CN1426487A - 铁合金的生产方法 - Google Patents
铁合金的生产方法 Download PDFInfo
- Publication number
- CN1426487A CN1426487A CN01808379A CN01808379A CN1426487A CN 1426487 A CN1426487 A CN 1426487A CN 01808379 A CN01808379 A CN 01808379A CN 01808379 A CN01808379 A CN 01808379A CN 1426487 A CN1426487 A CN 1426487A
- Authority
- CN
- China
- Prior art keywords
- carbide
- ferrochrome
- silicon
- quality
- chromium
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229910001021 Ferroalloy Inorganic materials 0.000 title 1
- 229910000604 Ferrochrome Inorganic materials 0.000 claims abstract description 34
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 29
- 239000011651 chromium Substances 0.000 claims description 52
- 239000002893 slag Substances 0.000 claims description 50
- 230000002829 reductive effect Effects 0.000 claims description 46
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 41
- 229910052804 chromium Inorganic materials 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 37
- 239000003795 chemical substances by application Substances 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000000571 coke Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 239000003245 coal Substances 0.000 claims description 13
- 230000004927 fusion Effects 0.000 claims description 10
- 239000011575 calcium Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 3
- UPKIHOQVIBBESY-UHFFFAOYSA-N magnesium;carbanide Chemical compound [CH3-].[CH3-].[Mg+2] UPKIHOQVIBBESY-UHFFFAOYSA-N 0.000 claims description 3
- ZBZHVBPVQIHFJN-UHFFFAOYSA-N trimethylalumane Chemical compound C[Al](C)C.C[Al](C)C ZBZHVBPVQIHFJN-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 abstract description 4
- 239000012141 concentrate Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 14
- 238000006722 reduction reaction Methods 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229920001296 polysiloxane Polymers 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 239000001095 magnesium carbonate Substances 0.000 description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229960001866 silicon dioxide Drugs 0.000 description 5
- 229910000640 Fe alloy Inorganic materials 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 4
- 235000014380 magnesium carbonate Nutrition 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011044 quartzite Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- BYFGZMCJNACEKR-UHFFFAOYSA-N aluminium(i) oxide Chemical compound [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 2
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010443 kyanite Substances 0.000 description 2
- 229910052850 kyanite Inorganic materials 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- USYLIGCRWXYYPZ-UHFFFAOYSA-N [Cl].[Fe] Chemical compound [Cl].[Fe] USYLIGCRWXYYPZ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- -1 rhombspar Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- 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
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- 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
- C22B5/06—Dry methods smelting of sulfides or formation of mattes by carbides or the like
-
- 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)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon And Carbon Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
矿石 | Cr2O3 | FeO | SiO2 | Al2O3 | MgO | CaO | Cr/Fe |
浓缩物 | 42.58 | 24.67 | 5.23 | 14.2 | 10.8 | 0.6 | 1.52 |
UG-2 | 38.8 | 25.7 | 7.2 | 14.8 | 11.8 | 0.56 | 1.33 |
原料,kg | 总红(作为C) | 炉渣 | 金属 | Cr回收率 | |||||||
运行号 | 浓缩物矿石 | 焦炭 | 石英 | SiC | 占矿石的% | Cr2O3% | 金属,Kg | Cr,% | kWH/kg | % | 炉渣/金属 |
1 | 61.7 | 15.2 | 6.5 | 0 | 20.2 | 11.7 | 29 | 53.3 | 4.14 | 86 | 1.09 |
2 | 61.7 | 15.2 | 6.5 | 0 | 20.2 | 9.1 | 30.2 | 53.3 | 3.81 | 89.9 | 0.99 |
3 | 61.7 | 16.3 | 6.5 | 0 | 21.7 | 9.1 | 30.2 | 53.3 | 4.06 | 89.7 | 0.99 |
4 | 60 | 12.6 | 4.8 | 2.38 | 20.5 | 1.3 | 32.1 | 53.8 | 2.80 | 98.8 | 0.74 |
5 | 84 | 15.3 | 4.34 | 5.01 | 19.9 | 1.8 | 44.8 | 53.6 | 2.83 | 98.1 | 0.85 |
6 | 84 | 15.3 | 5.93 | 5.01 | 19.9 | 2.2 | 44.5 | 53.5 | 2.90 | 97.6 | 0.89 |
7 | 61.7 | 12.8 | 0 | 4.9 | 23.6 | 2.4 | 32.7 | 53.5 | 3.06 | 97.3 | 0.82 |
UG-2矿石 | |||||||||||
8 | 60 | 11.88 | 7.5 | 0 | 16.2 | 13.4 | 25.2 | 49.8 | 4.37 | 79.3 | 1.42 |
9 | 67.2 | 12.7 | 4.3 | 2.62 | 18.7 | 4.2 | 33 | 50.7 | 3.15 | 94.6 | 1 |
第1批 | 第2批 | 第3批 | 第4批 | |
日期 | 9月1407h00 | 9月1520h00 | 9月1610h00 | 9月1620h00 |
高级矿石 | 600kg | 600kg | 600kg | 600kg |
中级矿石 | 1200kg | 1200kg | 1200kg | 1200kg |
Inyala Fines | 200kg | 200kg | 200kg | 200kg |
再次熔融的 | 102kg | 102kg | 102kg | 102kg |
蓝晶石 | 20kg | 20kg | 20kg | 20kg |
SiC | 77kg | 100kg | 100kg | 100kg |
焦碳 | 188kg | 165kg | 145kg | 105kg |
煤 | 222kg | 222kg | 252kg | 252kg |
材料 | Cr2O3 | FeO | SiO2 | Al2O3 | MgO | CaO |
高级 | 44,68 | 16,4 | 8,17 | 9,95 | 14,26 | 0,42 |
中级 | 42,56 | 16,2 | 9,69 | 9,53 | 15,04 | 0,57 |
Inyala Fines | 42,72 | 14,79 | 10,03 | 10,15 | 14,1 | 0,83 |
Claims (20)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0009630.5A GB0009630D0 (en) | 2000-04-19 | 2000-04-19 | Ferroalloy production |
GB0009630.5 | 2000-04-19 | ||
GB0018354A GB0018354D0 (en) | 2000-07-26 | 2000-07-26 | Ferroalloy production |
GB0018354.1 | 2000-07-26 | ||
GB0025883A GB0025883D0 (en) | 2000-10-23 | 2000-10-23 | Ferroalloy production |
GB0025883.0 | 2000-10-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1426487A true CN1426487A (zh) | 2003-06-25 |
CN1252296C CN1252296C (zh) | 2006-04-19 |
Family
ID=27255678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01808379XA Expired - Fee Related CN1252296C (zh) | 2000-04-19 | 2001-04-11 | 铁合金的生产方法 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1274870B1 (zh) |
JP (1) | JP2004520478A (zh) |
KR (1) | KR20030010604A (zh) |
CN (1) | CN1252296C (zh) |
AT (1) | ATE287455T1 (zh) |
AU (1) | AU4675701A (zh) |
DE (1) | DE60108492T2 (zh) |
WO (1) | WO2001079572A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103917669A (zh) * | 2011-11-15 | 2014-07-09 | 奥图泰有限公司 | 制造铬铁的方法 |
CN103946400A (zh) * | 2011-11-15 | 2014-07-23 | 奥图泰有限公司 | 用于制造铬铁的冶金组合物 |
CN103952574A (zh) * | 2014-04-30 | 2014-07-30 | 中国科学院过程工程研究所 | 一种利用金属镁还原无水氯化铬生产高纯金属铬的方法 |
CN110431243A (zh) * | 2017-03-21 | 2019-11-08 | 朗盛德国有限责任公司 | 制备含铁和铬的颗粒的方法 |
CN114096688A (zh) * | 2019-06-27 | 2022-02-25 | 美国Mm金属有限公司 | 用铬铁矿制备低碳铬铁的方法和系统以及所制备的低碳铬铁 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011045755A1 (en) * | 2009-10-13 | 2011-04-21 | Petrus Hendrik Ferreira Bouwer | Ferrochrome alloy production |
WO2015159268A1 (en) | 2014-04-17 | 2015-10-22 | Sublime Technologies (Pty) Ltd | Ferrochrome alloy production |
BR112021024024A2 (pt) * | 2019-07-12 | 2022-02-01 | Jfe Mat Co Ltd | Métodos para desintoxicar escória e para produzir ferrocromo de baixo teor de carbono |
WO2021010311A1 (ja) * | 2019-07-12 | 2021-01-21 | Jfeマテリアル株式会社 | 低炭素フェロクロムの製造方法 |
WO2024161378A1 (en) | 2023-02-03 | 2024-08-08 | Sylvania South Africa (Pty) Ltd | A method for producing agglomerated pellets |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3158464A (en) * | 1963-05-23 | 1964-11-24 | Union Carbide Corp | Ferrochromium production |
US4053307A (en) * | 1976-01-16 | 1977-10-11 | Showa Denko K. K. | Process for manufacture of high-chromium iron alloy |
-
2001
- 2001-04-11 CN CNB01808379XA patent/CN1252296C/zh not_active Expired - Fee Related
- 2001-04-11 JP JP2001576955A patent/JP2004520478A/ja not_active Withdrawn
- 2001-04-11 AT AT01919698T patent/ATE287455T1/de not_active IP Right Cessation
- 2001-04-11 AU AU46757/01A patent/AU4675701A/en not_active Abandoned
- 2001-04-11 WO PCT/IB2001/000594 patent/WO2001079572A1/en active IP Right Grant
- 2001-04-11 DE DE60108492T patent/DE60108492T2/de not_active Expired - Lifetime
- 2001-04-11 EP EP01919698A patent/EP1274870B1/en not_active Expired - Lifetime
- 2001-04-11 KR KR1020027013973A patent/KR20030010604A/ko not_active Application Discontinuation
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103917669A (zh) * | 2011-11-15 | 2014-07-09 | 奥图泰有限公司 | 制造铬铁的方法 |
CN103946400A (zh) * | 2011-11-15 | 2014-07-23 | 奥图泰有限公司 | 用于制造铬铁的冶金组合物 |
TWI477611B (zh) * | 2011-11-15 | 2015-03-21 | Outotec Oyj | 用於製造鉻鐵之冶金組成物 |
US9359655B2 (en) | 2011-11-15 | 2016-06-07 | Outotec Oyj | Metallurgical composition for the manufacture of ferrochrome |
TWI550100B (zh) * | 2011-11-15 | 2016-09-21 | 奧圖泰公司 | 鉻鐵之製造方法 |
CN103952574A (zh) * | 2014-04-30 | 2014-07-30 | 中国科学院过程工程研究所 | 一种利用金属镁还原无水氯化铬生产高纯金属铬的方法 |
CN103952574B (zh) * | 2014-04-30 | 2015-08-19 | 中国科学院过程工程研究所 | 一种利用金属镁还原无水氯化铬生产高纯金属铬的方法 |
CN110431243A (zh) * | 2017-03-21 | 2019-11-08 | 朗盛德国有限责任公司 | 制备含铁和铬的颗粒的方法 |
CN114096688A (zh) * | 2019-06-27 | 2022-02-25 | 美国Mm金属有限公司 | 用铬铁矿制备低碳铬铁的方法和系统以及所制备的低碳铬铁 |
CN114096688B (zh) * | 2019-06-27 | 2023-05-26 | 美国Mm金属有限公司 | 用铬铁矿制备低碳铬铁的方法和系统以及所制备的低碳铬铁 |
US12000017B2 (en) | 2019-06-27 | 2024-06-04 | MM Metals USA, LLC | Method and system for producing low carbon ferroalloy from chromite ore |
Also Published As
Publication number | Publication date |
---|---|
CN1252296C (zh) | 2006-04-19 |
DE60108492T2 (de) | 2006-03-23 |
AU4675701A (en) | 2001-10-30 |
JP2004520478A (ja) | 2004-07-08 |
WO2001079572A1 (en) | 2001-10-25 |
EP1274870B1 (en) | 2005-01-19 |
DE60108492D1 (de) | 2005-02-24 |
ATE287455T1 (de) | 2005-02-15 |
EP1274870A1 (en) | 2003-01-15 |
KR20030010604A (ko) | 2003-02-05 |
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