FR2405902A1 - Procede de production d'alumine en gros grains - Google Patents
Procede de production d'alumine en gros grainsInfo
- Publication number
- FR2405902A1 FR2405902A1 FR7804697A FR7804697A FR2405902A1 FR 2405902 A1 FR2405902 A1 FR 2405902A1 FR 7804697 A FR7804697 A FR 7804697A FR 7804697 A FR7804697 A FR 7804697A FR 2405902 A1 FR2405902 A1 FR 2405902A1
- Authority
- FR
- France
- Prior art keywords
- stage
- cementation
- agglomeration
- prodn
- rest
- 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.)
- Granted
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
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12345677A JPS5456999A (en) | 1977-10-17 | 1977-10-17 | Preparation of crude alumina particles |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2405902A1 true FR2405902A1 (fr) | 1979-05-11 |
FR2405902B1 FR2405902B1 (enrdf_load_stackoverflow) | 1981-05-29 |
Family
ID=14861055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7804697A Granted FR2405902A1 (fr) | 1977-10-17 | 1978-02-20 | Procede de production d'alumine en gros grains |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5456999A (enrdf_load_stackoverflow) |
AU (1) | AU506136B2 (enrdf_load_stackoverflow) |
DE (1) | DE2807245C2 (enrdf_load_stackoverflow) |
FR (1) | FR2405902A1 (enrdf_load_stackoverflow) |
HU (1) | HU178662B (enrdf_load_stackoverflow) |
YU (1) | YU38478A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991012205A1 (en) * | 1990-02-14 | 1991-08-22 | Alcan International Limited | Process for the precipitating of aluminium hydroxide from bayer process liquor |
WO1993011072A1 (en) * | 1991-11-26 | 1993-06-10 | Alcan International Limited | Improved process for producing low soda alumina |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4305913A (en) * | 1980-08-06 | 1981-12-15 | Kaiser Aluminum & Chemical Corporation | Alumina hydrate production from Bayer liquor by seeding |
JPS57140316A (en) * | 1981-02-20 | 1982-08-30 | Sumitomo Alum Smelt Co Ltd | Manufacture of coarse granular aluminum hydroxide |
JPS6085789U (ja) * | 1983-11-18 | 1985-06-13 | 福岡 敏郎 | 磁気記録テ−プ |
US4511542A (en) * | 1984-05-24 | 1985-04-16 | Kaiser Aluminum & Chemical Corporation | Bayer process production of alumina hydrate |
JPH0314792U (enrdf_load_stackoverflow) * | 1989-06-22 | 1991-02-14 | ||
JP5285317B2 (ja) * | 2008-03-28 | 2013-09-11 | 住友化学株式会社 | 水酸化アルミニウムの製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2707669A (en) * | 1951-02-06 | 1955-05-03 | Kaiser Aluminium Chem Corp | Alumina production |
CH441251A (fr) * | 1963-05-06 | 1967-08-15 | Aluminium Lab Ltd | Procédé de préparation du trihydrate d'alumine |
-
1977
- 1977-10-17 JP JP12345677A patent/JPS5456999A/ja active Granted
-
1978
- 1978-02-20 DE DE2807245A patent/DE2807245C2/de not_active Expired
- 1978-02-20 YU YU00384/78A patent/YU38478A/xx unknown
- 1978-02-20 FR FR7804697A patent/FR2405902A1/fr active Granted
- 1978-02-20 AU AU33421/78A patent/AU506136B2/en not_active Expired
- 1978-02-21 HU HU78NI210A patent/HU178662B/hu unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2707669A (en) * | 1951-02-06 | 1955-05-03 | Kaiser Aluminium Chem Corp | Alumina production |
CH441251A (fr) * | 1963-05-06 | 1967-08-15 | Aluminium Lab Ltd | Procédé de préparation du trihydrate d'alumine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991012205A1 (en) * | 1990-02-14 | 1991-08-22 | Alcan International Limited | Process for the precipitating of aluminium hydroxide from bayer process liquor |
AU635821B2 (en) * | 1990-02-14 | 1993-04-01 | Alcan International Limited | Process for precipitating of aluminium hydroxide from bayer process liquor |
WO1993011072A1 (en) * | 1991-11-26 | 1993-06-10 | Alcan International Limited | Improved process for producing low soda alumina |
Also Published As
Publication number | Publication date |
---|---|
DE2807245C2 (de) | 1983-05-11 |
JPS5761692B2 (enrdf_load_stackoverflow) | 1982-12-25 |
JPS5456999A (en) | 1979-05-08 |
AU506136B2 (en) | 1979-12-13 |
HU178662B (en) | 1982-06-28 |
AU3342178A (en) | 1979-08-30 |
DE2807245A1 (de) | 1979-05-03 |
FR2405902B1 (enrdf_load_stackoverflow) | 1981-05-29 |
YU38478A (en) | 1982-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Ross et al. | Stereoselective U-4CRs with 1-amino-5-desoxy-5-thio-2, 3, 4-O-isobutanoyl-β-d-xylopyranose—an effective and selectively removable chiral auxiliary | |
FR2405902A1 (fr) | Procede de production d'alumine en gros grains | |
US4937333A (en) | Method for purifying aminomethylenephosphonic acids for pharmaceutical use | |
DK0516803T3 (da) | Fremgangsmåde til fremstilling af sophorosider ved fermentering med kontinuerlig fødning af fedtsyreestere eller olier | |
JP2002531365A (ja) | 石灰の処理 | |
US3004826A (en) | Process for obtaining schoenite by direct treatment of kainite containing sodium chloride as an impurity | |
US4123609A (en) | Process for the production of 9-(β-D-arabinofuranosyl)adenine, 5'-phosphate | |
ATE74335T1 (de) | Verfahren zur kristallisation von phosphorsaeure. | |
US4083933A (en) | Process for preparing AlH3 (PO4)2 ·3H2 O | |
GB1474761A (en) | Sodium perborate and a method of producing the same | |
EP0970049B1 (en) | Process for the production of enantiomerically enriched n-acylazetidine-2-carboxylic acids | |
ES2007125A6 (es) | Un procedimiento para producir clorato de metal alcalino. | |
US3825559A (en) | Optical resolution of dl-tryptophan | |
GB1052986A (enrdf_load_stackoverflow) | ||
ATE73734T1 (de) | Verfahren zur kristallisation von phosphorsaeure. | |
Riggs et al. | Modified histones in HeLa and Friend erythroleukemia cells treated with n-butyrate | |
CA1088927A (en) | PROCESS FOR THE PRODUCTION OF 9-(.beta.-D- ARABINOFURANOSYL)ADENINE, 5'-PHOSPHATE | |
JPS6439390A (en) | Method for electrochemically synthesizing metabolite and substance related to same | |
SU1239096A1 (ru) | Способ получени искусственного карналлита | |
Egli | Crystal research | |
KR810000520B1 (ko) | 5'-구아닐산의 정제법 | |
GB1264430A (enrdf_load_stackoverflow) | ||
GB763217A (en) | Colchiceine derivatives | |
GB1242188A (en) | Improvements relating to the recovery of lead values from solution | |
US2344707A (en) | Process for producing z-amino |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |