GR20090100008A - Method for recovering of exloitable products from the solid waste of red mud. - Google Patents
Method for recovering of exloitable products from the solid waste of red mud.Info
- Publication number
- GR20090100008A GR20090100008A GR20090100008A GR20090100008A GR20090100008A GR 20090100008 A GR20090100008 A GR 20090100008A GR 20090100008 A GR20090100008 A GR 20090100008A GR 20090100008 A GR20090100008 A GR 20090100008A GR 20090100008 A GR20090100008 A GR 20090100008A
- Authority
- GR
- Greece
- Prior art keywords
- red mud
- oxides
- recycled
- products
- exloitable
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 7
- 239000002910 solid waste Substances 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract 2
- 239000007858 starting material Substances 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 229940037003 alum Drugs 0.000 abstract 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000004568 cement Substances 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000013067 intermediate product Substances 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- 235000013980 iron oxide Nutrition 0.000 abstract 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 abstract 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 238000001577 simple distillation Methods 0.000 abstract 1
- 229910001388 sodium aluminate Inorganic materials 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 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
- 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
- C01F7/04—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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- 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
- C01F7/68—Aluminium compounds containing sulfur
- C01F7/74—Sulfates
- C01F7/76—Double salts, i.e. compounds containing, besides aluminium and sulfate ions, only other cations, e.g. alums
-
- 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
- C01F7/68—Aluminium compounds containing sulfur
- C01F7/74—Sulfates
- C01F7/76—Double salts, i.e. compounds containing, besides aluminium and sulfate ions, only other cations, e.g. alums
- C01F7/762—Ammonium or alkali metal aluminium sulfates
- C01F7/765—Ammonium aluminium sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
Abstract
Method for the complete recovery of metal oxides from red mud which contains valuable oxides in high concentrations, such as titanium and aluminum oxides as well as iron oxides, which can be used as starting material for the production of ferrites. The proposed process provides ultra-pure products, in particular silica and calcium sulfate (starting materials for the cement industry), titanium dioxide (pigments), alum (pharmaceutical use) and magnetite (electric and electronic applications). The final product of the process is a solution of sodium aluminate, which can be recycled in the Bayer method. All the reagents used, i.e. hydrochloric acid, sulfuric acid, sodium hydroxide or ammonia, are completely recycled with simple distillation. More complex reagents or chelating factors can also be recycled, while the intermediate products are used in subsequent steps of the process. The energy requirements are low, since heat is emitted in certain steps. Finally, after completion of the process no residue of red mud is present (full exploitation).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR20090100008A GR20090100008A (en) | 2009-01-12 | 2009-01-12 | Method for recovering of exloitable products from the solid waste of red mud. |
PCT/GR2010/000003 WO2010079369A1 (en) | 2009-01-12 | 2010-01-12 | Valuable products obtained from red mud |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR20090100008A GR20090100008A (en) | 2009-01-12 | 2009-01-12 | Method for recovering of exloitable products from the solid waste of red mud. |
Publications (2)
Publication Number | Publication Date |
---|---|
GR1007098B GR1007098B (en) | 2010-07-12 |
GR20090100008A true GR20090100008A (en) | 2010-09-09 |
Family
ID=41323612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR20090100008A GR20090100008A (en) | 2009-01-12 | 2009-01-12 | Method for recovering of exloitable products from the solid waste of red mud. |
Country Status (2)
Country | Link |
---|---|
GR (1) | GR20090100008A (en) |
WO (1) | WO2010079369A1 (en) |
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CN101842504B (en) | 2007-05-21 | 2012-11-14 | 奥贝特铝业有限公司 | Processes for extracting aluminum from aluminous ores |
EP2588633B1 (en) | 2010-06-30 | 2021-03-03 | Keki Hormusji Gharda | Process for extracting metals from aluminoferrous titanoferrous ores and residues |
US20150203362A1 (en) * | 2011-01-18 | 2015-07-23 | Mohsen Amiran | Methods for Recovering Magnetite from Bauxite Residue |
JP2014508863A (en) | 2011-03-18 | 2014-04-10 | オーバイト アルミナ インコーポレイテッド | Method for recovering rare earth elements from aluminum-containing materials |
US9410227B2 (en) | 2011-05-04 | 2016-08-09 | Orbite Technologies Inc. | Processes for recovering rare earth elements from various ores |
EP2714594A4 (en) | 2011-06-03 | 2015-05-20 | Orbite Aluminae Inc | Methods for preparing hematite |
CN102432074A (en) * | 2011-08-30 | 2012-05-02 | 刘明诗 | Bayer process and Bayer sintering process aluminum oxide red mud zero-pollution and zero-residue treatment method |
US9382600B2 (en) | 2011-09-16 | 2016-07-05 | Orbite Technologies Inc. | Processes for preparing alumina and various other products |
CN102491346A (en) * | 2011-12-02 | 2012-06-13 | 太原理工大学 | Method for preparing white carbon black from aluminum oxide red mud |
JP6025868B2 (en) * | 2012-01-10 | 2016-11-16 | オーバイト アルミナ インコーポレイテッドOrbite Aluminae Inc. | Process to treat red mud |
KR101840058B1 (en) * | 2012-02-24 | 2018-03-20 | 에스케이이노베이션 주식회사 | Method of Preparing Modified Red Mud Using hydrochloric acid and phosphoric acid |
AU2013203808B2 (en) | 2012-03-29 | 2016-07-28 | Aem Technologies Inc. | Processes for treating fly ashes |
RU2597096C2 (en) | 2012-07-12 | 2016-09-10 | Орбит Алюминэ Инк. | Methods of producing titanium oxide and other products |
CN102745733B (en) * | 2012-07-18 | 2014-03-12 | 潘爱芳 | Method for separating useful components from sintered red mud |
CN102757078B (en) * | 2012-07-18 | 2014-03-05 | 潘爱芳 | Method for separating useful components from bayer process red mud |
BR112015006536A2 (en) | 2012-09-26 | 2017-08-08 | Orbite Aluminae Inc | processes for preparing alumina and magnesium chloride by hcl leaching of various materials. |
BR112015011049A2 (en) | 2012-11-14 | 2017-07-11 | Orbite Aluminae Inc | Methods for Purification of Aluminum Ions |
EP3060690B1 (en) * | 2013-10-21 | 2020-10-14 | Peloton Resources Pty Ltd. | Deriving high value products from waste red mud |
CN103588235B (en) * | 2013-11-18 | 2015-02-25 | 中国铝业股份有限公司 | Method for producing polyaluminium sulfate by using red mud slag |
CN104973745A (en) * | 2014-04-11 | 2015-10-14 | 河北建支铸造集团有限公司 | Harmless treatment method of red sludge in after-treatment liquid of cold galvanizing |
CN104071995B (en) * | 2014-07-18 | 2016-03-30 | 河南理工大学 | The online integrated conduct method of a kind of red mud |
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CN105776296B (en) * | 2016-04-01 | 2017-06-23 | 辽宁石化职业技术学院 | A kind of industrial aluminum sulphate production technology improved method |
CN110156029A (en) * | 2019-04-28 | 2019-08-23 | 于拴全 | Red mud Chemical Physics integrated conduct method |
CN110172538B (en) * | 2019-06-27 | 2021-01-29 | 深圳前海中能再生资源有限公司 | Efficient red mud resource utilization system and process |
CN111410212A (en) * | 2020-03-09 | 2020-07-14 | 安徽海德化工科技有限公司 | Method for recycling sulfuric acid production wastewater |
CN112011691A (en) * | 2020-08-28 | 2020-12-01 | 何耀 | Efficient resource utilization method for red mud |
CN112441614B (en) * | 2020-11-06 | 2023-03-17 | 陕西省地质调查实验中心 | Method for separating and recovering titanium dioxide from acidic solution |
CN112441815B (en) * | 2020-12-04 | 2022-08-30 | 太原科技大学 | Method for preparing microwave absorbing material by utilizing red mud and coal gangue and application thereof |
CN113912127B (en) * | 2021-11-26 | 2023-09-08 | 中伟新材料股份有限公司 | Method for removing silicon from manganese sulfate solution |
CN114368789B (en) * | 2021-12-16 | 2022-07-05 | 北部湾大学 | Method for preparing ferrous sulfate crystal from red mud and titanium white waste acid |
CN114655972B (en) * | 2022-04-27 | 2023-10-27 | 云南省生态环境科学研究院 | Method for efficiently removing organics from Bayer process alumina solution |
CN115465932A (en) * | 2022-10-24 | 2022-12-13 | 中化学朗正环保科技有限公司 | Method for removing sulfate ions in calcium salt concentrated solution |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3295924A (en) * | 1961-10-24 | 1967-01-03 | Montedison Spa | Process for recovering iron, titanium and aluminum from the red slurries obtained in processing bauxite by the bayer process |
US4119698A (en) * | 1976-11-26 | 1978-10-10 | Kernforschungsanlage Julich, Gesellschaft Mit Beschrankter Haftung | Reclamation treatment of red mud |
GB2083450A (en) * | 1980-08-26 | 1982-03-24 | Tatabanyai Szenbanyak | Reducing Iron Content of Raw Materials |
JPH02111627A (en) * | 1988-10-19 | 1990-04-24 | Mitsubishi Heavy Ind Ltd | Treatment of red mud |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3311449A (en) | 1962-02-12 | 1967-03-28 | Mitsubishi Shipbuilding & Eng | Process of recovering valuable components from red mud |
DE1592406B2 (en) | 1967-09-25 | 1978-12-14 | Bayer Ag, 5090 Leverkusen | Process for the production of titanium dioxide pigments with a high degree of whiteness |
US3776717A (en) | 1970-12-04 | 1973-12-04 | Tatabanyai Szenbanyak | Method for processing of red mud |
DE3215727A1 (en) | 1982-04-28 | 1983-11-03 | Rheinische Braunkohlenwerke AG, 5000 Köln | METHOD FOR TREATING RED SLUDGE |
RO91333B1 (en) * | 1985-03-06 | 1987-03-31 | Institutul Politehnic | Process for recovering the main components in the red slime sludge resulting from manufacturing alumina |
US5043077A (en) | 1989-12-11 | 1991-08-27 | Alcan International Limited | Treatment of bayer process red mud slurries |
AUPN808196A0 (en) | 1996-02-15 | 1996-03-07 | Queensland Alumina Limited | Red mud processing |
GB0313886D0 (en) * | 2003-06-16 | 2003-07-23 | Jha Animesh | Extraction route for Ti02 and alumina from bauxite and bauxitic residues,and titaniferrous deposits and wastes |
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2009
- 2009-01-12 GR GR20090100008A patent/GR20090100008A/en active IP Right Grant
-
2010
- 2010-01-12 WO PCT/GR2010/000003 patent/WO2010079369A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3295924A (en) * | 1961-10-24 | 1967-01-03 | Montedison Spa | Process for recovering iron, titanium and aluminum from the red slurries obtained in processing bauxite by the bayer process |
US4119698A (en) * | 1976-11-26 | 1978-10-10 | Kernforschungsanlage Julich, Gesellschaft Mit Beschrankter Haftung | Reclamation treatment of red mud |
GB2083450A (en) * | 1980-08-26 | 1982-03-24 | Tatabanyai Szenbanyak | Reducing Iron Content of Raw Materials |
JPH02111627A (en) * | 1988-10-19 | 1990-04-24 | Mitsubishi Heavy Ind Ltd | Treatment of red mud |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Week 199022, Derwent World Patents Index; AN 1990-169013, XP002557251 * |
THAKUR R S ET AL: "Utilization of red mud: Part II", JOURNAL OF SCIENTIFIC & INDUSTRIAL RESEARCH, XX, XX, vol. 42, 1 August 1983 (1983-08-01), pages 456 - 469, XP002097275 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010079369A1 (en) | 2010-07-15 |
GR1007098B (en) | 2010-07-12 |
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Effective date: 20140801 |
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Effective date: 20110119 |