DE2155449A1 - Verfahren zur Herstellung eines dichten, feuerfesten Aluminiumoxyd-Korns mit einem Al tief 2 O tief 3 -Gehalt von wenigstens 95 Gewichtsprozent - Google Patents
Verfahren zur Herstellung eines dichten, feuerfesten Aluminiumoxyd-Korns mit einem Al tief 2 O tief 3 -Gehalt von wenigstens 95 GewichtsprozentInfo
- Publication number
- DE2155449A1 DE2155449A1 DE19712155449 DE2155449A DE2155449A1 DE 2155449 A1 DE2155449 A1 DE 2155449A1 DE 19712155449 DE19712155449 DE 19712155449 DE 2155449 A DE2155449 A DE 2155449A DE 2155449 A1 DE2155449 A1 DE 2155449A1
- Authority
- DE
- Germany
- Prior art keywords
- compacts
- percent
- weight
- aluminum trihydrate
- deep
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 29
- 230000008569 process Effects 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title description 12
- RREGISFBPQOLTM-UHFFFAOYSA-N alumane;trihydrate Chemical compound O.O.O.[AlH3] RREGISFBPQOLTM-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000010304 firing Methods 0.000 claims description 14
- 229910001679 gibbsite Inorganic materials 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 238000004131 Bayer process Methods 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 150000004684 trihydrates Chemical class 0.000 claims description 3
- 239000000463 material Substances 0.000 description 47
- 239000002994 raw material Substances 0.000 description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- 238000003825 pressing Methods 0.000 description 9
- 239000002562 thickening agent Substances 0.000 description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 6
- 230000036571 hydration Effects 0.000 description 6
- 238000006703 hydration reaction Methods 0.000 description 6
- 239000000395 magnesium oxide Substances 0.000 description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 4
- 239000001095 magnesium carbonate Substances 0.000 description 4
- 235000014380 magnesium carbonate Nutrition 0.000 description 4
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 235000019359 magnesium stearate Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical group O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001260900 Laevicaulis alte Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 229940063655 aluminum stearate Drugs 0.000 description 1
- MHCAFGMQMCSRGH-UHFFFAOYSA-N aluminum;hydrate Chemical compound O.[Al] MHCAFGMQMCSRGH-UHFFFAOYSA-N 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 238000012982 x-ray structure analysis 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
- C01F7/021—After-treatment of oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- 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)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10906571A | 1971-01-22 | 1971-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2155449A1 true DE2155449A1 (de) | 1972-08-03 |
Family
ID=22325606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712155449 Pending DE2155449A1 (de) | 1971-01-22 | 1971-11-08 | Verfahren zur Herstellung eines dichten, feuerfesten Aluminiumoxyd-Korns mit einem Al tief 2 O tief 3 -Gehalt von wenigstens 95 Gewichtsprozent |
Country Status (10)
| Country | Link |
|---|---|
| AU (1) | AU459268B2 (enExample) |
| BE (1) | BE775727A (enExample) |
| BR (1) | BR7107217D0 (enExample) |
| CA (1) | CA949592A (enExample) |
| DE (1) | DE2155449A1 (enExample) |
| FR (1) | FR2122849A5 (enExample) |
| GB (1) | GB1344689A (enExample) |
| IT (1) | IT941870B (enExample) |
| NL (1) | NL7115330A (enExample) |
| ZA (1) | ZA716887B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514758A1 (de) * | 1974-04-19 | 1975-10-30 | Alusuisse | Koernige aktivtonerde mit hoher scheinbarer dichte und hoher bruchfestigkeit |
-
1971
- 1971-10-13 CA CA125,017A patent/CA949592A/en not_active Expired
- 1971-10-14 ZA ZA716887A patent/ZA716887B/xx unknown
- 1971-10-15 AU AU34648/71A patent/AU459268B2/en not_active Expired
- 1971-10-25 GB GB4936671A patent/GB1344689A/en not_active Expired
- 1971-10-29 BR BR7217/71A patent/BR7107217D0/pt unknown
- 1971-11-08 DE DE19712155449 patent/DE2155449A1/de active Pending
- 1971-11-08 NL NL7115330A patent/NL7115330A/xx unknown
- 1971-11-23 BE BE775727A patent/BE775727A/xx unknown
- 1971-11-23 FR FR7141886A patent/FR2122849A5/fr not_active Expired
- 1971-11-30 IT IT31832/71A patent/IT941870B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514758A1 (de) * | 1974-04-19 | 1975-10-30 | Alusuisse | Koernige aktivtonerde mit hoher scheinbarer dichte und hoher bruchfestigkeit |
Also Published As
| Publication number | Publication date |
|---|---|
| IT941870B (it) | 1973-03-10 |
| FR2122849A5 (enExample) | 1972-09-01 |
| ZA716887B (en) | 1972-06-28 |
| BR7107217D0 (pt) | 1973-03-29 |
| AU3464871A (en) | 1973-06-21 |
| AU459268B2 (en) | 1975-03-20 |
| NL7115330A (enExample) | 1972-07-25 |
| BE775727A (fr) | 1972-05-23 |
| CA949592A (en) | 1974-06-18 |
| GB1344689A (en) | 1974-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |