JP5184075B2 - 溶融金属の精製方法 - Google Patents
溶融金属の精製方法 Download PDFInfo
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- JP5184075B2 JP5184075B2 JP2007503215A JP2007503215A JP5184075B2 JP 5184075 B2 JP5184075 B2 JP 5184075B2 JP 2007503215 A JP2007503215 A JP 2007503215A JP 2007503215 A JP2007503215 A JP 2007503215A JP 5184075 B2 JP5184075 B2 JP 5184075B2
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- Prior art keywords
- molten metal
- crystals
- solid
- metal
- crystal
- 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.)
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 204
- 239000002184 metal Substances 0.000 title claims abstract description 204
- 238000000034 method Methods 0.000 title claims abstract description 82
- 239000013078 crystal Substances 0.000 claims abstract description 216
- 230000005496 eutectics Effects 0.000 claims abstract description 52
- 238000000926 separation method Methods 0.000 claims abstract description 45
- 239000007787 solid Substances 0.000 claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 52
- 229910052782 aluminium Inorganic materials 0.000 claims description 52
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 238000001640 fractional crystallisation Methods 0.000 claims description 19
- 150000003839 salts Chemical class 0.000 claims description 19
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 238000007670 refining Methods 0.000 claims description 7
- 230000005672 electromagnetic field Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 6
- 239000006227 byproduct Substances 0.000 description 24
- 239000000047 product Substances 0.000 description 21
- 238000007711 solidification Methods 0.000 description 9
- 230000008023 solidification Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000012467 final product Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910000765 intermetallic Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 239000003923 scrap metal Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
-
- 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
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Description
Al[質量%] Fe[質量%] 質量[kg]
投入 99.5 0.5 100 分別結晶 精製Al結晶の 99.95 0.05 76
形態にある生成物
液体AlおよびFeの 98.1 1.9 24
形態にある副生成物
本発明の 精製Al結晶の 99.95 0.05 99
方法 形態にある生成物
液体AlおよびFeの 59 41 1
形態にある副生成物
Al[質量%] Fe[質量%] 質量[kg]
投入 97.0 3.0 100 異元素の 溶融Alの形態に 98.1 1.9 97
分離 ある生成物
Feを含む結晶の 59 41 3
形態にある副生成物
本発明の 精製Al結晶の 99.5 0.05 93
方法 形態にある生成物
Feを含む結晶の 59 41 7
形態にある副生成物
温度範囲(℃) 精製された Al3Fe AlFeSi−α 液体
Al結晶 副生成物 副生成物
(kg) (kg) (kg) (kg)
655.8-644.9 75 0 0 25
644.9-630.6 96.5 1.0 0 2.5
630.6 98.64 0.22 1.14 0
生成物 副生成物1 副生成物2 正味の副生成物
合計(kg) 98.64 0.22 1.14 1.36
%Fe 0.04 41 19 34
%Si 0.4 0.7 10 7
Claims (13)
- 一種以上の異元素を含む溶融金属の精製方法であって、前記溶融金属を共融温度に冷却し、精製された金属結晶および少なくとも一種の異元素を含む結晶を同時に形成し、固体−固体分離技術を使用し、前記少なくとも一種の異元素を含む結晶の少なくとも一部を、前記精製された金属結晶から分離し、その際、前記精製された金属結晶および前記少なくとも一種の異元素を含む結晶が連続的に形成され且つ分離され、前記固体−固体分離技術を使用する前に、前記精製された金属結晶および前記少なくとも一種の異元素を含む結晶の少なくとも一部を、前記溶融金属の実質的な総量から実質的に同時に分離する、方法。
- 前記固体−固体分離技術が、前記精製された金属結晶および前記少なくとも一種の異元素を含む結晶を複数の画分に分離することにより行われ、その際、前記画分の一つにおける前記精製された金属結晶の濃度と前記少なくとも一種の異元素を含む結晶の濃度との比が、前記溶融金属中における前記比よりも高い、請求項1に記載の方法。
- 前記少なくとも一種の異元素を含む結晶の少なくとも一部が、前記精製された金属結晶を含む溶融金属の実質的な総量から分離される、請求項1に記載の方法。
- 前記固体−固体分離が、遠心力を使用して行われる、請求項2に記載の方法。
- 前記固体−固体分離が、電磁界を使用して行われる、請求項2に記載の方法。
- 前記固体−固体分離が、浮選技術を使用して行われる、請求項2に記載の方法。
- 続いて固体−液体分離工程を行うことをさらに含んでなる、請求項4〜6のいずれか一項に記載の方法。
- 塩の層を、前記精製された金属結晶と前記少なくとも一種の異元素を含む結晶の両方を含む前記溶融金属の層と接触させ、前記少なくとも一種の異元素を含む結晶の少なくとも一部を前記塩の層の中に搬送する手段を使用し、前記精製された金属結晶の少なくとも一部を前記溶融金属から分離する、請求項3に記載の方法。
- 前記溶融金属がアルミニウムである、請求項1〜8のいずれか一項に記載の方法。
- 前記異元素が、鉄、ケイ素、銅、マンガンおよびマグネシウムの一種以上を含んでなる、請求項9に記載の方法。
- 前記一種以上の異元素を含む溶融金属を、分別結晶工程および固体−液体分離技術にかけてから、残留する前記溶融金属を共融温度に冷却し、精製された金属結晶および少なくとも一種の異元素を含む結晶を同時に形成する、請求項1〜10のいずれか一項に記載の方法。
- 前記固体−固体分離工程の後に残留する一種以上の異元素を含む溶融金属を、分別結晶工程および固体−液体分離技術に付する、請求項1〜11のいずれか一項に記載の方法。
- 前記固体−液体分離技術の後に残留する前記一種以上の異元素を含む溶融金属が、請求項1に記載の方法にかけられる、請求項12に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04075871.6 | 2004-03-19 | ||
| EP04075871 | 2004-03-19 | ||
| PCT/EP2005/001772 WO2005095658A1 (en) | 2004-03-19 | 2005-02-17 | Method for the purification of a molten metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007529625A JP2007529625A (ja) | 2007-10-25 |
| JP5184075B2 true JP5184075B2 (ja) | 2013-04-17 |
Family
ID=34928115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007503215A Expired - Fee Related JP5184075B2 (ja) | 2004-03-19 | 2005-02-17 | 溶融金属の精製方法 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7531023B2 (ja) |
| EP (1) | EP1727917B1 (ja) |
| JP (1) | JP5184075B2 (ja) |
| CN (1) | CN100406594C (ja) |
| AT (1) | ATE393245T1 (ja) |
| AU (1) | AU2005229082B2 (ja) |
| BR (1) | BRPI0508973A (ja) |
| CA (1) | CA2558104C (ja) |
| DE (1) | DE602005006254T2 (ja) |
| ES (1) | ES2304009T3 (ja) |
| NZ (1) | NZ549497A (ja) |
| WO (1) | WO2005095658A1 (ja) |
| ZA (1) | ZA200607288B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101685149B1 (ko) * | 2015-10-14 | 2016-12-09 | 한국과학기술원 | 이원소성 화합물의 상분리 현상을 이용한 실리신 제조방법, 이에 의하여 제조된 실리신 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1019105C2 (nl) | 2001-10-03 | 2003-04-04 | Corus Technology B V | Werkwijze en inrichting voor het beheersen van het aandeel kristallen in een vloeistof-kristalmengsel. |
| EP1380659A1 (en) | 2002-07-05 | 2004-01-14 | Corus Technology BV | Method for fractional crystallisation of a metal |
| EP1380658A1 (en) | 2002-07-05 | 2004-01-14 | Corus Technology BV | Method for fractional crystallisation of a molten metal |
| ES2300843T3 (es) | 2003-11-19 | 2008-06-16 | Aleris Switzerland Gmbh | Metodo para enfriar metal fundido durante la cristalizacion fraccionada. |
| WO2005095658A1 (en) | 2004-03-19 | 2005-10-13 | Corus Technology Bv | Method for the purification of a molten metal |
| ATE505565T1 (de) * | 2006-06-22 | 2011-04-15 | Aleris Switzerland Gmbh | Verfahren zur trennung von schmelzflüssigem aluminium und festen einschlüssen |
| FR2902800B1 (fr) | 2006-06-23 | 2008-08-22 | Alcan Rhenalu Sa | Procede de recyclage de scrap en alliage d'aluminium provenant de l'industrie aeronautique |
| US7892318B2 (en) | 2006-06-28 | 2011-02-22 | Aleris Switzerland Gmbh C/O K+P Treuhandgesellschaft | Crystallisation method for the purification of a molten metal, in particular recycled aluminium |
| WO2008003505A1 (en) | 2006-07-07 | 2008-01-10 | Aleris Switzerland Gmbh | Method and device for metal purification and separation of purified metal from a metal mother liquid such as aluminium |
| AU2008299386B2 (en) | 2007-09-14 | 2012-01-12 | Barrick Gold Corporation | Process for recovering platinum group metals using reductants |
| TWI476158B (zh) * | 2012-12-18 | 2015-03-11 | Nat Inst Chung Shan Science & Technology | 一種利用離心及酸洗提高金屬鎵純度的方法 |
| CN104878207B (zh) * | 2015-05-27 | 2017-04-26 | 遵义汇航机电有限公司 | 一种废旧汽车壳体金属材料分检方法 |
| WO2019035909A1 (en) * | 2017-08-16 | 2019-02-21 | Alcoa Usa Corp. | PROCESSES FOR RECYCLING AND PURIFYING ALUMINUM ALLOYS |
| CN114480864B (zh) * | 2020-11-13 | 2024-03-22 | 内蒙古君成科技有限公司 | 一种重熔离心电选分级提纯铝硅铁合金的方法 |
| CN114480866A (zh) * | 2020-11-13 | 2022-05-13 | 内蒙古君成科技有限公司 | 一种重熔离心浮选分级提纯铝硅铁合金的方法 |
| CN114480867B (zh) * | 2020-11-13 | 2024-06-21 | 内蒙古君成科技有限公司 | 一种重熔离心磁选分级提纯铝硅铁合金的方法 |
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2005
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- 2005-02-17 ZA ZA200607288A patent/ZA200607288B/en unknown
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- 2005-02-17 CA CA2558104A patent/CA2558104C/en not_active Expired - Fee Related
- 2005-02-17 DE DE602005006254T patent/DE602005006254T2/de not_active Expired - Lifetime
- 2005-02-17 US US10/598,731 patent/US7531023B2/en not_active Expired - Fee Related
- 2005-02-17 CN CNB2005800087748A patent/CN100406594C/zh not_active Expired - Fee Related
- 2005-02-17 BR BRPI0508973-5A patent/BRPI0508973A/pt active Search and Examination
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101685149B1 (ko) * | 2015-10-14 | 2016-12-09 | 한국과학기술원 | 이원소성 화합물의 상분리 현상을 이용한 실리신 제조방법, 이에 의하여 제조된 실리신 |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200607288B (en) | 2008-05-28 |
| EP1727917B1 (en) | 2008-04-23 |
| AU2005229082B2 (en) | 2010-01-07 |
| AU2005229082A1 (en) | 2005-10-13 |
| DE602005006254T2 (de) | 2009-06-25 |
| JP2007529625A (ja) | 2007-10-25 |
| US7531023B2 (en) | 2009-05-12 |
| EP1727917A1 (en) | 2006-12-06 |
| CN100406594C (zh) | 2008-07-30 |
| CA2558104C (en) | 2010-06-22 |
| CN1997762A (zh) | 2007-07-11 |
| WO2005095658A1 (en) | 2005-10-13 |
| NZ549497A (en) | 2009-05-31 |
| BRPI0508973A (pt) | 2007-08-28 |
| ES2304009T3 (es) | 2008-09-01 |
| ATE393245T1 (de) | 2008-05-15 |
| US20080000326A1 (en) | 2008-01-03 |
| CA2558104A1 (en) | 2005-10-13 |
| DE602005006254D1 (de) | 2008-06-05 |
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