CN101818253B - 电解铝废料分离提纯方法 - Google Patents
电解铝废料分离提纯方法 Download PDFInfo
- Publication number
- CN101818253B CN101818253B CN2010101683036A CN201010168303A CN101818253B CN 101818253 B CN101818253 B CN 101818253B CN 2010101683036 A CN2010101683036 A CN 2010101683036A CN 201010168303 A CN201010168303 A CN 201010168303A CN 101818253 B CN101818253 B CN 101818253B
- Authority
- CN
- China
- Prior art keywords
- separation
- electrolytic aluminum
- aluminum scraps
- purification method
- silicon
- 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 - Fee Related
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 56
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 238000000746 purification Methods 0.000 title claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 61
- 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 37
- 229910052742 iron Inorganic materials 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000010703 silicon Substances 0.000 claims abstract description 27
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 27
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000003792 electrolyte Substances 0.000 claims abstract description 12
- 239000000047 product Substances 0.000 claims abstract description 10
- 150000004673 fluoride salts Chemical class 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001948 sodium oxide Inorganic materials 0.000 claims abstract description 4
- 239000011775 sodium fluoride Substances 0.000 claims abstract description 3
- 235000013024 sodium fluoride Nutrition 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- 239000013078 crystal Substances 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 10
- CSMWJXBSXGUPGY-UHFFFAOYSA-L sodium dithionate Chemical group [Na+].[Na+].[O-]S(=O)(=O)S([O-])(=O)=O CSMWJXBSXGUPGY-UHFFFAOYSA-L 0.000 claims description 9
- 229940075931 sodium dithionate Drugs 0.000 claims description 9
- 230000005291 magnetic effect Effects 0.000 claims description 8
- 238000007885 magnetic separation Methods 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 238000005188 flotation Methods 0.000 claims description 7
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- JJEJDZONIFQNHG-UHFFFAOYSA-N [C+4].N Chemical compound [C+4].N JJEJDZONIFQNHG-UHFFFAOYSA-N 0.000 claims description 4
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 4
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- -1 ammonium aluminate Chemical class 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 claims description 3
- RMGVZKRVHHSUIM-UHFFFAOYSA-N dithionic acid Chemical compound OS(=O)(=O)S(O)(=O)=O RMGVZKRVHHSUIM-UHFFFAOYSA-N 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000012279 sodium borohydride Substances 0.000 claims description 3
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910000051 zinc hydride Inorganic materials 0.000 claims description 3
- 150000001721 carbon Chemical class 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 7
- 239000006227 byproduct Substances 0.000 abstract description 3
- 229910001610 cryolite Inorganic materials 0.000 abstract 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 abstract 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 abstract 1
- 239000001099 ammonium carbonate Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000011084 recovery Methods 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000006148 magnetic separator Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 208000031973 Conjunctivitis infective Diseases 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 201000001028 acute contagious conjunctivitis Diseases 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000009993 causticizing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000005406 washing Methods 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
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CN2010101683036A CN101818253B (zh) | 2010-05-11 | 2010-05-11 | 电解铝废料分离提纯方法 |
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CN2010101683036A CN101818253B (zh) | 2010-05-11 | 2010-05-11 | 电解铝废料分离提纯方法 |
Publications (2)
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CN101818253A CN101818253A (zh) | 2010-09-01 |
CN101818253B true CN101818253B (zh) | 2011-10-05 |
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CN2010101683036A Expired - Fee Related CN101818253B (zh) | 2010-05-11 | 2010-05-11 | 电解铝废料分离提纯方法 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103359768B (zh) * | 2012-04-06 | 2016-08-10 | 周俊和 | 一种氟化盐生产用电炉感应线圈安装结构 |
CN103359767B (zh) * | 2012-04-06 | 2016-08-10 | 周俊和 | 一种氟化盐生产用电炉 |
CN102616745B (zh) * | 2012-04-06 | 2016-12-14 | 周俊和 | 一种氟化盐生产方法 |
CN102602972B (zh) * | 2012-04-06 | 2016-08-10 | 周俊和 | 一种氟化盐生产装置 |
CN102992299B (zh) * | 2012-12-04 | 2016-08-10 | 周俊和 | 一种电解铝废阴极料渣高温煅烧方法 |
CN106064813B (zh) * | 2016-05-27 | 2018-07-31 | 中南大学 | 一种铝电解槽废旧阴极炭块综合回收方法 |
CN114314625B (zh) * | 2022-01-07 | 2023-03-31 | 东北大学 | 一种复杂铝电解质回收氟化盐的方法 |
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CN101063215B (zh) * | 2007-05-31 | 2010-11-10 | 中国铝业股份有限公司 | 一种提取铝电解阳极碳渣中电解质的方法 |
CN101486506B (zh) * | 2008-01-18 | 2011-04-06 | 中国科学院沈阳应用生态研究所 | 一种饮用水除砷装置 |
CN101289752B (zh) * | 2008-06-12 | 2010-08-18 | 河南省登封铝业有限公司 | 再生铝电解质及其熟化处理方法 |
CN101423898B (zh) * | 2008-12-03 | 2010-12-08 | 中南大学 | 一种废弃电路板的回收方法 |
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Owner name: ZOU JIANMING Free format text: FORMER OWNER: GUIZHOU LVCHENG ALUMINUM MATERIAL RESEARCH AND DEVELOPMENT CO., LTD. Effective date: 20130715 |
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Effective date of registration: 20131008 Address after: 550014, Guizhou Guiyang Baiyun District aluminum and aluminum processing base, East Ring Road Aluminum City Aluminum Patentee after: GUIZHOU ALUMINUM CITY ALUMINUM INDUSTRY RAW MATERIAL RESEARCH DEVELOPMENT CO.,LTD. Address before: 102200, Beijing, Huilongguan, Changping, Yue long, four, 3-1-4-501 Patentee before: Wang Gang |
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