FR2534899A1 - Procede d'obtention de trihydroxyde d'a luminium de diametre median inferieur a 4 microns regle a la demande - Google Patents
Procede d'obtention de trihydroxyde d'a luminium de diametre median inferieur a 4 microns regle a la demande Download PDFInfo
- Publication number
- FR2534899A1 FR2534899A1 FR8217955A FR8217955A FR2534899A1 FR 2534899 A1 FR2534899 A1 FR 2534899A1 FR 8217955 A FR8217955 A FR 8217955A FR 8217955 A FR8217955 A FR 8217955A FR 2534899 A1 FR2534899 A1 FR 2534899A1
- Authority
- FR
- France
- Prior art keywords
- aluminum trihydroxide
- sodium aluminate
- trihydroxide
- solution
- demand
- 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
- 238000000034 method Methods 0.000 title claims abstract description 42
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims abstract description 78
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical class [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000000227 grinding Methods 0.000 claims abstract description 18
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 18
- 239000003518 caustics Substances 0.000 claims abstract description 17
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 13
- 239000007791 liquid phase Substances 0.000 claims abstract description 3
- 239000007790 solid phase Substances 0.000 claims abstract 3
- 238000011084 recovery Methods 0.000 claims abstract 2
- 238000000926 separation method Methods 0.000 claims abstract 2
- 239000000243 solution Substances 0.000 claims description 55
- 239000011734 sodium Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 2
- 108091028838 miR-2 stem-loop Proteins 0.000 claims 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- ZXKXJHAOUFHNAS-UHFFFAOYSA-N fenfluramine hydrochloride Chemical compound [Cl-].CC[NH2+]C(C)CC1=CC=CC(C(F)(F)F)=C1 ZXKXJHAOUFHNAS-UHFFFAOYSA-N 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 21
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 10
- 238000004131 Bayer process Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 5
- 241001676573 Minium Species 0.000 description 4
- 230000037452 priming Effects 0.000 description 4
- 150000003385 sodium Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000004645 aluminates Chemical class 0.000 description 3
- 239000007900 aqueous suspension Substances 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 229910001570 bauxite Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000448472 Gramma Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- RWYFURDDADFSHT-RBBHPAOJSA-N diane Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1.C1=C(Cl)C2=CC(=O)[C@@H]3CC3[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(C)=O)(OC(=O)C)[C@@]1(C)CC2 RWYFURDDADFSHT-RBBHPAOJSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- DGMKFQYCZXERLX-UHFFFAOYSA-N proglumide Chemical compound CCCN(CCC)C(=O)C(CCC(O)=O)NC(=O)C1=CC=CC=C1 DGMKFQYCZXERLX-UHFFFAOYSA-N 0.000 description 1
- 102000006688 ral GTP-Binding Proteins Human genes 0.000 description 1
- 108010087304 ral GTP-Binding Proteins Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/26—Aluminium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Organic Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Powder Metallurgy (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Particle Accelerators (AREA)
Priority Applications (26)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8217955A FR2534899A1 (fr) | 1982-10-20 | 1982-10-20 | Procede d'obtention de trihydroxyde d'a luminium de diametre median inferieur a 4 microns regle a la demande |
| PH29618A PH18669A (en) | 1982-10-20 | 1983-09-29 | A process for the production of aluminum trhihydroxide having a median diameter of less than 4 microns.... |
| IN1265/CAL/83A IN161557B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-10-20 | 1983-10-12 | |
| AR294530A AR229791A1 (es) | 1982-10-20 | 1983-10-13 | Procedimiento de obtencion de trihidroxido de aluminio de un diametro medio inferior a 4 micrones regulado a la demanda |
| NL8303518A NL8303518A (nl) | 1982-10-20 | 1983-10-13 | Werkwijze voor de bereiding van aluminiumtrihydroxyde met een naar wens geregelde gemiddelde diameter van minder dan 4 micron. |
| OA58135A OA07564A (fr) | 1982-10-20 | 1983-10-13 | Procédé d'obtention de trihidroxyde d'aluminium de diamètre médian inférieur à 4 microns, réglé à la demande. |
| NZ205957A NZ205957A (en) | 1982-10-20 | 1983-10-13 | The production of aluminium trihydroxide of specific median diameter of less than four microns |
| IT23324/83A IT1169851B (it) | 1982-10-20 | 1983-10-17 | Procedimento per l'ottenimento di triidrossido di alluminio con diametro medio inferiore a 4 microns, regolato a richiesta |
| MX199125A MX157453A (es) | 1982-10-20 | 1983-10-17 | Procedimiento de obtencion de trihidroxidos de aluminio de diametro medio inferior a 4 micrones,regulado a la demanda |
| AU20781/83A AU558785B2 (en) | 1982-10-20 | 1983-10-18 | Process for obtaining aluminium trihydroxide having a mean diameter lower than 4 microns, controlled on demand |
| US06/622,083 US4574074A (en) | 1982-10-20 | 1983-10-18 | Process for the production of aluminum trihydroxide having a medium of less than 4 microns, which can be varied as required |
| PCT/FR1983/000210 WO1984001569A1 (fr) | 1982-10-20 | 1983-10-18 | Procede d'obtention de trihydroxyde d'aluminium de diametre median inferieur a 4 microns, regle a la demande |
| JP83503345A JPS59501711A (ja) | 1982-10-20 | 1983-10-18 | 要求に応じ調整された４ミクロン未満の直径中央値を有する三水酸化アルミニウムの製法 |
| YU2087/83A YU44172B (en) | 1982-10-20 | 1983-10-18 | Process for obtaining aluminium trihydroxide of determined grain size below 4 microns |
| HU84217A HU197864B (en) | 1982-10-20 | 1983-10-18 | Process for producing aluminium-trihydroxide in grains of middle size smaller than 4 micron |
| GR72727A GR78658B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-10-20 | 1983-10-18 | |
| BR8307582A BR8307582A (pt) | 1982-10-20 | 1983-10-18 | Processo de obtencao de triidroxido de aluminio de diametro medio inferior a 4 microns,fixacao pela demanda |
| CH5651/83A CH656869A5 (fr) | 1982-10-20 | 1983-10-18 | Procede d'obtention de trihydroxyde d'aluminium de diametre median inferieur a 4 microns, regle a la demande. |
| IE2454/83A IE56090B1 (en) | 1982-10-20 | 1983-10-19 | A process for the production of aluminium trihydroxide |
| TR22112A TR22112A (tr) | 1982-10-20 | 1983-10-19 | 4 mikrondan ufak orta caph alueminyum trihidroksit elde etmege mahsus yoentem |
| GB08327987A GB2130190B (en) | 1982-10-20 | 1983-10-19 | A process for the production of aluminiun trihydroxide |
| ZA837791A ZA837791B (en) | 1982-10-20 | 1983-10-19 | A process for the production of aluminium trihydroxide |
| CA000439320A CA1186488A (fr) | 1982-10-20 | 1983-10-19 | Procede d'obtention de trihydroxyde d'aluminium de diametre median inferieur a 4 microns, regle a la demande |
| ES526554A ES8504630A1 (es) | 1982-10-20 | 1983-10-19 | Procedimiento de obtencion de tihidroxido de aluminio de granulometria media igual o inferior a 4 micrometros. |
| DE19833338186 DE3338186A1 (de) | 1982-10-20 | 1983-10-20 | Verfahren zur erzeugung von aluminiumtrihydroxid mit einem nach bedarf regulierten mittleren durchmesser unter 4 (my)m |
| NO842409A NO842409L (no) | 1982-10-20 | 1984-06-15 | Fremgangsmaate for fremstilling av aluminium trihydroksyd med en midlere diameter paa under 4 my-m, varierbar etter oenske |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8217955A FR2534899A1 (fr) | 1982-10-20 | 1982-10-20 | Procede d'obtention de trihydroxyde d'a luminium de diametre median inferieur a 4 microns regle a la demande |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2534899A1 true FR2534899A1 (fr) | 1984-04-27 |
| FR2534899B1 FR2534899B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-01-25 |
Family
ID=9278625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8217955A Granted FR2534899A1 (fr) | 1982-10-20 | 1982-10-20 | Procede d'obtention de trihydroxyde d'a luminium de diametre median inferieur a 4 microns regle a la demande |
Country Status (26)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591581A1 (fr) * | 1985-12-17 | 1987-06-19 | Pechiney Aluminium | Procede d'obtention avec une forte productivite de trihydroxyde d'aluminium, de haute purete et de diametre median inferieur a 4 micrometres, regle a la demande. |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306480A (en) * | 1986-07-16 | 1994-04-26 | Alcan International Limited | Alumina hydrates |
| GB8617387D0 (en) * | 1986-07-16 | 1986-08-20 | Alcan Int Ltd | Alumina hydrates |
| US4822593A (en) * | 1986-12-11 | 1989-04-18 | Aluminum Company Of America | Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration |
| AU629254B2 (en) * | 1989-01-26 | 1992-10-01 | Showa Denko Kabushiki Kaisha | Aluminum hydroxide, process for its production and composition |
| US5127950A (en) * | 1989-09-14 | 1992-07-07 | Lonza Ltd. | Short-prismatic aluminum hydroxide, process for preparing same from supersaturated sodium aluminate-liquor, and compositions containing same |
| DE4231874A1 (de) * | 1992-09-23 | 1994-03-24 | Martinswerk Gmbh | Verfahren zur Herstellung eines Aluminiumhydroxids Al(OH)¶3¶ mit abgerundeter Kornoberfläche |
| FR2732332B1 (fr) * | 1995-03-31 | 1997-05-09 | Pechiney Aluminium | Procede de traitement de bauxite a trihydrate d'alumine a basse teneur en silice reactive |
| CA2205518A1 (en) * | 1996-05-16 | 1997-11-16 | Toshiyuki Mizoe | Aluminum hydroxide, method for producing the same, and method of use of the same |
| DE10162528A1 (de) * | 2001-12-19 | 2003-07-10 | Armstrong Dlw Ag | Verbesserung des Brandverhaltens eines Bodenbelags auf Linoleum- und Korkbasis |
| AU2003288990A1 (en) * | 2002-12-05 | 2004-06-23 | Showa Denko K.K. | Aluminum hydroxide and method for production thereof |
| GB201223271D0 (en) | 2012-12-21 | 2013-02-06 | Lucite Int Uk Ltd | Process for production of an alkylmethacrylate |
| CN104624130A (zh) * | 2015-02-12 | 2015-05-20 | 武汉大学 | 一种制备再生甲壳素微球的方法 |
| CN115490253B (zh) * | 2022-10-08 | 2023-06-20 | 山东理工大学 | 一种氢氧化铝微球的制备方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1311147A (fr) * | 1961-05-06 | 1962-12-07 | Electro Chimie Soc D | Procédé de fabrication de l'alumine |
| US3545923A (en) * | 1967-02-17 | 1970-12-08 | Pechiney Prod Chimiques Sa | Preparation of aluminum trihydrate crystals |
| US3838980A (en) * | 1972-01-12 | 1974-10-01 | Alcan Res & Dev | Precipitation of bayer alumina trihydrate suitable for the manufacture of ceramic grade alumina of improved grindability |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA540517A (en) * | 1957-05-07 | Chemical Construction Corporation | Catalytic precipitation of nickel, cobalt and zinc sulfides from dilute acid solutions | |
| US4150952A (en) * | 1977-07-21 | 1979-04-24 | Ormet Corporation | Method of controlling the amount of seed material in the precipitation stage of the Bayer process |
-
1982
- 1982-10-20 FR FR8217955A patent/FR2534899A1/fr active Granted
-
1983
- 1983-09-29 PH PH29618A patent/PH18669A/en unknown
- 1983-10-12 IN IN1265/CAL/83A patent/IN161557B/en unknown
- 1983-10-13 NL NL8303518A patent/NL8303518A/nl not_active Application Discontinuation
- 1983-10-13 AR AR294530A patent/AR229791A1/es active
- 1983-10-13 NZ NZ205957A patent/NZ205957A/en unknown
- 1983-10-13 OA OA58135A patent/OA07564A/xx unknown
- 1983-10-17 IT IT23324/83A patent/IT1169851B/it active
- 1983-10-17 MX MX199125A patent/MX157453A/es unknown
- 1983-10-18 YU YU2087/83A patent/YU44172B/xx unknown
- 1983-10-18 BR BR8307582A patent/BR8307582A/pt not_active IP Right Cessation
- 1983-10-18 GR GR72727A patent/GR78658B/el unknown
- 1983-10-18 WO PCT/FR1983/000210 patent/WO1984001569A1/fr unknown
- 1983-10-18 US US06/622,083 patent/US4574074A/en not_active Expired - Fee Related
- 1983-10-18 CH CH5651/83A patent/CH656869A5/fr not_active IP Right Cessation
- 1983-10-18 AU AU20781/83A patent/AU558785B2/en not_active Expired
- 1983-10-18 JP JP83503345A patent/JPS59501711A/ja active Pending
- 1983-10-18 HU HU84217A patent/HU197864B/hu not_active IP Right Cessation
- 1983-10-19 TR TR22112A patent/TR22112A/xx unknown
- 1983-10-19 IE IE2454/83A patent/IE56090B1/en not_active IP Right Cessation
- 1983-10-19 ES ES526554A patent/ES8504630A1/es not_active Expired
- 1983-10-19 CA CA000439320A patent/CA1186488A/fr not_active Expired
- 1983-10-19 GB GB08327987A patent/GB2130190B/en not_active Expired
- 1983-10-19 ZA ZA837791A patent/ZA837791B/xx unknown
- 1983-10-20 DE DE19833338186 patent/DE3338186A1/de active Granted
-
1984
- 1984-06-15 NO NO842409A patent/NO842409L/no unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1311147A (fr) * | 1961-05-06 | 1962-12-07 | Electro Chimie Soc D | Procédé de fabrication de l'alumine |
| US3545923A (en) * | 1967-02-17 | 1970-12-08 | Pechiney Prod Chimiques Sa | Preparation of aluminum trihydrate crystals |
| US3838980A (en) * | 1972-01-12 | 1974-10-01 | Alcan Res & Dev | Precipitation of bayer alumina trihydrate suitable for the manufacture of ceramic grade alumina of improved grindability |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591581A1 (fr) * | 1985-12-17 | 1987-06-19 | Pechiney Aluminium | Procede d'obtention avec une forte productivite de trihydroxyde d'aluminium, de haute purete et de diametre median inferieur a 4 micrometres, regle a la demande. |
| EP0231715A1 (fr) * | 1985-12-17 | 1987-08-12 | Aluminium Pechiney | Procédé d'obtention, avec une forte productivité de trihydroxyde d'aluminium, de haute pureté et de diamètre médian inférieur à 4 micromètres, réglé à la demande |
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