüssigkeit in eine Klärschlamm-Strömung und Anwendung der Vorrichtung
RU2125541C1 (ru) * 1997-04-28 1999-01-27 Потехин Борис Николаевич Установка приготовления флокулянта
US6231768B1 (en) * 1999-01-19 2001-05-15 Nalco Chemical Company Rheology modification of settled solids in mineral processing
AUPQ274899A0 (en) * 1999-09-10 1999-10-07 Worsley Alumina Pty Ltd Improved thickener feedwell
US6736275B2 (en) 2002-01-22 2004-05-18 United States Filter Corporation Flocculating energy dissipating well arrangement (FEDWA)
AU2003200823B2 (en) * 2002-03-05 2008-09-18 Flsmidth A/S Self diluting feedwell including a vertical eduction mechanism and method of dilution employing same
AUPS118802A0 (en) * 2002-03-19 2002-04-18 Outokumpu Oyj Dual zone feedwell for a thickener
AU2007100006B4 (en) * 2002-05-07 2007-01-25 Outotec Oyj Dilution apparatus for a thickener
AUPS217702A0 (en) * 2002-05-07 2002-06-06 Outokumpu Oyj Dilution apparatus for a thickener
FR2863908B1 (fr) * 2003-12-22 2006-05-19 Otv Sa Procede et reacteur de traitement par floculation
CN101558012B (zh) * 2007-08-17 2012-08-22 落合寿昭 凝聚沉淀处理方法
JP4877162B2 (ja) * 2007-09-03 2012-02-15 栗田工業株式会社 沈殿槽
FR2940270B1 (fr) 2008-12-24 2012-07-27 Degremont Decanteur statique rapide pour pre-epaississement des boues de traitement d'eau, et installation comportant un tel decanteur.
JP2011125790A (ja) * 2009-12-17 2011-06-30 Chida Engineering:Kk 濁水処理装置および濁水処理方法
JP6316165B2 (ja) * 2014-10-15 2018-04-25 株式会社東芝 沈殿槽および沈殿処理方法
JP6536657B2 (ja) * 2017-11-10 2019-07-03 栗田工業株式会社 沈殿槽
RU2732709C1 (ru) * 2020-03-13 2020-09-22 Непубличное акционерное общество "Астерион" Способ приготовления раствора флокулянта и аппарат для его осуществления

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE481250A (enExample) *
US1030366A (en) * 1911-08-21 1912-06-25 David L Winters Water-purifying apparatus.
US1400622A (en) * 1920-02-16 1921-12-20 William J Kenney Process of sedimentation
US1752789A (en) * 1925-08-07 1930-04-01 Dorr Co Agitation and settling apparatus
US1940585A (en) * 1929-06-14 1933-12-19 Fauth Philipp Lorenz Continuous extraction and filtration apparatus
US2151261A (en) * 1938-02-05 1939-03-21 Leland D Bartlett Recovering metal values
US2295714A (en) * 1939-04-19 1942-09-15 Permutit Co Water treating apparatus
US2274361A (en) * 1939-12-21 1942-02-24 Dorr Co Inc Flocculation
FR972416A (fr) * 1941-03-07 1951-01-30 Kodak Pathe Perfectionnement au fractionnement de substances par essorage de mousses
US2440514A (en) * 1943-11-23 1948-04-27 Karlstrom Adolf Magnus Rupert Process for the purification of raw water from colloidal humic substances
US2678730A (en) * 1951-02-02 1954-05-18 Dorr Co Flocculation and sedimentation
FR1101724A (fr) * 1954-03-22 1955-10-10 Emile Degremont Ets Appareil pour le traitement des eaux et des liquides de toute nature
FR1105554A (fr) * 1954-05-28 1955-12-05 Emile Degremont Ets Appareil pour le traitement des eaux et des liquides de toute nature
US2881922A (en) * 1955-10-13 1959-04-14 Process Engineers Inc Flocculation
US3006474A (en) * 1959-02-05 1961-10-31 Dorr Oliver Inc Method and means for converting the kinetic energy of a fluid stream into random turbulence
DE1200758B (de) * 1960-04-09 1965-09-09 Metallgesellschaft Ag Klaerbecken fuer Waesser und Abwaesser
DE1225608B (de) * 1962-07-28 1966-09-29 Hans J Zimmer Verfahrenstechni Vorrichtung zum kontinuierlichen Reinigen von Fluessigkeiten, insbesondere von Abwasser, durch Ausflockung
US3349030A (en) * 1964-12-21 1967-10-24 Dorr Oliver Inc Process and apparatus for the clarification treatment of solids-carrying liquids
US3314527A (en) * 1965-11-03 1967-04-18 Rex Chainbelt Inc Steel detachable attachment link
US3338827A (en) * 1966-03-30 1967-08-29 Dorr Oliver Inc Apparatus and method for the purification treatment of liquids through flocculation
FR1496746A (fr) * 1966-04-22 1967-10-06 Grenobloise Etude Appl Perfectionnement à l'équipement des bassins de floculation
US3532218A (en) * 1967-07-11 1970-10-06 American Cyanamid Co Apparatus for flocculating and thickening
US3482704A (en) * 1968-05-15 1969-12-09 Dorr Oliver Inc Settling tank with center-pier supported rake structure
FR1602598A (enExample) * 1968-12-13 1970-12-28
US3660284A (en) * 1970-04-09 1972-05-02 Kreske Walter J Method for water and wastewater treatment
CA962386A (en) * 1971-04-13 1975-02-04 Canadair Limited Liquid treatment plant and process particularly for waste water
FR2166569A5 (en) * 1971-12-30 1973-08-17 Envirotech Corp Solids separator - with setting plates to assist light weight particl removal
US3892666A (en) * 1974-03-18 1975-07-01 Envirex Thickener with elevatable scraper and non-elevating skimmer
DE2551907B2 (de) * 1975-11-19 1979-06-07 Fried. Krupp Gmbh, 4300 Essen Flockungsreaktor

Also Published As

Publication number Publication date
SE7801642L (sv) 1978-08-15
US4055494B1 (enExample) 1987-02-10
IN147542B (enExample) 1980-03-29
MX4344E (es) 1982-04-03
AU511089B2 (en) 1980-07-24
FR2380056A1 (fr) 1978-09-08
AR215043A1 (es) 1979-08-31
NL7801377A (nl) 1978-08-16
FI780419A7 (fi) 1978-08-15
DE2801232A1 (de) 1978-08-17
LU78984A1 (fr) 1978-09-28
AU2975977A (en) 1979-04-26
NO151730B (no) 1985-02-18
SE437334B (sv) 1985-02-25
FR2380056B1 (enExample) 1985-05-03
ZA78454B (en) 1978-09-27
FI68527B (fi) 1985-06-28
PH14779A (en) 1981-12-09
BR7707092A (pt) 1979-05-22
NO151730C (no) 1985-05-29
NO780331L (no) 1978-08-15
BE863891A (fr) 1978-05-29
GB1596122A (en) 1981-08-19
NZ186135A (en) 1980-11-28
US4055494A (en) 1977-10-25
JPS53101772A (en) 1978-09-05
FI68527C (fi) 1985-10-10

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Legal Events

Date Code Title Description
MKEX Expiry