BR8700978A - Processo e aparelho para espessamento de uma pasta de lama vermelha derivada de minerio de bauxita ou de outra pasta do tipo pseudo-plastica contendo particulas - Google Patents
Processo e aparelho para espessamento de uma pasta de lama vermelha derivada de minerio de bauxita ou de outra pasta do tipo pseudo-plastica contendo particulasInfo
- Publication number
- BR8700978A BR8700978A BR8700978A BR8700978A BR8700978A BR 8700978 A BR8700978 A BR 8700978A BR 8700978 A BR8700978 A BR 8700978A BR 8700978 A BR8700978 A BR 8700978A BR 8700978 A BR8700978 A BR 8700978A
- Authority
- BR
- Brazil
- Prior art keywords
- paste
- bauxite
- mines
- thickening
- pseudo
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000502948A CA1286480C (en) | 1986-02-28 | 1986-02-28 | Method of and apparatus for thickening red muds derived from bauxite and similar slurries |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8700978A true BR8700978A (pt) | 1987-12-22 |
Family
ID=4132577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8700978A BR8700978A (pt) | 1986-02-28 | 1987-02-27 | Processo e aparelho para espessamento de uma pasta de lama vermelha derivada de minerio de bauxita ou de outra pasta do tipo pseudo-plastica contendo particulas |
Country Status (4)
Country | Link |
---|---|
US (1) | US4830507A (pt) |
BR (1) | BR8700978A (pt) |
CA (1) | CA1286480C (pt) |
FR (1) | FR2595053B1 (pt) |
Families Citing this family (27)
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 (en) * | 1989-10-13 | 1993-06-23 | Alcan International Limited | Process and apparatus for decantation of 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 |
US6966985B2 (en) * | 2002-03-05 | 2005-11-22 | Gl&V Management Hungary Kft | Self-diluting feedwell including a vertical education mechanism |
MX2008002136A (es) * | 2005-08-23 | 2008-04-29 | Alcan Int Ltd | Aparato para produccion, retiro y transferenca de suspension altamente viscosa. |
FR2922121A1 (fr) * | 2007-10-12 | 2009-04-17 | Charles Rolland | Alimentation d'un separateur de phase. |
CA2714766C (en) * | 2009-09-14 | 2014-07-15 | Syncrude Canada Ltd. | Feedwell for a gravity separation vessel |
AU2012231686B2 (en) | 2011-03-18 | 2015-08-27 | Aem Technologies Inc. | Processes for recovering rare earth elements from aluminum-bearing materials |
EP2705169A4 (en) | 2011-05-04 | 2015-04-15 | Orbite Aluminae Inc | METHOD FOR RECOVERING RARE ELEMENTS FROM DIFFERENT OTHERS |
RU2013157943A (ru) | 2011-06-03 | 2015-07-20 | Орбит Элюминэ Инк. | Способ получения гематита |
US20130008856A1 (en) * | 2011-07-06 | 2013-01-10 | Cognis Ip Management Gmbh | Method For Controlling Solids/Liquid Decant Unit Operations And Systems |
IN2014DN03007A (pt) | 2011-09-16 | 2015-05-08 | Orbite Aluminae Inc | |
RU2579843C2 (ru) | 2012-01-10 | 2016-04-10 | Орбит Текнолоджис Инк. | Способы обработки красного шлама |
CA2903512C (en) | 2012-03-29 | 2017-12-05 | Orbite Technologies Inc. | Processes for treating fly ashes |
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 (en) | 2012-11-14 | 2016-03-02 | Orbite Aluminae Inc | PROCESS FOR PURIFYING ALUMINUM IONS |
EP2886177A1 (en) | 2013-12-20 | 2015-06-24 | Rio Tinto Alcan International Limited | Settler and method for separating clarified liquid from mineral slurries |
EP2886178A1 (en) | 2013-12-20 | 2015-06-24 | Rio Tinto Alcan International Limited | Process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore |
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)
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 |
CH494052A (de) * | 1969-05-19 | 1970-07-31 | Yorkshire Dyeware & Chem Co | Verfahren zur Ausscheidung von festen teilchenförmigen Materialien aus ihrer Mischung mit einem flüssigen Träger sowie Vorrichtung zur Ausführung des Verfahrens |
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 |
ES444513A1 (es) * | 1975-01-24 | 1977-05-16 | Alcan Res & Dev | Un procedimiento para sedimentar particulas suspendidas en un medio liquido. |
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 |
-
1986
- 1986-02-28 CA CA000502948A patent/CA1286480C/en not_active Expired - Lifetime
-
1987
- 1987-02-24 US US07/017,896 patent/US4830507A/en not_active Expired - Fee Related
- 1987-02-26 FR FR878702563A patent/FR2595053B1/fr not_active Expired - Lifetime
- 1987-02-27 BR BR8700978A patent/BR8700978A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2595053B1 (fr) | 1991-09-13 |
AU6954287A (en) | 1987-09-03 |
CA1286480C (en) | 1991-07-23 |
US4830507A (en) | 1989-05-16 |
FR2595053A1 (fr) | 1987-09-04 |
AU590682B2 (en) | 1989-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
KD | Notifcation of receipt (letter patent) | ||
FG | Letter patent granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 27/02/2002 |
|
B15K | Others concerning applications: alteration of classification |
Ipc: B01D 21/00 (2006.01), B01D 21/01 (2006.0 |