FR2187694A1 - Thermal reduction of red mud - from Bayer aluminium process using cpd contng calcium oxide - Google Patents
Thermal reduction of red mud - from Bayer aluminium process using cpd contng calcium oxideInfo
- Publication number
- FR2187694A1 FR2187694A1 FR7320439A FR7320439A FR2187694A1 FR 2187694 A1 FR2187694 A1 FR 2187694A1 FR 7320439 A FR7320439 A FR 7320439A FR 7320439 A FR7320439 A FR 7320439A FR 2187694 A1 FR2187694 A1 FR 2187694A1
- Authority
- FR
- France
- Prior art keywords
- contng
- cao
- red mud
- cpd
- calcium oxide
- 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.)
- Granted
Links
- 239000000292 calcium oxide Substances 0.000 title abstract 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title 1
- 229910052782 aluminium Inorganic materials 0.000 title 1
- 239000004411 aluminium Substances 0.000 title 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 title 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- 239000010802 sludge Substances 0.000 abstract 4
- 238000005201 scrubbing Methods 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- 235000017550 sodium carbonate Nutrition 0.000 abstract 2
- 229910021532 Calcite Inorganic materials 0.000 abstract 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 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 abstract 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- 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
-
- 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
- C01F7/066—Treatment of the separated residue
-
- 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
- C01F7/38—Preparation of aluminium oxide by thermal reduction of aluminous minerals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/02—General features in the manufacture of pig-iron by applying additives, e.g. fluxing agents
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture Of Iron (AREA)
- Treatment Of Sludge (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUMA002364 HU164466B (enrdf_load_stackoverflow) | 1972-06-06 | 1972-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2187694A1 true FR2187694A1 (en) | 1974-01-18 |
| FR2187694B1 FR2187694B1 (enrdf_load_stackoverflow) | 1976-09-17 |
Family
ID=10998580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7320439A Granted FR2187694A1 (en) | 1972-06-06 | 1973-06-05 | Thermal reduction of red mud - from Bayer aluminium process using cpd contng calcium oxide |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5324033B2 (enrdf_load_stackoverflow) |
| AU (1) | AU474476B2 (enrdf_load_stackoverflow) |
| DD (1) | DD105004A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2328674A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2187694A1 (enrdf_load_stackoverflow) |
| HU (1) | HU164466B (enrdf_load_stackoverflow) |
| IT (1) | IT1017518B (enrdf_load_stackoverflow) |
| RO (1) | RO64744A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061408A1 (en) * | 2003-12-24 | 2005-07-07 | Mt Aspiring Geochemistry Consultants Pty Ltd | Porous particulate material for fluid treatment, cementitious composition and method of manufacture thereof |
| CN1300348C (zh) * | 2005-09-22 | 2007-02-14 | 贵阳铝镁设计研究院 | 赤泥中回收铁的方法 |
| CN115159552B (zh) * | 2022-07-04 | 2024-01-26 | 重庆大学 | 一种从含铝资源中回收氧化铝的方法 |
| CN118127341B (zh) * | 2024-02-05 | 2024-12-06 | 河北文丰新材料有限公司 | 一种回收赤泥中铝资源的方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR824417A (fr) * | 1936-07-20 | 1938-02-08 | Montedison Spa | Procédé de préparation de l'alumine |
| US2964383A (en) * | 1958-09-05 | 1960-12-13 | Reynolds Metals Co | Processing of ferruginous aluminum ores |
-
1972
- 1972-06-06 HU HUMA002364 patent/HU164466B/hu unknown
-
1973
- 1973-06-01 AU AU56405/73A patent/AU474476B2/en not_active Expired
- 1973-06-04 DD DD17136373A patent/DD105004A5/xx unknown
- 1973-06-05 FR FR7320439A patent/FR2187694A1/fr active Granted
- 1973-06-06 RO RO7504973A patent/RO64744A/ro unknown
- 1973-06-06 JP JP6369673A patent/JPS5324033B2/ja not_active Expired
- 1973-06-06 DE DE2328674A patent/DE2328674A1/de active Pending
- 1973-06-12 IT IT2507373A patent/IT1017518B/it active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR824417A (fr) * | 1936-07-20 | 1938-02-08 | Montedison Spa | Procédé de préparation de l'alumine |
| US2964383A (en) * | 1958-09-05 | 1960-12-13 | Reynolds Metals Co | Processing of ferruginous aluminum ores |
Also Published As
| Publication number | Publication date |
|---|---|
| DD105004A5 (enrdf_load_stackoverflow) | 1974-04-05 |
| IT1017518B (it) | 1977-08-10 |
| HU164466B (enrdf_load_stackoverflow) | 1974-02-28 |
| AU474476B2 (en) | 1976-07-22 |
| DE2328674A1 (de) | 1974-01-10 |
| AU5640573A (en) | 1974-12-05 |
| RO64744A (ro) | 1980-04-15 |
| FR2187694B1 (enrdf_load_stackoverflow) | 1976-09-17 |
| JPS5324033B2 (enrdf_load_stackoverflow) | 1978-07-18 |
| JPS5016608A (enrdf_load_stackoverflow) | 1975-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |