CN116254422B - 一种废杂铝的预处理与熔炼再生方法 - Google Patents
一种废杂铝的预处理与熔炼再生方法 Download PDFInfo
- Publication number
- CN116254422B CN116254422B CN202211649833.1A CN202211649833A CN116254422B CN 116254422 B CN116254422 B CN 116254422B CN 202211649833 A CN202211649833 A CN 202211649833A CN 116254422 B CN116254422 B CN 116254422B
- Authority
- CN
- China
- Prior art keywords
- aluminum
- aluminum alloy
- waste
- alloy liquid
- waste aluminum
- 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.)
- Active
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 249
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 248
- 239000002699 waste material Substances 0.000 title claims abstract description 157
- 238000003723 Smelting Methods 0.000 title claims abstract description 33
- 238000011069 regeneration method Methods 0.000 title claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 198
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 134
- 238000007670 refining Methods 0.000 claims abstract description 83
- 238000007872 degassing Methods 0.000 claims abstract description 64
- 229910052742 iron Inorganic materials 0.000 claims abstract description 64
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 238000005266 casting Methods 0.000 claims abstract description 23
- 238000007885 magnetic separation Methods 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 140
- 239000003795 chemical substances by application Substances 0.000 claims description 59
- 239000007789 gas Substances 0.000 claims description 40
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052786 argon Inorganic materials 0.000 claims description 18
- 229910002804 graphite Inorganic materials 0.000 claims description 18
- 239000010439 graphite Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000460 chlorine Substances 0.000 claims description 14
- 229910052801 chlorine Inorganic materials 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 239000003973 paint Substances 0.000 claims description 12
- 239000005060 rubber Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 11
- 239000000123 paper Substances 0.000 claims description 11
- 239000002023 wood Substances 0.000 claims description 11
- 239000011261 inert gas Substances 0.000 claims description 9
- 230000001172 regenerating effect Effects 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000005188 flotation Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 abstract description 11
- 239000000956 alloy Substances 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 10
- 238000007664 blowing Methods 0.000 abstract description 7
- 230000033228 biological regulation Effects 0.000 abstract description 6
- 239000002893 slag Substances 0.000 description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 16
- 239000001257 hydrogen Substances 0.000 description 16
- 229910052739 hydrogen Inorganic materials 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 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 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- -1 greasy dirt Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910018626 Al(OH) Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- RIVZIMVWRDTIOQ-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co].[Co] RIVZIMVWRDTIOQ-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- VHHHONWQHHHLTI-UHFFFAOYSA-N hexachloroethane Chemical compound ClC(Cl)(Cl)C(Cl)(Cl)Cl VHHHONWQHHHLTI-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002536 laser-induced breakdown spectroscopy Methods 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009716 squeeze casting Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 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
- C22B21/00—Obtaining aluminium
- C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- 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
- C22B21/0084—Obtaining aluminium melting and handling molten aluminium
- C22B21/0092—Remelting scrap, skimmings or any secondary source aluminium
-
- 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
- C22B7/001—Dry processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211649833.1A CN116254422B (zh) | 2022-12-21 | 2022-12-21 | 一种废杂铝的预处理与熔炼再生方法 |
PCT/CN2023/086844 WO2024130894A1 (zh) | 2022-12-21 | 2023-04-07 | 一种废杂铝的预处理与熔炼再生方法 |
ZA2023/04279A ZA202304279B (en) | 2022-12-21 | 2023-04-11 | Pretreatment and smelting regeneration method for scrap aluminum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211649833.1A CN116254422B (zh) | 2022-12-21 | 2022-12-21 | 一种废杂铝的预处理与熔炼再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116254422A CN116254422A (zh) | 2023-06-13 |
CN116254422B true CN116254422B (zh) | 2024-03-08 |
Family
ID=86680084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211649833.1A Active CN116254422B (zh) | 2022-12-21 | 2022-12-21 | 一种废杂铝的预处理与熔炼再生方法 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN116254422B (zh) |
WO (1) | WO2024130894A1 (zh) |
ZA (1) | ZA202304279B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115874059A (zh) * | 2022-12-21 | 2023-03-31 | 佛山市辰辉金属科技有限公司 | 一种再生铝合金熔体的除气除杂净化方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110643820A (zh) * | 2019-10-21 | 2020-01-03 | 湖北华力科技有限公司 | 一种再生铝合金的环保熔炼方法 |
CN111424196A (zh) * | 2020-04-02 | 2020-07-17 | 山东南山铝业股份有限公司 | 一种民机用大规格7系铝合金铸锭及其制备方法 |
CN111471903A (zh) * | 2019-01-24 | 2020-07-31 | 苏州铭恒金属科技有限公司 | 一种铝合金铸锭及其生产工艺 |
CN112921194A (zh) * | 2021-01-25 | 2021-06-08 | 佛山市辰辉金属科技有限公司 | 一种由废铝制备高性能目标成分再生铝合金的方法 |
CN113234949A (zh) * | 2021-05-12 | 2021-08-10 | 南昌大学 | 一种废杂铝合金制备再生变形铝合金的方法 |
CN114231766A (zh) * | 2021-12-16 | 2022-03-25 | 西南铝业(集团)有限责任公司 | 一种5056铝合金铸锭的制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011102422A (ja) * | 2009-11-11 | 2011-05-26 | Fujifilm Corp | 印刷版用支持体の材料再生方法 |
CN103146924B (zh) * | 2013-03-18 | 2014-05-28 | 天津立中合金集团有限公司 | 一种再生铝生产过程中多级除杂精炼方法 |
CN103409667B (zh) * | 2013-07-30 | 2015-07-15 | 江阴新仁科技有限公司 | 用铝废料生产的专用pcb铝基箔材的制备工艺 |
CN109518045A (zh) * | 2017-09-20 | 2019-03-26 | 北京科技大学 | 一种废旧飞机铝合金再利用生产2024或7075铝合金的方法 |
CN110760706B (zh) * | 2018-07-26 | 2022-07-29 | 中国科学院过程工程研究所 | 一种由航空工业铝合金废料再生制备含铜铝合金的方法 |
CN109207757A (zh) * | 2018-09-19 | 2019-01-15 | 北京科技大学 | 一种报废汽车废杂铝再利用的方法 |
CN109881024A (zh) * | 2019-03-11 | 2019-06-14 | 北京科技大学 | 一种再生铝合金非气体杂质的去除方法 |
CN112553467A (zh) * | 2020-11-24 | 2021-03-26 | 南通众福新材料科技有限公司 | 低Zn低Cu类再生铝合金生产的工艺 |
CN112921179B (zh) * | 2021-01-25 | 2022-08-02 | 佛山市辰辉金属科技有限公司 | 一种报废汽车零部件铝合金的循环再生方法及应用 |
-
2022
- 2022-12-21 CN CN202211649833.1A patent/CN116254422B/zh active Active
-
2023
- 2023-04-07 WO PCT/CN2023/086844 patent/WO2024130894A1/zh unknown
- 2023-04-11 ZA ZA2023/04279A patent/ZA202304279B/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111471903A (zh) * | 2019-01-24 | 2020-07-31 | 苏州铭恒金属科技有限公司 | 一种铝合金铸锭及其生产工艺 |
CN110643820A (zh) * | 2019-10-21 | 2020-01-03 | 湖北华力科技有限公司 | 一种再生铝合金的环保熔炼方法 |
CN111424196A (zh) * | 2020-04-02 | 2020-07-17 | 山东南山铝业股份有限公司 | 一种民机用大规格7系铝合金铸锭及其制备方法 |
CN112921194A (zh) * | 2021-01-25 | 2021-06-08 | 佛山市辰辉金属科技有限公司 | 一种由废铝制备高性能目标成分再生铝合金的方法 |
CN113234949A (zh) * | 2021-05-12 | 2021-08-10 | 南昌大学 | 一种废杂铝合金制备再生变形铝合金的方法 |
CN114231766A (zh) * | 2021-12-16 | 2022-03-25 | 西南铝业(集团)有限责任公司 | 一种5056铝合金铸锭的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN116254422A (zh) | 2023-06-13 |
ZA202304279B (en) | 2023-06-28 |
WO2024130894A1 (zh) | 2024-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102912140B (zh) | 一种废铝易拉罐绿色循环保级再利用的方法 | |
CN101921934B (zh) | 高性能均匀性铝合金锭的生产方法 | |
CN101921933B (zh) | 一种高纯度稳定型铝合金锭的生产方法 | |
CN101921935B (zh) | 环保型低气含量铝合金锭的生产方法 | |
CN101998885B (zh) | 用于对塑料富集的废物进行处理的方法和设备 | |
CN116254422B (zh) | 一种废杂铝的预处理与熔炼再生方法 | |
US4108644A (en) | Manufacture of reactive metals and alloys | |
CN101633983B (zh) | 一种提高锌熔铸回收率的方法 | |
CN115725846B (zh) | 一种废旧建筑铝型材铝合金的回收再生方法 | |
US6916356B2 (en) | Method for preparing aluminum-silicon alloys | |
CN112626339A (zh) | 一种提高铝轮毂回收废屑的制备方法 | |
CN111961874A (zh) | 一种用于火法铝灰提铝的分离剂及其制备和使用方法 | |
CN116426776A (zh) | 再生铝在a356铝合金制备中的应用 | |
CN111088431B (zh) | 一种电子行业纯镍金属带材废料循环回收再利用的方法 | |
JPH09263852A (ja) | アルミニウム加圧成形体及び鉄鋼用脱酸剤もしくは再溶解アルミニウム用原料 | |
NO781703L (no) | Fremgangsmaate for gjenvinning av frie metaller fra dross, og apparat for gjennomfoering av fremgangsmaaten | |
RU2701594C1 (ru) | Обработка богатых железом редкоземельных руд | |
US5980725A (en) | Method for upgrading waste material comprising sheet metal with a zinc plating on at least one side thereof | |
CN102653404B (zh) | 一种利用含钨硬面材料软废料生产铸造碳化钨的方法 | |
KR101668579B1 (ko) | 알루미늄드로스를 이용한 알루미늄괴 제조방법 | |
Manojlović et al. | Optimization of the recycling processes for magnesium from a highly contaminated waste | |
KR20200066397A (ko) | 폐촉매를 이용한 물품의 제조 방법과 이 방법에 의해 제조된 물품 | |
US4518423A (en) | Method for preparing a low residual alloy steel charge from scrap metal | |
Schlesinger | Recycling of Aluminum | |
RU2157741C2 (ru) | Способ изготовления твердосплавных смесей из отработанных твердых сплавов |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Xuewen Inventor after: Kuang Zhiquan Inventor after: Yang Zhenjiang Inventor after: He Jingnan Inventor after: Zhu Haidong Inventor after: Wang Shuncheng Inventor before: Chen Xuewen Inventor before: Kuang Zhiquan Inventor before: Yang Zhenjiang Inventor before: He Jingnan Inventor before: Zhu Haidong Inventor before: Wang Shuncheng |
|
CB03 | Change of inventor or designer information |