CA1222121A - Method of processing sodium oxalate formed during the digestion of bauxite - Google Patents
Method of processing sodium oxalate formed during the digestion of bauxiteInfo
- Publication number
- CA1222121A CA1222121A CA000477697A CA477697A CA1222121A CA 1222121 A CA1222121 A CA 1222121A CA 000477697 A CA000477697 A CA 000477697A CA 477697 A CA477697 A CA 477697A CA 1222121 A CA1222121 A CA 1222121A
- Authority
- CA
- Canada
- Prior art keywords
- fluidized bed
- sodium
- aluminum
- drying
- effected
- 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
- 238000000034 method Methods 0.000 title claims abstract description 32
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 title claims abstract description 26
- 229940039790 sodium oxalate Drugs 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 230000029087 digestion Effects 0.000 title claims abstract description 8
- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 6
- 239000007789 gas Substances 0.000 claims abstract description 30
- 239000011734 sodium Substances 0.000 claims abstract description 22
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 18
- 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 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 12
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000004131 Bayer process Methods 0.000 claims abstract description 9
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 6
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001694 spray drying Methods 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 17
- 235000010210 aluminium Nutrition 0.000 claims description 14
- 239000012065 filter cake Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 5
- 229940024548 aluminum oxide Drugs 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 229940024545 aluminum hydroxide Drugs 0.000 description 14
- 229910000029 sodium carbonate Inorganic materials 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229940039748 oxalate Drugs 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229910018626 Al(OH) Inorganic materials 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/12—Preparation of double sulfates of magnesium with sodium or potassium
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
- C01F7/473—Removal of organic compounds, e.g. sodium oxalate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3411414.9 | 1984-03-28 | ||
| DE19843411414 DE3411414A1 (de) | 1984-03-28 | 1984-03-28 | Verfahren zum aufarbeiten des beim bauxit-aufschluss anfallenden natriumoxalates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1222121A true CA1222121A (en) | 1987-05-26 |
Family
ID=6231872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000477697A Expired CA1222121A (en) | 1984-03-28 | 1985-03-27 | Method of processing sodium oxalate formed during the digestion of bauxite |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4643885A (en, 2012) |
| JP (1) | JPS60255619A (en, 2012) |
| CN (1) | CN1010675B (en, 2012) |
| AU (1) | AU564334B2 (en, 2012) |
| BR (1) | BR8501396A (en, 2012) |
| CA (1) | CA1222121A (en, 2012) |
| DE (1) | DE3411414A1 (en, 2012) |
| ES (1) | ES8603347A1 (en, 2012) |
| FR (1) | FR2562057B1 (en, 2012) |
| GR (1) | GR850747B (en, 2012) |
| IN (1) | IN163406B (en, 2012) |
| IT (1) | IT1183494B (en, 2012) |
| NL (1) | NL8500897A (en, 2012) |
| YU (1) | YU43941B (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386451C (zh) * | 2006-03-30 | 2008-05-07 | 中南大学 | 铝土矿低温溶出法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5846450B2 (ja) * | 1978-07-11 | 1983-10-17 | 昭和軽金属株式会社 | バイヤ−循環液の処理方法 |
-
1984
- 1984-03-28 DE DE19843411414 patent/DE3411414A1/de not_active Withdrawn
-
1985
- 1985-03-16 IN IN198/CAL/85A patent/IN163406B/en unknown
- 1985-03-19 US US06/713,461 patent/US4643885A/en not_active Expired - Fee Related
- 1985-03-25 FR FR858504394A patent/FR2562057B1/fr not_active Expired - Lifetime
- 1985-03-26 GR GR850747A patent/GR850747B/el unknown
- 1985-03-26 YU YU492/85A patent/YU43941B/xx unknown
- 1985-03-26 JP JP60061761A patent/JPS60255619A/ja active Pending
- 1985-03-27 IT IT20105/85A patent/IT1183494B/it active
- 1985-03-27 AU AU40435/85A patent/AU564334B2/en not_active Ceased
- 1985-03-27 BR BR8501396A patent/BR8501396A/pt unknown
- 1985-03-27 NL NL8500897A patent/NL8500897A/nl not_active Application Discontinuation
- 1985-03-27 ES ES541617A patent/ES8603347A1/es not_active Expired
- 1985-03-27 CA CA000477697A patent/CA1222121A/en not_active Expired
- 1985-07-10 CN CN85105290A patent/CN1010675B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GR850747B (en, 2012) | 1985-07-22 |
| CN1010675B (zh) | 1990-12-05 |
| YU43941B (en) | 1989-12-31 |
| FR2562057A1 (fr) | 1985-10-04 |
| AU564334B2 (en) | 1987-08-06 |
| YU49285A (en) | 1988-02-29 |
| BR8501396A (pt) | 1985-11-26 |
| DE3411414A1 (de) | 1985-10-03 |
| US4643885A (en) | 1987-02-17 |
| ES541617A0 (es) | 1985-12-16 |
| IT1183494B (it) | 1987-10-22 |
| CN85105290A (zh) | 1987-01-07 |
| IT8520105A0 (it) | 1985-03-27 |
| JPS60255619A (ja) | 1985-12-17 |
| FR2562057B1 (fr) | 1990-06-08 |
| IN163406B (en, 2012) | 1988-09-17 |
| AU4043585A (en) | 1985-10-03 |
| ES8603347A1 (es) | 1985-12-16 |
| NL8500897A (nl) | 1985-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |