AU7319781A - Red mud removal in alumina process - Google Patents

Red mud removal in alumina process

Info

Publication number: AU7319781A
Authority: AU; Australia
Prior art keywords: red mud; mud removal; alumina process; alumina; removal
Prior art date: 1980-07-23
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.): Abandoned

Application number

AU73197/81A

Inventor

Neville J. Brownrigg

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.)

Wyeth Holdings LLC

Original Assignee

American Cyanamid 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.)

1980-07-23

Filing date

1981-07-22

Publication date

1982-01-28

1981-07-22 Application filed by American Cyanamid Co filed Critical American Cyanamid Co

1982-01-28 Publication of AU7319781A publication Critical patent/AU7319781A/en

Status Abandoned legal-status Critical Current

Links

Classifications

- 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
- C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material

Landscapes

Life Sciences & Earth Sciences (AREA)
Organic Chemistry (AREA)
Chemical & Material Sciences (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Engineering & Computer Science (AREA)
Hydrology & Water Resources (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

AU73197/81A 1980-07-23 1981-07-22 Red mud removal in alumina process Abandoned AU7319781A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US17161680A	1980-07-23	1980-07-23
US171616		1980-07-23

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
AU80609/82A Division AU536264B2 (en)	1980-07-23	1982-02-18	Process for alumina recovery

Publications (1)

Publication Number	Publication Date
AU7319781A true AU7319781A (en)	1982-01-28

Family

ID=22624471

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU73197/81A Abandoned AU7319781A (en)	1980-07-23	1981-07-22	Red mud removal in alumina process

Country Status (13)

Country	Link
JP (1)	JPS5751117A (en)
AU (1)	AU7319781A (en)
BR (1)	BR8104729A (en)
CA (1)	CA1176031A (en)
DE (1)	DE3129019A1 (en)
ES (1)	ES8204397A1 (en)
FR (1)	FR2487325A1 (en)
GB (1)	GB2080272B (en)
GR (1)	GR81418B (en)
HU (1)	HU186395B (en)
IE (1)	IE51418B1 (en)
IT (1)	IT1195978B (en)
YU (1)	YU43029B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU536264B2 (en) *	1980-07-23	1984-05-03	Cytec Technology Corp.	Process for alumina recovery
US4545902A (en) *	1984-09-17	1985-10-08	Nalco Chemical Company	Flocculants for bauxite (red mud)
US4767540A (en)	1987-02-11	1988-08-30	American Cyanamid Company	Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams
JPH03122694U (en) *	1990-03-20	1991-12-13
FR2708587B1 (en) *	1993-07-29	1995-09-01	Snf Sa	Process for thinning aqueous suspensions of red mud in the manufacture of alumina by the Bayer technique.
US5951955A (en) *	1995-11-07	1999-09-14	Cytec Technology Corp.	Concentration of solids in the Bayer process
US5853677A (en) *	1996-04-26	1998-12-29	Cytec Technology Corp.	Concentration of solids by flocculating in the Bayer process
US6036869A (en) *	1997-12-12	2000-03-14	Nalco Chemical Company	Water continuous methyl acrylate emulsion polymers for improved flocculation of red mud in the Bayer process
US6086771A (en) *	1997-12-12	2000-07-11	Nalco Chemical Company	Water continuous emulsion polymers for improving scale control in the bayer process
US6048463A (en) *	1997-12-12	2000-04-11	Nalco Chemical Company	Water continuous methyl acrylate emulsion polymer combinations and methyl acrylate emulsion homopolymers for improved flocculation of red mud in the bayer process
GB0029077D0 (en) *	2000-11-29	2001-01-10	Ciba Spec Chem Water Treat Ltd	Flocculation of mineral suspensions
GB0103192D0 (en) *	2001-02-09	2001-03-28	Ciba Spec Chem Water Treat Ltd	Scale removal or prevention
US9533891B2 (en) *	2012-04-26	2017-01-03	Showa Denko K.K.	Washing method of goethite-containing red mud
CA3117346A1 (en)	2018-10-31	2020-05-07	Basf Se	Enhanced dewatering of mining tailings employing chemical pre-treatment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3390959A (en) *	1965-04-30	1968-07-02	Nalco Chemical Co	Process of making alumina
US3445187A (en) *	1966-05-25	1969-05-20	Nalco Chemical Co	Process for separation of red mud from dissolved alumina
JPS4837678B1 (en) *	1969-04-17	1973-11-13
NL6906483A (en) *	1969-04-30	1970-10-27
JPS4929080B1 (en) *	1970-08-24	1974-08-01
GB1378981A (en) *	1972-01-13	1975-01-02	Nalco Chemical Co	Process for the separation of red mud from alumina solutions
GB1439057A (en) *	1973-10-10	1976-06-09	Allied Colloids Ltd	Flocculating agents for alkaline systems
US4083925A (en) *	1976-03-22	1978-04-11	Martin Marietta Aluminum, Inc.	Method for removing ferrous iron from alkali metal aluminate liquor

1981
- 1981-06-09 CA CA000379321A patent/CA1176031A/en not_active Expired
- 1981-07-17 GB GB8122135A patent/GB2080272B/en not_active Expired
- 1981-07-22 FR FR8114249A patent/FR2487325A1/en active Granted
- 1981-07-22 BR BR8104729A patent/BR8104729A/en not_active IP Right Cessation
- 1981-07-22 YU YU1812/81A patent/YU43029B/en unknown
- 1981-07-22 IE IE1647/81A patent/IE51418B1/en not_active IP Right Cessation
- 1981-07-22 JP JP56113777A patent/JPS5751117A/en active Granted
- 1981-07-22 AU AU73197/81A patent/AU7319781A/en not_active Abandoned
- 1981-07-22 IT IT48957/81A patent/IT1195978B/en active
- 1981-07-22 GR GR65583A patent/GR81418B/el unknown
- 1981-07-22 ES ES504178A patent/ES8204397A1/en not_active Expired
- 1981-07-22 DE DE19813129019 patent/DE3129019A1/en active Granted
- 1981-07-23 HU HU812156A patent/HU186395B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
YU181281A (en)	1983-10-31
CA1176031A (en)	1984-10-16
FR2487325A1 (en)	1982-01-29
YU43029B (en)	1989-02-28
BR8104729A (en)	1982-04-13
HU186395B (en)	1985-07-29
GB2080272A (en)	1982-02-03
JPS5751117A (en)	1982-03-25
ES8204397A1 (en)	1982-07-16
IE811647L (en)	1982-01-23
IE51418B1 (en)	1986-12-24
ES504178A0 (en)	1982-05-16
JPH024532B2 (en)	1990-01-29
FR2487325B1 (en)	1985-04-26
IT1195978B (en)	1988-11-03
GB2080272B (en)	1984-06-13
DE3129019A1 (en)	1982-03-18
IT8148957A0 (en)	1981-07-22
DE3129019C2 (en)	1993-08-26
GR81418B (en)	1984-12-11

Publication	Publication Date	Title
AU2727884A (en)	1984-11-01	Extraction process
EP0145233A3 (en)	1985-07-03	Separation process
AU562284B2 (en)	1987-06-04	Filtration apparatus
AU531201B2 (en)	1983-08-11	Ware identifying apparatus
AU536025B2 (en)	1984-04-12	Filtering apparatus
AU7319781A (en)	1982-01-28	Red mud removal in alumina process
GB2110998B (en)	1986-01-15	Tire removing tool
AU563827B2 (en)	1987-07-23	Filtration apparatus
AU1336583A (en)	1983-10-24	Vorrichtung zum erzeugen von drucken
AU536264B2 (en)	1984-05-03	Process for alumina recovery
AU566517B2 (en)	1987-10-22	Extraction apparatus
AU1240283A (en)	1983-09-22	Adhering process
AU555087B2 (en)	1986-09-11	Tyre
GB2117659B (en)	1985-07-17	Continuous-operation filtration process
AU3439784A (en)	1985-03-29	Vorrichtung zum verbrennen von biologischen brennstoffen
AU558714B2 (en)	1987-02-05	Removing dross
AU2331484A (en)	1984-07-05	Verfahren zum hydrieren von kohle
AU2028383A (en)	1984-05-10	Wine making process
AU3556384A (en)	1985-06-03	Vorrichtung zum aufsetzen von golfballen
AU8208282A (en)	1983-08-25	Removing inclusions
AU563290B2 (en)	1987-07-02	Filtration process
AU2652384A (en)	1984-10-09	Verfahren zum materialeinsparenden herstellen von stanzteilen
AU3103784A (en)	1985-02-07	Verfahren zum aufschaumen von flugasche
AU558291B2 (en)	1987-01-22	Reclaiming bridge
AU551081B2 (en)	1986-04-17	Process for removing anthraquinone type scale