SK286014B6 - Spôsob odchrómovania a/alebo odniklovania tekutých trosiek - Google Patents
Spôsob odchrómovania a/alebo odniklovania tekutých trosiek Download PDFInfo
- Publication number
- SK286014B6 SK286014B6 SK965-2002A SK9652002A SK286014B6 SK 286014 B6 SK286014 B6 SK 286014B6 SK 9652002 A SK9652002 A SK 9652002A SK 286014 B6 SK286014 B6 SK 286014B6
- Authority
- SK
- Slovakia
- Prior art keywords
- slag
- reduction
- bath
- carbon
- carried out
- Prior art date
Links
- 239000002893 slag Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 title claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title abstract description 8
- 229910052759 nickel Inorganic materials 0.000 title abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 230000001603 reducing effect Effects 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 229910017082 Fe-Si Inorganic materials 0.000 claims abstract description 5
- 229910017133 Fe—Si Inorganic materials 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 229910014458 Ca-Si Inorganic materials 0.000 claims abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 3
- 239000011651 chromium Substances 0.000 claims description 10
- 239000000969 carrier Substances 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 4
- 229910000423 chromium oxide Inorganic materials 0.000 description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000003923 scrap metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001935 vanadium oxide 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/54—Processes yielding slags of special composition
-
- 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
- C22B7/04—Working-up slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Removal Of Specific Substances (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT632000 | 2000-01-28 | ||
| PCT/AT2001/000012 WO2001055461A1 (de) | 2000-01-28 | 2001-01-18 | Verfahren zum entchromen und/oder entnickeln von flüssigen schlacken |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK9652002A3 SK9652002A3 (en) | 2003-03-04 |
| SK286014B6 true SK286014B6 (sk) | 2008-01-07 |
Family
ID=3480533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK965-2002A SK286014B6 (sk) | 2000-01-28 | 2001-01-18 | Spôsob odchrómovania a/alebo odniklovania tekutých trosiek |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US6855189B2 (cs) |
| EP (1) | EP1252347B1 (cs) |
| JP (1) | JP3869270B2 (cs) |
| KR (1) | KR100603165B1 (cs) |
| CN (1) | CN1195881C (cs) |
| AR (1) | AR027283A1 (cs) |
| AT (1) | ATE248236T1 (cs) |
| AU (1) | AU772799B2 (cs) |
| BR (1) | BR0107890B1 (cs) |
| CA (1) | CA2398352A1 (cs) |
| CZ (1) | CZ298077B6 (cs) |
| DE (1) | DE50100554D1 (cs) |
| ES (1) | ES2206396T3 (cs) |
| HU (1) | HUP0203824A2 (cs) |
| MX (1) | MXPA02007084A (cs) |
| NZ (1) | NZ519831A (cs) |
| PL (1) | PL194792B1 (cs) |
| PT (1) | PT1252347E (cs) |
| RU (1) | RU2237732C2 (cs) |
| SK (1) | SK286014B6 (cs) |
| TW (1) | TW499485B (cs) |
| UA (1) | UA72297C2 (cs) |
| WO (1) | WO2001055461A1 (cs) |
| ZA (1) | ZA200205170B (cs) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2864074B1 (fr) * | 2003-12-18 | 2006-05-19 | Lafarge Sa | Composition minerale hydraulique et son procede de fabrication, produits cimentaires et liants hydrauliques contenant une telle composition |
| JP4829225B2 (ja) * | 2004-05-18 | 2011-12-07 | ホルシム テクノロジー リミティド | 冶金スラグのクロム還元方法 |
| JP2009508596A (ja) | 2005-09-19 | 2009-03-05 | ヒストジェニックス コーポレイション | 細胞支持基材及びその調製方法 |
| CN100587086C (zh) * | 2007-09-06 | 2010-02-03 | 昆明理工大学 | 利用可燃物对有色金属铜渣/镍渣进行改性和制备优质燃料的方法 |
| JP5191861B2 (ja) * | 2008-10-28 | 2013-05-08 | Ｊｆｅミネラル株式会社 | セメント原料用スラグの製造方法 |
| US10077420B2 (en) | 2014-12-02 | 2018-09-18 | Histogenics Corporation | Cell and tissue culture container |
| CN110029220B (zh) * | 2019-04-25 | 2020-02-04 | 北京科技大学 | 一种两步法还原氧化铬制备金属铬粉的方法 |
| FI20195830A1 (en) * | 2019-09-30 | 2021-03-31 | Outokumpu Oy | REDUCTION OVEN PARTITION SOLUTION |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU62386A1 (cs) * | 1971-01-08 | 1972-08-23 | ||
| DE2307237C3 (de) * | 1972-02-15 | 1979-01-25 | Graenges Ab, Stockholm | Verfahren zur Behandlung von Stahlschlacken |
| US4001012A (en) * | 1973-11-28 | 1977-01-04 | United States Steel Corporation | Method of producing stainless steel |
| JPS53117601A (en) * | 1977-03-23 | 1978-10-14 | Sumitomo Metal Ind Ltd | Recovering method for valuable metals in stainless steel slag |
| JPS54158313A (en) | 1978-06-03 | 1979-12-14 | Nippon Steel Corp | Chromium removing method for chromium-containing slag |
| ZA909149B (en) * | 1989-06-02 | 1991-12-24 | Cra Services | Manufacture of ferroalloys using a molten bath reactor |
| RU2016116C1 (ru) * | 1992-04-06 | 1994-07-15 | Владимир Гильевич Леонтьев | Способ извлечения цинка из железосодержащего оксидного сырья |
| ZA963234B (en) * | 1995-05-02 | 1996-07-29 | Holderbank Financ Glarus | Process for the production of hydraulic binders and/or alloys such as e g ferrochromium of ferrovanadium |
| HRP970303B1 (en) * | 1996-06-05 | 2002-06-30 | Holderbank Financ Glarus | Method for making pozzolans, synthetic blast-furnance slag, belite or alite clinkers, and pig-iron alloys, from oxidic slag and a device for implementing this method |
| RU2121518C1 (ru) * | 1997-05-21 | 1998-11-10 | Открытое акционерное общество "Институт Гинцветмет" | Способ переработки оксидного сырья, содержащего цветные металлы |
| AT407263B (de) * | 1999-04-22 | 2001-02-26 | Holderbank Financ Glarus | Verfahren zum aufarbeiten von stahlschlacken |
| KR20020014821A (ko) * | 1999-06-23 | 2002-02-25 | 추후제출 | 산화 크롬 함유 슬래그로부터의 크롬 금속 재생 방법 |
-
2001
- 2001-01-18 JP JP2001554490A patent/JP3869270B2/ja not_active Expired - Fee Related
- 2001-01-18 AT AT01901012T patent/ATE248236T1/de not_active IP Right Cessation
- 2001-01-18 ES ES01901012T patent/ES2206396T3/es not_active Expired - Lifetime
- 2001-01-18 PT PT01901012T patent/PT1252347E/pt unknown
- 2001-01-18 KR KR20027009669A patent/KR100603165B1/ko not_active Expired - Fee Related
- 2001-01-18 HU HU0203824A patent/HUP0203824A2/hu unknown
- 2001-01-18 RU RU2002123055A patent/RU2237732C2/ru not_active IP Right Cessation
- 2001-01-18 CA CA 2398352 patent/CA2398352A1/en not_active Abandoned
- 2001-01-18 BR BR0107890A patent/BR0107890B1/pt not_active IP Right Cessation
- 2001-01-18 UA UA2002075483A patent/UA72297C2/uk unknown
- 2001-01-18 DE DE50100554T patent/DE50100554D1/de not_active Expired - Lifetime
- 2001-01-18 NZ NZ51983101A patent/NZ519831A/xx unknown
- 2001-01-18 AU AU26524/01A patent/AU772799B2/en not_active Ceased
- 2001-01-18 WO PCT/AT2001/000012 patent/WO2001055461A1/de not_active Ceased
- 2001-01-18 MX MXPA02007084A patent/MXPA02007084A/es active IP Right Grant
- 2001-01-18 CN CNB018040594A patent/CN1195881C/zh not_active Expired - Fee Related
- 2001-01-18 CZ CZ20022814A patent/CZ298077B6/cs not_active IP Right Cessation
- 2001-01-18 EP EP20010901012 patent/EP1252347B1/de not_active Expired - Lifetime
- 2001-01-18 PL PL356341A patent/PL194792B1/pl not_active IP Right Cessation
- 2001-01-18 SK SK965-2002A patent/SK286014B6/sk not_active IP Right Cessation
- 2001-01-18 US US10/182,028 patent/US6855189B2/en not_active Expired - Lifetime
- 2001-01-20 TW TW90101718A patent/TW499485B/zh not_active IP Right Cessation
- 2001-01-25 AR ARP010100313 patent/AR027283A1/es unknown
-
2002
- 2002-06-26 ZA ZA200205170A patent/ZA200205170B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR027283A1 (es) | 2003-03-19 |
| ZA200205170B (en) | 2003-09-29 |
| ATE248236T1 (de) | 2003-09-15 |
| TW499485B (en) | 2002-08-21 |
| BR0107890A (pt) | 2002-11-19 |
| PL194792B1 (pl) | 2007-07-31 |
| JP3869270B2 (ja) | 2007-01-17 |
| CA2398352A1 (en) | 2001-08-02 |
| CZ298077B6 (cs) | 2007-06-13 |
| ES2206396T3 (es) | 2004-05-16 |
| EP1252347B1 (de) | 2003-08-27 |
| HUP0203824A2 (en) | 2003-04-28 |
| US6855189B2 (en) | 2005-02-15 |
| RU2237732C2 (ru) | 2004-10-10 |
| MXPA02007084A (es) | 2004-09-06 |
| KR20020089331A (ko) | 2002-11-29 |
| PT1252347E (pt) | 2004-01-30 |
| UA72297C2 (uk) | 2005-02-15 |
| KR100603165B1 (ko) | 2006-07-24 |
| US20030075019A1 (en) | 2003-04-24 |
| RU2002123055A (ru) | 2004-02-20 |
| SK9652002A3 (en) | 2003-03-04 |
| AU2652401A (en) | 2001-08-07 |
| DE50100554D1 (de) | 2003-10-02 |
| EP1252347A1 (de) | 2002-10-30 |
| CN1396961A (zh) | 2003-02-12 |
| AU772799B2 (en) | 2004-05-06 |
| CN1195881C (zh) | 2005-04-06 |
| BR0107890B1 (pt) | 2010-09-08 |
| JP2003520900A (ja) | 2003-07-08 |
| NZ519831A (en) | 2004-12-24 |
| PL356341A1 (en) | 2004-06-28 |
| WO2001055461A1 (de) | 2001-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2383352B1 (en) | Method for reclaiming iron and phosphorus from steelmaking slag | |
| CZ20014667A3 (cs) | Způsob zpětného získávání kovového chromu za strusek, obsahujících oxidy chromu | |
| SK286014B6 (sk) | Spôsob odchrómovania a/alebo odniklovania tekutých trosiek | |
| US7641713B2 (en) | Method for reducing Cr in metallurgical slags containing Cr | |
| JPH07310110A (ja) | ステンレス鋼の製造方法 | |
| JP4765374B2 (ja) | 含クロム溶銑の脱硫処理方法 | |
| JPS6154841B2 (cs) | ||
| JP2764339B2 (ja) | 高クロム低ｐ低ｓ鋼用溶銑の処理方法 | |
| CA2216156A1 (en) | A process for processing waste incineration residues | |
| JPH0435529B2 (cs) | ||
| JPS6250543B2 (cs) | ||
| KR100408133B1 (ko) | 스테인레스강의정련방법 | |
| CN118064665A (zh) | 使用aod不锈钢还原渣进行铁水脱磷预处理的方法 | |
| JP3414811B2 (ja) | 低合金鋼溶製時の精錬後スラグ中の残留合金成分回収方法 | |
| JPS61104014A (ja) | 酸化精錬炉におけるＭｎ鉱石高効率還元法 | |
| JPH07173520A (ja) | 含クロム溶銑および溶鋼の脱燐方法 | |
| JPH0762413A (ja) | ステンレス鋼の製造方法 | |
| JP3272744B2 (ja) | 溶銑脱燐方法 | |
| JPS6056201B2 (ja) | 溶銑処理方法 | |
| JPS61153222A (ja) | 低Ｐ・低Ｓ・高Ｍｎ鋼の製造方法 | |
| JPH0726316A (ja) | 石灰石を用いた溶銑脱燐方法 | |
| JP2015193938A (ja) | Ｃｒを含有するスラグの処理方法 | |
| JPH07228912A (ja) | 溶鋼の容器間移し替え方法 | |
| JP2005060740A (ja) | クロム含有廃棄物の処理方法 | |
| JP2003105422A (ja) | ステンレス粗溶鋼の溶製方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed due to non-payment of maintenance fees |
Effective date: 20100118 |