CA1277479C - Process for purifying alumina - Google Patents
Process for purifying aluminaInfo
- Publication number
- CA1277479C CA1277479C CA000548764A CA548764A CA1277479C CA 1277479 C CA1277479 C CA 1277479C CA 000548764 A CA000548764 A CA 000548764A CA 548764 A CA548764 A CA 548764A CA 1277479 C CA1277479 C CA 1277479C
- Authority
- CA
- Canada
- Prior art keywords
- liquor
- added
- product
- polyamine
- iron
- 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 - Fee Related
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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/28—Amines
- C22B3/282—Aliphatic amines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/916,981 US4717550A (en) | 1986-10-09 | 1986-10-09 | Process for purifying alumina |
US06/916,981 | 1986-10-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1277479C true CA1277479C (en) | 1990-12-11 |
Family
ID=25438182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000548764A Expired - Fee Related CA1277479C (en) | 1986-10-09 | 1987-10-07 | Process for purifying alumina |
Country Status (11)
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5286391A (en) * | 1993-02-04 | 1994-02-15 | Nalco Chemical Company | Red mud flocculation |
US5346628A (en) * | 1993-10-29 | 1994-09-13 | Nalco Chemical Company | Polymers for flocculating red mud from bayer process liquors |
US6077486A (en) * | 1999-03-25 | 2000-06-20 | Cytec Technology Corp. | Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron |
JP2006045053A (ja) * | 2004-07-05 | 2006-02-16 | Showa Denko Kk | アルミニウム塩溶液の製造方法、アルミニウム塩溶液、アルミニウム塩、アルミニウム塩溶液を用いる浄化装置、アルミニウム塩溶液を使用して製造された物品 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL299871A (US07498051-20090303-C00003.png) * | 1962-10-31 | 1900-01-01 | ||
ES313819A2 (es) * | 1964-06-05 | 1966-04-01 | Allied Chem | Procedimiento para la purificacion de sulfato de aluminio |
US4275042A (en) * | 1980-01-22 | 1981-06-23 | Alcan Research And Development Limited | Removal of oxalate from Bayer process liquor |
SU1100232A1 (ru) * | 1981-06-29 | 1984-06-30 | Всесоюзный научно-исследовательский и проектный институт алюминиевой, магниевой и электродной промышленности | Способ сгущени пульпы красного шлама |
US4578255A (en) * | 1984-12-27 | 1986-03-25 | Kaiser Aluminum Chemical Corporation | Purification of Bayer process liquors |
GB8519107D0 (en) * | 1985-07-29 | 1985-09-04 | Allied Colloids Ltd | Flocculation process |
EP0211338A3 (en) * | 1985-08-09 | 1988-05-25 | American Cyanamid Company | Process for making alumina |
-
1986
- 1986-10-09 US US06/916,981 patent/US4717550A/en not_active Expired - Lifetime
-
1987
- 1987-09-29 ES ES198787114193T patent/ES2033275T3/es not_active Expired - Lifetime
- 1987-09-29 DE DE8787114193T patent/DE3780744T2/de not_active Expired - Lifetime
- 1987-09-29 EP EP87114193A patent/EP0263411B1/en not_active Revoked
- 1987-10-06 IN IN778/CAL/87A patent/IN168623B/en unknown
- 1987-10-07 CA CA000548764A patent/CA1277479C/en not_active Expired - Fee Related
- 1987-10-08 JP JP62252615A patent/JPS63139016A/ja active Pending
- 1987-10-08 BR BR8705357A patent/BR8705357A/pt not_active IP Right Cessation
- 1987-10-08 AU AU79480/87A patent/AU597113B2/en not_active Ceased
- 1987-10-08 HU HU874525A patent/HU199094B/hu not_active IP Right Cessation
- 1987-10-08 YU YU1865/87A patent/YU45459B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4717550A (en) | 1988-01-05 |
EP0263411A3 (en) | 1990-05-23 |
HU199094B (en) | 1990-01-29 |
AU7948087A (en) | 1988-04-14 |
AU597113B2 (en) | 1990-05-24 |
EP0263411B1 (en) | 1992-07-29 |
YU186587A (en) | 1989-02-28 |
EP0263411A2 (en) | 1988-04-13 |
HUT44740A (en) | 1988-04-28 |
YU45459B (en) | 1992-05-28 |
IN168623B (US07498051-20090303-C00003.png) | 1991-05-11 |
ES2033275T3 (es) | 1993-03-16 |
DE3780744T2 (de) | 1992-12-17 |
JPS63139016A (ja) | 1988-06-10 |
BR8705357A (pt) | 1988-05-24 |
DE3780744D1 (de) | 1992-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |