YU43029B - Process for the flocculation of red sludges - Google Patents

Process for the flocculation of red sludges

Info

Publication number: YU43029B
Authority: YU; Yugoslavia
Prior art keywords: flocculation; sludges; red; red sludges
Prior art date: 1980-07-23

Application number

YU1812/81A

Other versions

YU181281A (en

Inventor

N J Brownrigg

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

1989-02-28

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

1983-10-31 Publication of YU181281A publication Critical patent/YU181281A/en

1989-02-28 Publication of YU43029B publication Critical patent/YU43029B/en

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

YU1812/81A 1980-07-23 1981-07-22 Process for the flocculation of red sludges YU43029B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
YU181281A YU181281A (en)	1983-10-31
YU43029B true YU43029B (en)	1989-02-28

Family

ID=22624471

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
YU1812/81A YU43029B (en)	1980-07-23	1981-07-22	Process for the flocculation of red sludges

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
WO2013161546A1 (en) *	2012-04-26	2013-10-31	昭和電工株式会社	Method for washing 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 ES ES504178A patent/ES8204397A1/en not_active Expired
- 1981-07-22 DE DE19813129019 patent/DE3129019A1/en active Granted
- 1981-07-22 BR BR8104729A patent/BR8104729A/en not_active IP Right Cessation
- 1981-07-22 JP JP56113777A patent/JPS5751117A/en active Granted
- 1981-07-22 FR FR8114249A patent/FR2487325A1/en active Granted
- 1981-07-22 IT IT48957/81A patent/IT1195978B/en active
- 1981-07-22 AU AU73197/81A patent/AU7319781A/en not_active Abandoned
- 1981-07-22 IE IE1647/81A patent/IE51418B1/en not_active IP Right Cessation
- 1981-07-22 GR GR65583A patent/GR81418B/el unknown
- 1981-07-22 YU YU1812/81A patent/YU43029B/en unknown
- 1981-07-23 HU HU812156A patent/HU186395B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
IE811647L (en)	1982-01-23
CA1176031A (en)	1984-10-16
DE3129019A1 (en)	1982-03-18
JPH024532B2 (en)	1990-01-29
DE3129019C2 (en)	1993-08-26
GB2080272A (en)	1982-02-03
FR2487325B1 (en)	1985-04-26
ES504178A0 (en)	1982-05-16
GB2080272B (en)	1984-06-13
IT8148957A0 (en)	1981-07-22
JPS5751117A (en)	1982-03-25
IE51418B1 (en)	1986-12-24
IT1195978B (en)	1988-11-03
YU181281A (en)	1983-10-31
FR2487325A1 (en)	1982-01-29
AU7319781A (en)	1982-01-28
BR8104729A (en)	1982-04-13
HU186395B (en)	1985-07-29
ES8204397A1 (en)	1982-07-16
GR81418B (en)	1984-12-11

Publication	Publication Date	Title
GB2118926B (en)	1985-09-04	Process for dewatering sludges
GB2082163B (en)	1983-10-26	Dewatering sludges
GB2084983B (en)	1983-09-21	Wastewater treatment process
DE3369115D1 (en)	1987-02-19	Process for dewatering sludge
ZA812202B (en)	1982-04-28	Wastewater treatment process
YU50581A (en)	1983-12-31	Process for the isoltion of betain
YU43029B (en)	1989-02-28	Process for the flocculation of red sludges
GB2068760B (en)	1984-02-01	Apparatus for thickening sludge
DE3367252D1 (en)	1986-12-04	Process for the treatment of red mud
YU243882A (en)	1985-03-20	Process for the floculation of red slime
DE3160603D1 (en)	1983-08-18	Process for the preparation of fluorobenzonitriles
DE3160090D1 (en)	1983-04-07	Process for the preparation of 2-mercaptobenzthiazoles
DE3173547D1 (en)	1986-03-06	Process for the preparation of hydrazono-isoindolines
DE3167279D1 (en)	1985-01-03	Process for the preparation of 2-hydroxy-benzothiazoles
DE3168356D1 (en)	1985-02-28	Process for the carbazolation of anthrimides
GB2071127B (en)	1984-07-25	Process for the purification of glucosaninoglucans
IL60122A (en)	1984-09-30	Process for the preparation of 2-oxa-3-oxo-delta4-steroids
ZA816425B (en)	1982-09-29	Process for the dewatering of sludge
DE3160225D1 (en)	1983-06-09	Process for the preparation of 1-phenyl-3-carbamoyl-pyrazol-5-ones
DE3160389D1 (en)	1983-07-07	Process for the preparation of 2-chloro-benzothiazoles
IL63764A0 (en)	1981-12-31	Process for the multiplication of protozoa
DE3160108D1 (en)	1983-04-14	Process for the preparation of 2-amino-6-nitro-benzothiazole
DE3160147D1 (en)	1983-05-11	Process for the preparation of 1-acetoxy-3-chloro-pentanone-4
JPS56126417A (en)	1981-10-03	Sludge dehydrator
IL63458A0 (en)	1981-10-30	Process for the preparation of 4-tert-butylbenzaldehydes