FI75602B - Foerfarande och anordning foer kontinuerlig konvertering av koppar- och icke-jaernmetallstenar. - Google Patents
Foerfarande och anordning foer kontinuerlig konvertering av koppar- och icke-jaernmetallstenar. Download PDFInfo
- Publication number
- FI75602B FI75602B FI832143A FI832143A FI75602B FI 75602 B FI75602 B FI 75602B FI 832143 A FI832143 A FI 832143A FI 832143 A FI832143 A FI 832143A FI 75602 B FI75602 B FI 75602B
- Authority
- FI
- Finland
- Prior art keywords
- metal
- oxygen
- furnace
- melt
- air
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 claims description 92
- 239000002184 metal Substances 0.000 claims description 92
- 238000000034 method Methods 0.000 claims description 69
- 239000011435 rock Substances 0.000 claims description 63
- 239000003570 air Substances 0.000 claims description 54
- 239000010949 copper Substances 0.000 claims description 52
- 229910052802 copper Inorganic materials 0.000 claims description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 42
- 239000002893 slag Substances 0.000 claims description 42
- 238000007664 blowing Methods 0.000 claims description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 36
- 239000001301 oxygen Substances 0.000 claims description 36
- 229910052760 oxygen Inorganic materials 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 239000004575 stone Substances 0.000 claims description 29
- 239000000155 melt Substances 0.000 claims description 27
- 206010022000 influenza Diseases 0.000 claims description 24
- 230000004907 flux Effects 0.000 claims description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 9
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- 239000012264 purified product Substances 0.000 claims description 9
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 8
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 7
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- 239000003923 scrap metal Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 238000003723 Smelting Methods 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 11
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
- 239000012141 concentrate Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 229910052717 sulfur Inorganic materials 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229940108461 rennet Drugs 0.000 description 5
- 108010058314 rennet Proteins 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 229910000431 copper oxide Inorganic materials 0.000 description 4
- 229960004643 cupric oxide Drugs 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/003—Bath smelting or converting
- C22B15/0041—Bath smelting or converting in converters
- C22B15/0043—Bath smelting or converting in converters in rotating converters
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/02—Obtaining nickel or cobalt by dry processes
- C22B23/025—Obtaining nickel or cobalt by dry processes with formation of a matte or by matte refining or converting into nickel or cobalt, e.g. by the Oxford process
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Claims (10)
1. Förfarande för kontinuerlig konvertering av icke-järnhaltiga skäretenar, kännetecknat av att det bestir i etegen: a) inmatning kontinuer1igt eller intermittent av en flytande skäreten under hela procesetiden in i en horisontell vanligen läng ugn, som är orörlig under normalt bruk; b) kontinuerlig inbläening av luft, eyre eller eyreanrikad luft in i emältan genom munstycken nedeänkta under amältans yta med en hastighet som är i balane med hastigheten av till-förd flytande skäreten och den önskade graden av oxidation; c) införande av flusemedel i ugnen med en hastighet som är i balane med inmatad skäreten och luft, eyre eller eyreanrikad luf t; och d) borttagande av elagg frän Övre ytan av emältan och en raffinerad produkt frän underdelen av emältan, medan luft, eyre eller eyreanrikad luft bläeee genom emältan.
2. Förfarande enligt patentkravet 1, kännetecknat av att nämnda icke-järn skäreten är en koppar-järnsulfidekär-eten och den raffinerade produkten är bläeterkoppar eller vit-metal1.
3. Förfarande enligt patentkravet 1, kännetecknat av att nämnda icke-järn skäreten är en koppar-nickel- eller nickelekärsten och den raffinerade produkten är en Bessemer-skäreten.
4. Förfarande enligt patentkravet 1, kännetecknat av att icke-järn ekäretenen är en icke-järnmetallinnehällande eulfidskärsten och elutprodukten en raffinerad skäreten eller metall, varvid nämnda icke-järnmetall är vald frän gruppen beetäende av koppar, nickelhaltig koppar, kobolthaltig koppar, kobolthaltig nickel och kobolthaltig kopparnickel. 20 7 5 6 0 2
5. Förfarande enligt patentkravet 1, vilket utförs i en apparat, kännetecknat av att den bestir av en horisontell vanligen ling ugn (10) som är orörlig under normalt bruk, och som har: a) medel (14) för kontinuerlig eller intermittent införande av en flytande skärsten i ugnen under hela procesetiden; b) en sate munetycken (18) länge ena sidan av ugnen (10) för kontinuerlig inblisning av luft, syre eller eyreanrikad luft i smältan med en haetighet som är i balans med hastigheten av inmatad flytande skärsten och den önekade graden av oxidation; c) medel (16) för införande av flussmedel i ugnen (10) med en hastighet som är i balans med inmatad skärsten och luft, syre eller eyreanrikad luft; d) ett avgasutlopp (34); e) en första utslagöppning (30) vid den ände som är borta frin munstyckena (18) för borttagande av slagg frin överytan av smältan, medan luft, syre eller eyreanrikad luft konti-nuerligt blises in i smältan; och f) en andra utslagöppning (32) för borttagande av raffinerad produkt frin underdelen av smältan medan luft, syre eller sy-reanrikad luft kontinuerligt blises genom smältan.
6. Förfarande enligt patentkravet 5, vilket utförs i en apparat, kännetecknat av att den innehiller medel för yt-terligare tillsats av metallskrot eller itergingsmaterial eller tillsats av bränsle i fast, flytande eller gaeform in i ugnen (10).
7. Förfarande enligt patentkravet 5 eller 6, vilket utförs i en apparat, kännetecknat av att den ytterligare innehiller spärrmedel varigenom nämnda emältä slagg kan borttae, avkylas och iterföras tili en smältugn (10) eller sändas för rening.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA405473 | 1982-06-18 | ||
| CA000405473A CA1190751A (en) | 1982-06-18 | 1982-06-18 | Process and apparatus for continuous converting of copper and non-ferrous mattes |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI832143A0 FI832143A0 (fi) | 1983-06-14 |
| FI832143L FI832143L (fi) | 1983-12-19 |
| FI75602B true FI75602B (fi) | 1988-03-31 |
| FI75602C FI75602C (sv) | 1988-07-11 |
Family
ID=4123040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI832143A FI75602C (sv) | 1982-06-18 | 1983-06-14 | Förfarande och anordning för kontinuerlig konvertering av koppar- och icke-järnmetallstenar. |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US4504309A (sv) |
| JP (1) | JPS58224128A (sv) |
| AU (1) | AU555874B2 (sv) |
| BE (1) | BE897070A (sv) |
| CA (1) | CA1190751A (sv) |
| DE (1) | DE3321687A1 (sv) |
| FI (1) | FI75602C (sv) |
| GB (1) | GB2121830B (sv) |
| SE (1) | SE8303497L (sv) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU573925B2 (en) * | 1984-02-10 | 1988-06-23 | Sumitomo Metal Mining Company Limited | Production of copper in a converter with top and bottom blowing |
| IT1203605B (it) * | 1985-04-18 | 1989-02-15 | Alfa Chem Ital | Processo per la risoluzione ottica di miscigli racemi di acidi e naftilpropionici |
| CA1323495C (en) * | 1988-04-29 | 1993-10-26 | Marc Reist | Process and apparatus for converting of solid high-grade copper matte |
| US4968047A (en) * | 1989-05-05 | 1990-11-06 | United Steel & Wire Company | Video mount for shopping cart |
| CA1338426C (en) * | 1989-07-31 | 1996-07-02 | Walter Curlook | Nitrogen / air blasts in ni-cu converters |
| US5374298A (en) * | 1990-11-20 | 1994-12-20 | Mitsubishi Materials Corporation | Copper smelting process |
| MY110307A (en) * | 1990-11-20 | 1998-04-30 | Mitsubishi Materials Corp | Apparatus for continuous copper smelting |
| FI101813B1 (sv) * | 1990-11-20 | 1998-08-31 | Mitsubishi Materials Corp | Förfarande för smältning av koppar |
| FI98072C (sv) * | 1992-10-21 | 1997-04-10 | Outokumpu Eng Contract | Förfarande och anordning vid behandling av sulfidiskt koncentrat |
| US5449395A (en) * | 1994-07-18 | 1995-09-12 | Kennecott Corporation | Apparatus and process for the production of fire-refined blister copper |
| US5733358A (en) * | 1994-12-20 | 1998-03-31 | Usx Corporation And Praxair Technology, Inc. | Process and apparatus for the manufacture of steel from iron carbide |
| JP3702764B2 (ja) | 2000-08-22 | 2005-10-05 | 住友金属鉱山株式会社 | 硫化銅精鉱の熔錬方法 |
| US6395059B1 (en) | 2001-03-19 | 2002-05-28 | Noranda Inc. | Situ desulfurization scrubbing process for refining blister copper |
| US6478847B1 (en) | 2001-08-31 | 2002-11-12 | Mueller Industries, Inc. | Copper scrap processing system |
| ES2279232T3 (es) * | 2003-08-23 | 2007-08-16 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG | Procedimiento para la produccion pirometalurgica de cobre en un convertidor. |
| JP5651283B2 (ja) | 2004-04-07 | 2015-01-07 | オウトテック オサケイティオ ユルキネンＯｕｔｏｔｅｃ Ｏｙｊ | 銅を転化するためのプロセス |
| CN101165196B (zh) * | 2006-10-19 | 2010-12-08 | 中国恩菲工程技术有限公司 | 一种采用氧气底吹炉连续炼铜的工艺及其装置 |
| EP2302082B1 (de) * | 2009-09-03 | 2013-04-17 | Linde AG | Verfahren zum Betreiben eines Konverters und Vorrichtung zur Durchführung des Verfahrens |
| JP5575026B2 (ja) * | 2011-03-23 | 2014-08-20 | Ｊｘ日鉱日石金属株式会社 | 鉄・錫含有銅の処理装置および鉄・錫含有銅の処理方法 |
| US9725784B2 (en) | 2012-06-21 | 2017-08-08 | Lawrence F. McHugh | Production of copper via looping oxidation process |
| CN102901344B (zh) * | 2012-10-18 | 2015-12-09 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | 用于冶炼低品位废杂铜的卧式浸没顶吹炉 |
| CN103014371B (zh) * | 2012-12-24 | 2014-02-19 | 中国恩菲工程技术有限公司 | 铜锍底吹吹炼工艺和铜锍底吹吹炼炉 |
| CN103334014B (zh) * | 2013-07-23 | 2016-01-27 | 阳谷祥光铜业有限公司 | 铜冶炼熔融炉渣贫化的方法 |
| WO2015077900A1 (es) | 2013-11-28 | 2015-06-04 | Gabriel Angel Riveros Urzúa | Método para el procesamiento continuo de mata de cobre o mata de cobre-níquel |
| FI126583B (sv) * | 2014-03-31 | 2017-02-28 | Outotec Finland Oy | Förfarande och bärare för att transportera reduktionsämne såsom koks in i en metallurgisk ugn och produktionsförfarande för bäraren |
| CN104131170B (zh) * | 2014-08-13 | 2016-05-11 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | 低品位废杂铜的冶炼工艺 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA758020A (en) * | 1967-05-02 | J. Themelis Nickolas | Process and apparatus for the continuous smelting and converting of copper concentrates to metallic copper | |
| BE495631A (sv) * | 1949-05-13 | |||
| GB837807A (en) * | 1956-04-12 | 1960-06-15 | Georges Alexandrovsky | Improvements in or relating to the treatment of pig iron and apparatus therefor |
| FR1418925A (fr) * | 1964-10-12 | 1965-11-26 | Siderurgie Fse Inst Rech | Procédé et dispositif pour l'affinage continu de la fonte en acier |
| GB1130255A (en) * | 1965-11-22 | 1968-10-16 | Conzinc Riotinto Ltd | Reverberatory smelting of copper concentrates |
| JPS523886B1 (sv) * | 1968-12-07 | 1977-01-31 | ||
| DE2027452C3 (de) * | 1970-06-04 | 1978-04-20 | Aeg-Elotherm Gmbh, 5630 Remscheid | Verfahren zur kontinuierlichen Erzeugung von Blisterkupfer aus Kupferstein |
| JPS515337B1 (sv) * | 1970-12-28 | 1976-02-19 | ||
| CA931358A (en) * | 1971-02-01 | 1973-08-07 | J. Themelis Nickolas | Process for continuous smelting and converting of copper concentrates |
| JPS5143015B2 (sv) * | 1972-05-04 | 1976-11-19 | ||
| US4005856A (en) * | 1972-09-27 | 1977-02-01 | Noranda Mines Limited | Process for continuous smelting and converting of copper concentrates |
| US3941587A (en) * | 1973-05-03 | 1976-03-02 | Q-S Oxygen Processes, Inc. | Metallurgical process using oxygen |
| US3988148A (en) * | 1973-05-03 | 1976-10-26 | Q-S Oxygen Processes, Inc. | Metallurgical process using oxygen |
| JPS5335893A (en) * | 1976-09-16 | 1978-04-03 | Hitachi Ltd | Reactor spray system |
| DE2735808C2 (de) * | 1977-08-09 | 1984-11-29 | Norddeutsche Affinerie, 2000 Hamburg | Vorrichtung zum Schmelzen und Raffinieren von verunreinigtem Kupfer |
| US4236700A (en) * | 1978-10-13 | 1980-12-02 | Outokumpu Oy | Device for suspension smelting of finely-divided _oxide and/or sulfide ores and concentrates |
-
1982
- 1982-06-18 CA CA000405473A patent/CA1190751A/en not_active Expired
-
1983
- 1983-03-25 AU AU12864/83A patent/AU555874B2/en not_active Ceased
- 1983-04-22 GB GB08311016A patent/GB2121830B/en not_active Expired
- 1983-04-29 US US06/490,021 patent/US4504309A/en not_active Expired - Lifetime
- 1983-05-13 JP JP58083989A patent/JPS58224128A/ja active Pending
- 1983-06-14 FI FI832143A patent/FI75602C/sv not_active IP Right Cessation
- 1983-06-15 DE DE3321687A patent/DE3321687A1/de not_active Ceased
- 1983-06-16 BE BE0/211020A patent/BE897070A/fr not_active IP Right Cessation
- 1983-06-17 SE SE8303497A patent/SE8303497L/sv unknown
-
1984
- 1984-12-21 US US06/685,235 patent/US4544141A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4504309A (en) | 1985-03-12 |
| AU1286483A (en) | 1983-12-22 |
| FI75602C (sv) | 1988-07-11 |
| SE8303497D0 (sv) | 1983-06-17 |
| DE3321687A1 (de) | 1983-12-22 |
| FI832143A0 (fi) | 1983-06-14 |
| AU555874B2 (en) | 1986-10-16 |
| SE8303497L (sv) | 1983-12-19 |
| GB2121830B (en) | 1986-09-03 |
| GB8311016D0 (en) | 1983-05-25 |
| GB2121830A (en) | 1984-01-04 |
| BE897070A (fr) | 1983-10-17 |
| JPS58224128A (ja) | 1983-12-26 |
| CA1190751A (en) | 1985-07-23 |
| US4544141A (en) | 1985-10-01 |
| FI832143L (fi) | 1983-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: NORANDA MINES LIMITED |