CN103964480A - 一种盐酸法生产氧化铝的工艺 - Google Patents
一种盐酸法生产氧化铝的工艺 Download PDFInfo
- Publication number
- CN103964480A CN103964480A CN201410224244.8A CN201410224244A CN103964480A CN 103964480 A CN103964480 A CN 103964480A CN 201410224244 A CN201410224244 A CN 201410224244A CN 103964480 A CN103964480 A CN 103964480A
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- Prior art keywords
- acid
- aluminum chloride
- aluminum
- technique
- aluminum oxide
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 92
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 230000008569 process Effects 0.000 title claims abstract description 41
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims abstract description 158
- 239000002253 acid Substances 0.000 claims abstract description 108
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001704 evaporation Methods 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 23
- 230000008020 evaporation Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000001354 calcination Methods 0.000 claims abstract description 16
- 239000013078 crystal Substances 0.000 claims abstract description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 10
- 239000011707 mineral Substances 0.000 claims abstract description 10
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 229940063656 aluminum chloride Drugs 0.000 claims description 71
- 238000002425 crystallisation Methods 0.000 claims description 32
- 150000003839 salts Chemical class 0.000 claims description 31
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 30
- 230000008025 crystallization Effects 0.000 claims description 29
- 239000004411 aluminium Substances 0.000 claims description 21
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 19
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 19
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 15
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000006227 byproduct Substances 0.000 claims description 13
- 239000011552 falling film Substances 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 13
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 12
- 210000000582 semen Anatomy 0.000 claims description 12
- 239000001110 calcium chloride Substances 0.000 claims description 11
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 11
- 239000012452 mother liquor Substances 0.000 claims description 11
- JGDITNMASUZKPW-UHFFFAOYSA-K aluminium trichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Al](Cl)Cl JGDITNMASUZKPW-UHFFFAOYSA-K 0.000 claims description 10
- 229940009861 aluminum chloride hexahydrate Drugs 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 8
- 230000029087 digestion Effects 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000010413 mother solution Substances 0.000 claims description 8
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 7
- 230000002411 adverse Effects 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 239000005432 seston Substances 0.000 claims description 6
- 239000006200 vaporizer Substances 0.000 claims description 6
- 241000638935 Senecio crassissimus Species 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 4
- 239000000347 magnesium hydroxide Substances 0.000 claims description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims description 4
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 210000003298 dental enamel Anatomy 0.000 claims description 3
- 239000003456 ion exchange resin Substances 0.000 claims description 3
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 3
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 claims description 3
- 229910001570 bauxite Inorganic materials 0.000 abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 239000004927 clay Substances 0.000 abstract description 5
- 239000005995 Aluminium silicate Substances 0.000 abstract description 4
- 235000012211 aluminium silicate Nutrition 0.000 abstract description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052664 nepheline Inorganic materials 0.000 abstract description 4
- 239000010434 nepheline Substances 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract description 4
- 239000010883 coal ash Substances 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 2
- 230000020477 pH reduction Effects 0.000 abstract 2
- 238000000184 acid digestion Methods 0.000 abstract 1
- 229910052570 clay Inorganic materials 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000004131 Bayer process Methods 0.000 description 3
- 159000000013 aluminium salts Chemical class 0.000 description 3
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910001648 diaspore Inorganic materials 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000001164 aluminium sulphate Substances 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- -1 hydrochloric acid Chemical compound 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
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CN201410224244.8A CN103964480B (zh) | 2014-05-26 | 2014-05-26 | 一种盐酸法生产氧化铝的工艺 |
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CN201410224244.8A CN103964480B (zh) | 2014-05-26 | 2014-05-26 | 一种盐酸法生产氧化铝的工艺 |
Publications (2)
Publication Number | Publication Date |
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CN103964480A true CN103964480A (zh) | 2014-08-06 |
CN103964480B CN103964480B (zh) | 2016-08-17 |
Family
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Family Applications (1)
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CN201410224244.8A Expired - Fee Related CN103964480B (zh) | 2014-05-26 | 2014-05-26 | 一种盐酸法生产氧化铝的工艺 |
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104944456A (zh) * | 2015-06-26 | 2015-09-30 | 中南大学 | 一种酸法处理低铝矿物生产氧化铝的方法 |
AT516089A1 (de) * | 2014-08-14 | 2016-02-15 | Mme Engineering E U | Integriertes hydrometallurgisches Verfahren |
WO2016049777A1 (en) * | 2014-10-03 | 2016-04-07 | Orbite Technologies Inc. | Methods for purifying aluminum ions |
CN106966416A (zh) * | 2017-04-11 | 2017-07-21 | 中国神华能源股份有限公司 | 一种从煤粉炉粉煤灰中提取高纯氧化铝的方法 |
CN107010647A (zh) * | 2017-04-17 | 2017-08-04 | 石家庄工大化工设备有限公司 | 酸法提取粉煤灰中氧化铝的溶析结晶工艺 |
CN107473249A (zh) * | 2017-09-26 | 2017-12-15 | 东北大学设计研究院(有限公司) | 一种利用盐酸水解生产高纯氧化铝的装置和方法 |
CN109095478A (zh) * | 2018-10-31 | 2018-12-28 | 攀钢集团攀枝花钢铁研究院有限公司 | 粉煤灰和氯化废酸的综合利用方法 |
CN110386612A (zh) * | 2019-07-19 | 2019-10-29 | 王俊 | 一种高纯氧化铝的制备方法 |
CN110902703A (zh) * | 2019-12-27 | 2020-03-24 | 神华准能资源综合开发有限公司 | 一种粉煤灰盐酸法生产氧化铝并回收稀土元素的方法 |
CN111453752A (zh) * | 2020-06-09 | 2020-07-28 | 孙雪梅 | 一种高纯氧化铝及其制备方法 |
CN111747432A (zh) * | 2019-03-29 | 2020-10-09 | 沈阳铝镁设计研究院有限公司 | 一种提高氧化铝厂分解产率的方法 |
US11066723B2 (en) | 2019-01-24 | 2021-07-20 | Elixsys, Inc. | Systems and methods to chemically treat metal-bearing waste streams to recover value-added materials |
CN113929125A (zh) * | 2021-09-30 | 2022-01-14 | 神华准能资源综合开发有限公司 | 一种利用粉煤灰制备拟薄水铝石的方法 |
CN114618367A (zh) * | 2022-03-23 | 2022-06-14 | 神华准能资源综合开发有限公司 | 一种适用于盐酸法提取氧化铝的配料装置及配料方法 |
CN114737226A (zh) * | 2022-05-17 | 2022-07-12 | 山东宏拓实业有限公司 | 一种电解铝锂盐电解质体系配方 |
WO2022183251A1 (en) * | 2021-03-05 | 2022-09-09 | Alcoa Of Australia Limited | Method of preparing alumina |
US11479472B2 (en) | 2019-01-24 | 2022-10-25 | Elixsys, Inc. | Systems and methods to recover value-added materials from gypsum |
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US4366129A (en) * | 1981-04-08 | 1982-12-28 | Tatabanyai Szenbanyak | Process for producing alumina and ferric oxide from aluminium carriers with high iron and silicon content |
CN1126177A (zh) * | 1994-07-07 | 1996-07-10 | 王海舟 | 盐析法生产氧化铝 |
CN1565975A (zh) * | 2003-06-30 | 2005-01-19 | 王海舟 | 改良盐析法制备亚微米氧化铝工艺方法 |
CN103738989A (zh) * | 2012-12-28 | 2014-04-23 | 中国神华能源股份有限公司 | 一种中低品位铝土矿生产氧化铝的方法 |
-
2014
- 2014-05-26 CN CN201410224244.8A patent/CN103964480B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4366129A (en) * | 1981-04-08 | 1982-12-28 | Tatabanyai Szenbanyak | Process for producing alumina and ferric oxide from aluminium carriers with high iron and silicon content |
CN1126177A (zh) * | 1994-07-07 | 1996-07-10 | 王海舟 | 盐析法生产氧化铝 |
CN1565975A (zh) * | 2003-06-30 | 2005-01-19 | 王海舟 | 改良盐析法制备亚微米氧化铝工艺方法 |
CN103738989A (zh) * | 2012-12-28 | 2014-04-23 | 中国神华能源股份有限公司 | 一种中低品位铝土矿生产氧化铝的方法 |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT516089A1 (de) * | 2014-08-14 | 2016-02-15 | Mme Engineering E U | Integriertes hydrometallurgisches Verfahren |
WO2016023054A1 (de) * | 2014-08-14 | 2016-02-18 | Mme Engineering E.U. | Integriertes hydrometallurgisches verfahren |
AT516089B1 (de) * | 2014-08-14 | 2017-06-15 | Mme Eng E U | Hydrometallurgisches Verfahren |
WO2016049777A1 (en) * | 2014-10-03 | 2016-04-07 | Orbite Technologies Inc. | Methods for purifying aluminum ions |
CN104944456A (zh) * | 2015-06-26 | 2015-09-30 | 中南大学 | 一种酸法处理低铝矿物生产氧化铝的方法 |
CN106966416A (zh) * | 2017-04-11 | 2017-07-21 | 中国神华能源股份有限公司 | 一种从煤粉炉粉煤灰中提取高纯氧化铝的方法 |
CN107010647A (zh) * | 2017-04-17 | 2017-08-04 | 石家庄工大化工设备有限公司 | 酸法提取粉煤灰中氧化铝的溶析结晶工艺 |
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