FR2595053B1 - Procede et appareil pour epaissir des boues rouges derivees de la bauxite, et des coulis semblables - Google Patents

Procede et appareil pour epaissir des boues rouges derivees de la bauxite, et des coulis semblables

Info

Publication number
FR2595053B1
FR2595053B1 FR878702563A FR8702563A FR2595053B1 FR 2595053 B1 FR2595053 B1 FR 2595053B1 FR 878702563 A FR878702563 A FR 878702563A FR 8702563 A FR8702563 A FR 8702563A FR 2595053 B1 FR2595053 B1 FR 2595053B1
Authority
FR
France
Prior art keywords
bauxity
thickening
red sludge
derived red
grout
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 - Lifetime
Application number
FR878702563A
Other languages
English (en)
Other versions
FR2595053A1 (fr
Inventor
Peter Francis Bagatto
Donald Lawrence Puxley
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.)
Rio Tinto Alcan International Ltd
Original Assignee
Alcan International Ltd Canada
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 Alcan International Ltd Canada filed Critical Alcan International Ltd Canada
Publication of FR2595053A1 publication Critical patent/FR2595053A1/fr
Application granted granted Critical
Publication of FR2595053B1 publication Critical patent/FR2595053B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01D21/0018—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
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating 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
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • 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
    • B01D21/2411—Feed mechanisms for settling tanks having a tangential inlet
    • 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
    • B01D21/24—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
    • B01D21/30—Control equipment
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
FR878702563A 1986-02-28 1987-02-26 Procede et appareil pour epaissir des boues rouges derivees de la bauxite, et des coulis semblables Expired - Lifetime FR2595053B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000502948A CA1286480C (fr) 1986-02-28 1986-02-28 Methode et dispositif pour epaissir les boues rouges derivees de la bauxite, et de bouillies analogues

Publications (2)

Publication Number Publication Date
FR2595053A1 FR2595053A1 (fr) 1987-09-04
FR2595053B1 true FR2595053B1 (fr) 1991-09-13

Family

ID=4132577

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878702563A Expired - Lifetime FR2595053B1 (fr) 1986-02-28 1987-02-26 Procede et appareil pour epaissir des boues rouges derivees de la bauxite, et des coulis semblables

Country Status (4)

Country Link
US (1) US4830507A (fr)
BR (1) BR8700978A (fr)
CA (1) CA1286480C (fr)
FR (1) FR2595053B1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911553A (en) * 1986-11-28 1990-03-27 House Food Industrial Co., Ltd. Method and apparatus for feeding solid-liquid mixture
US5080803A (en) * 1989-10-13 1992-01-14 Alcan International Limited Process for decantation of suspensions
EP0422893B1 (fr) * 1989-10-13 1993-06-23 Alcan International Limited Procédé et appareil pour la décantation de suspensions
US5389250A (en) * 1991-09-26 1995-02-14 Baker Hughes Incorporated Self diluting feedwell for thickener dilution
AT399141B (de) * 1993-08-13 1995-03-27 Anlagenbau Franz Zierler Verfahren und vorrichtung zum abscheiden von sand aus mit sand und organischen stoffen beladenem abwasser
US5718510A (en) * 1995-02-28 1998-02-17 Inco Limited Paste production and storage apparatus
US6231768B1 (en) * 1999-01-19 2001-05-15 Nalco Chemical Company Rheology modification of settled solids in mineral processing
US6340033B2 (en) 1999-03-15 2002-01-22 Alcan International Limited Transfer of shear-thinning slurries
US6758978B1 (en) 1999-08-06 2004-07-06 Gl&V Management Hungary Kft. Deep bed thickener/clarifiers with enhanced liquid removal
UA78727C2 (en) * 2001-11-09 2007-04-25 Alcan Int Ltd Settler and method for decanting mineral slurries
ZA200301831B (en) * 2002-03-05 2003-09-11 Gl&V Man Hungary Kft Self diluting feedwell including a vertical eduction mechanism and method of dilution employing same.
AU2006284387B2 (en) * 2005-08-23 2012-01-19 Alcan International Limited Apparatus for production, withdrawal and transfer of highly viscous slurry
FR2922121A1 (fr) * 2007-10-12 2009-04-17 Charles Rolland Alimentation d'un separateur de phase.
CA2714766C (fr) * 2009-09-14 2014-07-15 Syncrude Canada Ltd. Puits d'alimentation pour recipient de separation par gravite
RU2588960C2 (ru) 2011-03-18 2016-07-10 Орбит Элюминэ Инк. Способы извлечения редкоземельных элементов из алюминийсодержащих материалов
AU2012250460B2 (en) 2011-05-04 2015-11-26 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
CA2834356C (fr) 2011-06-03 2014-11-25 Orbite Aluminae Inc. Procedes d'obtention d'hematite
US20130008856A1 (en) * 2011-07-06 2013-01-10 Cognis Ip Management Gmbh Method For Controlling Solids/Liquid Decant Unit Operations And Systems
AU2012308068B2 (en) 2011-09-16 2015-02-05 Aem Technologies Inc. Processes for preparing alumina and various other products
WO2013104059A1 (fr) 2012-01-10 2013-07-18 Orbite Aluminae Inc. Procédés de traitement de boue rouge
EP2838848B1 (fr) 2012-03-29 2019-05-08 Orbite Technologies Inc. Procédés de traitement de cendres volantes
RU2597096C2 (ru) 2012-07-12 2016-09-10 Орбит Алюминэ Инк. Способы получения оксида титана и различных других продуктов
US9353425B2 (en) 2012-09-26 2016-05-31 Orbite Technologies Inc. Processes for preparing alumina and magnesium chloride by HCl leaching of various materials
EP2920114A4 (fr) 2012-11-14 2016-03-02 Orbite Aluminae Inc Procédé de purification d'ions aluminium
EP2886178A1 (fr) 2013-12-20 2015-06-24 Rio Tinto Alcan International Limited Procédé et installation de production de trihydrate d'alumine par digestion d'alcaline de minerai de bauxite
EP2886177A1 (fr) 2013-12-20 2015-06-24 Rio Tinto Alcan International Limited Décanteur pour décanter des boues minérales et procédé de séparation de liquide décanté à partir de boue épaissie desdites boues minérales
CN110482621B (zh) * 2019-09-04 2020-07-03 新昌县梅维斯环保有限公司 基于污水药物净化处理的污水处理池结构

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2268475A (en) * 1939-09-30 1941-12-30 Dorr Co Inc Flocculation
US2365293A (en) * 1941-04-25 1944-12-19 Worthington Pump & Mach Corp Water treating apparatus
US2322719A (en) * 1942-03-06 1943-06-22 Dorr Co Apparatus for the treatment of slurries or liquid solids mixtures
US2413375A (en) * 1943-05-22 1946-12-31 Darwin Kirschman H Method of and apparatus for treating liquids
US2473297A (en) * 1945-04-03 1949-06-14 Henry C Parker Apparatus for clarifying liquors
CH396858A (de) * 1959-05-15 1965-08-15 Ciba Geigy Verfahren zum Reinigen von Sole
US3212672A (en) * 1962-08-20 1965-10-19 Elgin Softener Inc Dry diatomaceous earth feeder
US3300047A (en) * 1966-05-05 1967-01-24 Hirsch Abraham Adler Truly vertical flow upflow tank with complete volumetric transit for water and wastetreatment
US3544081A (en) * 1968-03-15 1970-12-01 Hans A Eckhardt Apparatus for mixing flowable materials
BE733259A (fr) * 1969-05-19 1969-11-19
US3650950A (en) * 1969-08-20 1972-03-21 Robert W White Material shearing mixer and aerator
DE7138603U (de) * 1971-10-12 1972-06-15 Passavant Werke Vorrichtung zur mechanisch-chemischen Wasseraufbereitung und Abwasserbehandlung
AU502936B2 (en) * 1975-01-24 1979-08-16 Alcan Research And Development Limited Flocculant control in sedimentation
DE2624506A1 (de) * 1976-06-01 1977-12-15 Raschka Kg Dipl Ing Georg Schlammeindicker
IT1109426B (it) * 1978-07-31 1985-12-16 Eurallumina Spa Procedimento per lo smaltimento dei residui di lavorazione della bauxite e loro contenimento in bacini di colmata
US4302328A (en) * 1978-09-25 1981-11-24 Envirotech Corporation Geothermal brine treatment
US4226714A (en) * 1978-12-27 1980-10-07 The Anaconda Company Thickener control system
US4328094A (en) * 1980-02-08 1982-05-04 Peck Albert C Apparatus and process for the beneficiation, washing, elutriation and cleaning of particulate solids and recovery of chemical values
US4397561A (en) * 1981-05-11 1983-08-09 William A. Strong Slurry production system
US4603000A (en) * 1984-09-05 1986-07-29 Fabcon Incorporated Process and apparatus for flocculating and clarifying a solid-liquid slurry

Also Published As

Publication number Publication date
FR2595053A1 (fr) 1987-09-04
US4830507A (en) 1989-05-16
AU6954287A (en) 1987-09-03
AU590682B2 (en) 1989-11-09
BR8700978A (pt) 1987-12-22
CA1286480C (fr) 1991-07-23

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