GB1577801A - Alumina and its production - Google Patents
Alumina and its production Download PDFInfo
- Publication number
- GB1577801A GB1577801A GB30923/77A GB3092377A GB1577801A GB 1577801 A GB1577801 A GB 1577801A GB 30923/77 A GB30923/77 A GB 30923/77A GB 3092377 A GB3092377 A GB 3092377A GB 1577801 A GB1577801 A GB 1577801A
- Authority
- GB
- United Kingdom
- Prior art keywords
- agglomerates
- intermediate product
- alumina
- product
- heat treatment
- 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 description 30
- 238000004519 manufacturing process Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims description 31
- 239000000047 product Substances 0.000 claims description 23
- 239000013067 intermediate product Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 17
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 13
- 239000005864 Sulphur Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- YDIQKOIXOOOXQQ-UHFFFAOYSA-H dialuminum;trisulfite Chemical compound [Al+3].[Al+3].[O-]S([O-])=O.[O-]S([O-])=O.[O-]S([O-])=O YDIQKOIXOOOXQQ-UHFFFAOYSA-H 0.000 claims description 10
- 239000008188 pellet Substances 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- BYFGZMCJNACEKR-UHFFFAOYSA-N aluminium(i) oxide Chemical compound [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 238000004131 Bayer process Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 235000010210 aluminium Nutrition 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-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 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
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical compound O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate 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
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
-
- 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)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 |
|---|---|---|---|
| FR7623131A FR2359096A1 (fr) | 1976-07-23 | 1976-07-23 | Agglomeres d'alumine de bonne resistance mecanique obtenus a partir de sulfites d'aluminium hydrates et procede d'obtention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1577801A true GB1577801A (en) | 1980-10-29 |
Family
ID=9176303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30923/77A Expired GB1577801A (en) | 1976-07-23 | 1977-07-22 | Alumina and its production |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5314699A (enExample) |
| DD (1) | DD131085A5 (enExample) |
| DE (1) | DE2733004C3 (enExample) |
| FR (1) | FR2359096A1 (enExample) |
| GB (1) | GB1577801A (enExample) |
| IL (1) | IL52527A (enExample) |
| NL (1) | NL182556C (enExample) |
| NO (1) | NO143496C (enExample) |
| PL (1) | PL111053B1 (enExample) |
| PT (1) | PT66835B (enExample) |
| SE (1) | SE427176B (enExample) |
| TR (1) | TR19324A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5694651A (en) * | 1979-12-28 | 1981-07-31 | Tokyo Denshi Kagaku Kabushiki | Manufacture of material for electronic parts |
| JPH0620156U (ja) * | 1992-02-06 | 1994-03-15 | 村田機械株式会社 | 天井走行車装置 |
-
1976
- 1976-07-23 FR FR7623131A patent/FR2359096A1/fr active Granted
-
1977
- 1977-07-14 IL IL52527A patent/IL52527A/xx not_active IP Right Cessation
- 1977-07-15 TR TR19324A patent/TR19324A/xx unknown
- 1977-07-18 PL PL1977199726A patent/PL111053B1/pl unknown
- 1977-07-20 NO NO772589A patent/NO143496C/no unknown
- 1977-07-21 PT PT66835A patent/PT66835B/pt unknown
- 1977-07-21 SE SE7708435A patent/SE427176B/xx not_active IP Right Cessation
- 1977-07-21 DE DE2733004A patent/DE2733004C3/de not_active Expired
- 1977-07-22 DD DD7700200235A patent/DD131085A5/xx unknown
- 1977-07-22 NL NLAANVRAGE7708199,A patent/NL182556C/xx not_active IP Right Cessation
- 1977-07-22 GB GB30923/77A patent/GB1577801A/en not_active Expired
- 1977-07-22 JP JP8825477A patent/JPS5314699A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2733004A1 (de) | 1978-02-09 |
| NL7708199A (nl) | 1978-01-25 |
| DE2733004C3 (de) | 1980-07-10 |
| IL52527A (en) | 1980-09-16 |
| FR2359096A1 (fr) | 1978-02-17 |
| PL111053B1 (en) | 1980-08-30 |
| IL52527A0 (en) | 1977-10-31 |
| SE427176B (sv) | 1983-03-14 |
| FR2359096B1 (enExample) | 1978-12-15 |
| JPS5314699A (en) | 1978-02-09 |
| PT66835A (fr) | 1977-08-01 |
| NO143496C (no) | 1981-02-25 |
| DE2733004B2 (de) | 1979-10-31 |
| NO772589L (no) | 1978-01-24 |
| PL199726A1 (pl) | 1978-04-10 |
| NO143496B (no) | 1980-11-17 |
| TR19324A (tr) | 1978-11-28 |
| PT66835B (fr) | 1978-12-27 |
| SE7708435L (sv) | 1978-01-24 |
| DD131085A5 (de) | 1978-05-31 |
| JPS5537488B2 (enExample) | 1980-09-29 |
| NL182556C (nl) | 1988-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930722 |