CA1086025A - Process for producing alumina - Google Patents
Process for producing aluminaInfo
- Publication number
- CA1086025A CA1086025A CA244,804A CA244804A CA1086025A CA 1086025 A CA1086025 A CA 1086025A CA 244804 A CA244804 A CA 244804A CA 1086025 A CA1086025 A CA 1086025A
- Authority
- CA
- Canada
- Prior art keywords
- alumina
- process according
- aluminum
- neutral
- activated
- 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
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 230000007935 neutral effect Effects 0.000 claims abstract description 13
- 230000002378 acidificating effect Effects 0.000 claims abstract description 8
- 230000004913 activation Effects 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 6
- 239000012736 aqueous medium Substances 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003929 acidic solution Substances 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims 1
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 claims 1
- 235000011164 potassium chloride Nutrition 0.000 claims 1
- 235000002639 sodium chloride Nutrition 0.000 claims 1
- 239000004411 aluminium Substances 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000002609 medium Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 description 11
- 239000013078 crystal Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000007858 starting material Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000005030 aluminium foil Substances 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000012467 final product Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 150000002730 mercury Chemical class 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- CBQYNPHHHJTCJS-UHFFFAOYSA-N Alline Chemical group C1=CC=C2C3(O)CCN(C)C3NC2=C1 CBQYNPHHHJTCJS-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000001063 aluminium ammonium sulphate Substances 0.000 description 1
- 235000011124 aluminium ammonium sulphate Nutrition 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- 239000001164 aluminium sulphate Substances 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- LCQXXBOSCBRNNT-UHFFFAOYSA-K ammonium aluminium sulfate Chemical compound [NH4+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LCQXXBOSCBRNNT-UHFFFAOYSA-K 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- QLNWXBAGRTUKKI-UHFFFAOYSA-N metacetamol Chemical group CC(=O)NC1=CC=CC(O)=C1 QLNWXBAGRTUKKI-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229940008718 metallic mercury Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- -1 shavings Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 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
- C01F7/42—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation
- C01F7/428—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation in an aqueous solution
-
- 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
- C01P2006/10—Solid density
-
- 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
-
- 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
- C01P2006/20—Powder free flowing behaviour
-
- 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
- C01P2006/21—Attrition-index or crushing strength of granulates
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU75PU00000193A HU171506B (hu) | 1975-02-03 | 1975-02-03 | Sposob poluchenija okisi aljuminija |
| HUPU-193 | 1975-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1086025A true CA1086025A (en) | 1980-09-23 |
Family
ID=11000650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA244,804A Expired CA1086025A (en) | 1975-02-03 | 1976-02-02 | Process for producing alumina |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5929526B2 (enrdf_load_stackoverflow) |
| AU (1) | AU501514B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1086025A (enrdf_load_stackoverflow) |
| CH (1) | CH597097A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2604083C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2299272A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1503073A (enrdf_load_stackoverflow) |
| HU (1) | HU171506B (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3003952A (en) * | 1957-11-04 | 1961-10-10 | Engelhard Ind Inc | Manufacture of platinum-alumina reforming catalyst |
| SE412031B (sv) * | 1971-05-25 | 1980-02-18 | Abildgaard Lab | Permforsedd bok och sett att framstella dylik |
-
1975
- 1975-02-03 HU HU75PU00000193A patent/HU171506B/hu unknown
-
1976
- 1976-01-28 JP JP51007583A patent/JPS5929526B2/ja not_active Expired
- 1976-01-30 AU AU10680/76A patent/AU501514B2/en not_active Expired
- 1976-01-30 CH CH134076A patent/CH597097A5/xx not_active IP Right Cessation
- 1976-02-02 FR FR7602799*[A patent/FR2299272A1/fr active Granted
- 1976-02-02 CA CA244,804A patent/CA1086025A/en not_active Expired
- 1976-02-02 GB GB3970/76A patent/GB1503073A/en not_active Expired
- 1976-02-03 DE DE2604083A patent/DE2604083C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2299272B1 (enrdf_load_stackoverflow) | 1981-09-18 |
| FR2299272A1 (fr) | 1976-08-27 |
| AU1068076A (en) | 1977-08-04 |
| AU501514B2 (en) | 1979-06-21 |
| DE2604083B2 (de) | 1980-07-10 |
| JPS51100995A (enrdf_load_stackoverflow) | 1976-09-06 |
| CH597097A5 (enrdf_load_stackoverflow) | 1978-03-31 |
| DE2604083A1 (de) | 1976-08-05 |
| GB1503073A (en) | 1978-03-08 |
| DE2604083C3 (de) | 1981-09-03 |
| HU171506B (hu) | 1978-01-28 |
| JPS5929526B2 (ja) | 1984-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |