OA11776A - Feed processing for improved alumina process performance. - Google Patents
Feed processing for improved alumina process performance. Download PDFInfo
- Publication number
- OA11776A OA11776A OA1200100042A OA1200100042A OA11776A OA 11776 A OA11776 A OA 11776A OA 1200100042 A OA1200100042 A OA 1200100042A OA 1200100042 A OA1200100042 A OA 1200100042A OA 11776 A OA11776 A OA 11776A
- Authority
- OA
- OAPI
- Prior art keywords
- feedstock
- alumina
- process defined
- treatment process
- daims
- Prior art date
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 152
- 238000000034 method Methods 0.000 title claims abstract description 144
- 238000012545 processing Methods 0.000 title description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000000567 combustion gas Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 41
- 238000004131 Bayer process Methods 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 150000004682 monohydrates Chemical class 0.000 claims description 30
- 150000004684 trihydrates Chemical class 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 20
- 230000000717 retained effect Effects 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims description 9
- 238000003801 milling Methods 0.000 claims description 7
- 230000002829 reductive effect Effects 0.000 claims description 7
- 230000002411 adverse Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000007669 thermal treatment Methods 0.000 claims description 4
- 239000010419 fine particle Substances 0.000 claims description 2
- SGPGESCZOCHFCL-UHFFFAOYSA-N Tilisolol hydrochloride Chemical compound [Cl-].C1=CC=C2C(=O)N(C)C=C(OCC(O)C[NH2+]C(C)(C)C)C2=C1 SGPGESCZOCHFCL-UHFFFAOYSA-N 0.000 claims 3
- 239000007787 solid Substances 0.000 abstract description 35
- 239000000047 product Substances 0.000 description 37
- 230000029087 digestion Effects 0.000 description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 17
- 229910052799 carbon Inorganic materials 0.000 description 17
- 238000012360 testing method Methods 0.000 description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 15
- 229910001570 bauxite Inorganic materials 0.000 description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 12
- 238000000605 extraction Methods 0.000 description 12
- 229940039748 oxalate Drugs 0.000 description 12
- 239000000377 silicon dioxide Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000007670 refining Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000003518 caustics Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 7
- 235000011941 Tilia x europaea Nutrition 0.000 description 7
- 239000004571 lime Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- 238000001354 calcination Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 150000002894 organic compounds Chemical class 0.000 description 5
- 235000017550 sodium carbonate Nutrition 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- 229940001593 sodium carbonate Drugs 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 150000004645 aluminates Chemical group 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910001593 boehmite Inorganic materials 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 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 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 241000209149 Zea Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000003891 oxalate salts Chemical class 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001648 diaspore Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 1
- 229940039790 sodium oxalate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
-
- 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
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0613—Pretreatment of the minerals, e.g. grinding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (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 |
|---|---|---|---|
| AUPP5314A AUPP531498A0 (en) | 1998-08-17 | 1998-08-17 | Feed processing for improved alumina process performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA11776A true OA11776A (en) | 2005-07-26 |
Family
ID=3809546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA1200100042A OA11776A (en) | 1998-08-17 | 1999-08-17 | Feed processing for improved alumina process performance. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6616902B1 (https=) |
| EP (1) | EP1109740A4 (https=) |
| JP (1) | JP2002523326A (https=) |
| CN (1) | CN1198762C (https=) |
| AU (1) | AUPP531498A0 (https=) |
| CA (1) | CA2340971A1 (https=) |
| EA (1) | EA002531B1 (https=) |
| MY (1) | MY123315A (https=) |
| OA (1) | OA11776A (https=) |
| WO (1) | WO2000010919A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008034196A1 (en) * | 2006-09-22 | 2008-03-27 | Alcoa Of Australia Limited | Method of concentrating a bayer process liquor |
| CN102161050B (zh) * | 2011-04-11 | 2012-09-26 | 德清县宝德炉料有限公司 | 生物法处理废弃滑板进行循环再利用的方法 |
| CN102258988A (zh) * | 2011-05-12 | 2011-11-30 | 湖北航特科技有限责任公司 | 一种高比表面积拟薄水铝石的预处理方法 |
| JP2016517385A (ja) * | 2013-03-13 | 2016-06-16 | ナルコ カンパニー | 架橋されたエチルスルホン化ジヒドロキシプロピルセルロース |
| DK3191406T3 (da) * | 2014-09-12 | 2021-02-08 | Usalco Llc | Fremgangsmåde til fremstilling af aluminiumchloridderivater |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2668751A (en) * | 1949-12-30 | 1954-02-09 | Kaiser Aluminium Chem Corp | Process for production of alumina |
| FR1077116A (fr) * | 1953-03-23 | 1954-11-04 | Pechiney | Alumine amorphe exceptionnellement réactive |
| DE1014087B (de) * | 1954-03-19 | 1957-08-22 | Kaiser Aluminium Chem Corp | Verfahren zum Extrahieren von Aluminiumoxyd aus aluminiumhaltigen Erzen |
| FR1106778A (fr) * | 1954-06-10 | 1955-12-22 | Pechiney | Perfectionnement à la préparation d'alumine activée à partir d'hydrargillite |
| US2915365A (en) * | 1954-06-28 | 1959-12-01 | Pechiney Prod Chimiques Sa | Method of preparing activated alumina from commercial alpha alumina trihydrate |
| US3227521A (en) * | 1961-01-17 | 1966-01-04 | Reynolds Metals Co | Process for producing substantially kappa-phase alumina |
| FR1295554A (fr) * | 1961-04-28 | 1962-06-08 | Electrochimie Soc | Dispositif pour la fabrication d'alumines anhydres |
| FR1330185A (fr) * | 1962-05-04 | 1963-06-21 | Electro Chimie Soc D | Perfectionnement au traitement des bauxites à trihydrate |
| FR1364940A (fr) * | 1963-07-29 | 1964-06-26 | Kaiser Aluminium Chem Corp | Procédé de fabrication de nodules d'alumine active à partir d'alumine hydratée |
| US3958341A (en) * | 1970-12-05 | 1976-05-25 | Bayer Aktiengesellschaft | Process for the production of active aluminum oxide in bead and powder form |
| JPS533359B2 (https=) * | 1971-09-27 | 1978-02-06 | ||
| US5141734A (en) * | 1983-11-07 | 1992-08-25 | Aluminum Company Of America | Steam producing process |
| CA2002172A1 (en) * | 1988-12-01 | 1990-06-01 | Neil Brown | Method for bauxite treatment |
| GB2257695B (en) * | 1991-07-10 | 1995-05-10 | Shell Int Research | Heat treatment of bauxite |
-
1998
- 1998-08-17 AU AUPP5314A patent/AUPP531498A0/en not_active Abandoned
-
1999
- 1999-08-17 MY MYPI99003531A patent/MY123315A/en unknown
- 1999-08-17 WO PCT/AU1999/000663 patent/WO2000010919A1/en not_active Ceased
- 1999-08-17 CN CNB998105554A patent/CN1198762C/zh not_active Expired - Fee Related
- 1999-08-17 OA OA1200100042A patent/OA11776A/en unknown
- 1999-08-17 US US09/763,065 patent/US6616902B1/en not_active Expired - Fee Related
- 1999-08-17 EA EA200100251A patent/EA002531B1/ru not_active IP Right Cessation
- 1999-08-17 CA CA002340971A patent/CA2340971A1/en not_active Abandoned
- 1999-08-17 JP JP2000566198A patent/JP2002523326A/ja active Pending
- 1999-08-17 EP EP99941318A patent/EP1109740A4/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000010919A1 (en) | 2000-03-02 |
| EA200100251A1 (ru) | 2001-08-27 |
| MY123315A (en) | 2006-05-31 |
| EP1109740A1 (en) | 2001-06-27 |
| CN1198762C (zh) | 2005-04-27 |
| CA2340971A1 (en) | 2000-03-02 |
| EA002531B1 (ru) | 2002-06-27 |
| EP1109740A4 (en) | 2006-06-28 |
| AUPP531498A0 (en) | 1998-09-10 |
| JP2002523326A (ja) | 2002-07-30 |
| CN1324328A (zh) | 2001-11-28 |
| US6616902B1 (en) | 2003-09-09 |
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