CA2927984C - Production of chromium iron alloys directly from chromite ore - Google Patents
Production of chromium iron alloys directly from chromite ore Download PDFInfo
- Publication number
- CA2927984C CA2927984C CA2927984A CA2927984A CA2927984C CA 2927984 C CA2927984 C CA 2927984C CA 2927984 A CA2927984 A CA 2927984A CA 2927984 A CA2927984 A CA 2927984A CA 2927984 C CA2927984 C CA 2927984C
- Authority
- CA
- Canada
- Prior art keywords
- accelerant
- chromium
- carbon
- chromite
- chromite ore
- 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
- 229910000640 Fe alloy Inorganic materials 0.000 title claims abstract description 20
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title description 11
- 238000000034 method Methods 0.000 claims abstract description 61
- 230000008569 process Effects 0.000 claims abstract description 60
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000003345 natural gas Substances 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 230000009467 reduction Effects 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000009628 steelmaking Methods 0.000 claims abstract description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 238000007792 addition Methods 0.000 claims abstract description 8
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 22
- 239000011651 chromium Substances 0.000 claims description 21
- 229910052804 chromium Inorganic materials 0.000 claims description 19
- 239000008188 pellet Substances 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 229910000604 Ferrochrome Inorganic materials 0.000 description 10
- 230000008901 benefit Effects 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 238000001465 metallisation Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000000440 bentonite Substances 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 235000013980 iron oxide Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011165 process development Methods 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 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 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/008—Use of special additives or fluxing agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- 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
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
-
- 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
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361893400P | 2013-10-21 | 2013-10-21 | |
| US61/893,400 | 2013-10-21 | ||
| PCT/US2014/054644 WO2015060951A1 (en) | 2013-10-21 | 2014-09-09 | Production of chromium iron alloys directly from chromite ore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2927984A1 CA2927984A1 (en) | 2015-04-30 |
| CA2927984C true CA2927984C (en) | 2018-03-27 |
Family
ID=52993349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2927984A Active CA2927984C (en) | 2013-10-21 | 2014-09-09 | Production of chromium iron alloys directly from chromite ore |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160244864A1 (enExample) |
| JP (2) | JP2016539251A (enExample) |
| KR (1) | KR20160073994A (enExample) |
| CN (1) | CN105658828A (enExample) |
| CA (1) | CA2927984C (enExample) |
| WO (1) | WO2015060951A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018172284A1 (en) * | 2017-03-21 | 2018-09-27 | Lanxess Deutschland Gmbh | Process for preparing iron- and chrome-containing particles |
| FI3619331T3 (fi) | 2017-05-02 | 2024-11-04 | Her Majesty The Queen In Right Of Canada As Represented By The Mini Of Natural Resources | Kromiitin karboterminen suora pelkistys katalyyttiä käyttämällä ferrokromimetalliseoksen tuottamiseksi |
| US10358693B2 (en) | 2017-10-20 | 2019-07-23 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources | Method of direct reduction of chromite with cryolite additive |
| EP3760748B1 (en) * | 2019-07-02 | 2023-09-20 | Brother Group (Hong Kong) Limited | Process for preparing optimized calcined, iron- and chrome-containing pellets |
| EP3763837A1 (de) * | 2019-07-09 | 2021-01-13 | Brother Group (Hong Kong) Limited | Formgebung von chromerzprozess-rückständen |
| BR102019023195B1 (pt) * | 2019-11-05 | 2021-01-19 | Vale S.A. | processo de produção de aglomerado de finos de minério de ferroe o produto aglomerado |
| CN113444884B (zh) * | 2021-05-17 | 2022-11-01 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种微碳铬铁合金的制备方法 |
| CN114855002B (zh) * | 2021-07-06 | 2023-04-25 | 丰镇市华兴化工有限公司 | 一种低钛高碳铬铁及其生产方法 |
| CN116987880B (zh) * | 2023-08-10 | 2025-10-31 | 北京科技大学 | 一种在含ch4的还原气氛条件下铬铁矿球团进行低温还原焙烧预处理方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2990267A (en) * | 1959-06-26 | 1961-06-27 | Dow Chemical Co | Preparation of metal powders |
| US3235371A (en) * | 1962-09-10 | 1966-02-15 | Control Of Michigan College Of | Agglomerated mineral products and method of making same |
| US3661555A (en) * | 1969-06-24 | 1972-05-09 | Showa Denko Kk | Pelletized chromium addition agents for ferro alloys production and method therefor |
| US3894865A (en) * | 1970-07-10 | 1975-07-15 | Wienert Fritz Otto | Production of metallurgical pellets in rotary kilns |
| JPS5114969B1 (enExample) * | 1970-10-31 | 1976-05-13 | ||
| US3997333A (en) * | 1975-02-26 | 1976-12-14 | Westinghouse Electric Corporation | Process for the reduction of complex metallic ores |
| US4298581A (en) * | 1980-04-15 | 1981-11-03 | Cabot Corporation | Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material |
| JPS58199834A (ja) * | 1982-05-15 | 1983-11-21 | Kawasaki Steel Corp | クロム鉱石の予備還元法 |
| DE3713883A1 (de) * | 1987-04-25 | 1988-11-17 | Metallgesellschaft Ag | Verfahren zur herstellung von ferrochrom |
| CN1037917C (zh) * | 1993-03-02 | 1998-04-01 | 锦州铁合金厂 | 粉铬矿还原性烧结造块冶炼铬铁合金工艺 |
| US7315021B2 (en) * | 2004-05-21 | 2008-01-01 | Analytica Of Branford, Inc. | Charged droplet spray probe |
| CN101638730B (zh) * | 2008-07-31 | 2015-03-25 | 塔塔钢铁有限公司 | 用于从冶金级铬铁矿精矿细粉生产海绵铬的方法 |
| CN101538630B (zh) * | 2009-02-05 | 2011-04-06 | 丁家伟 | 用铬矿粉制备铬铁工艺及设备 |
| CN103045854B (zh) * | 2011-10-12 | 2015-11-25 | 中国中化股份有限公司 | 用于铬铁合金冶炼生产的铬粉矿的预处理方法 |
| US9534275B2 (en) * | 2013-03-06 | 2017-01-03 | Midrex Technologies, Inc. | Methods and systems for reducing chromium containing raw material |
-
2014
- 2014-09-09 US US15/027,479 patent/US20160244864A1/en not_active Abandoned
- 2014-09-09 WO PCT/US2014/054644 patent/WO2015060951A1/en not_active Ceased
- 2014-09-09 CN CN201480057652.7A patent/CN105658828A/zh active Pending
- 2014-09-09 JP JP2016549010A patent/JP2016539251A/ja active Pending
- 2014-09-09 CA CA2927984A patent/CA2927984C/en active Active
- 2014-09-09 KR KR1020167013029A patent/KR20160073994A/ko not_active Withdrawn
-
2019
- 2019-05-21 JP JP2019094969A patent/JP2019131895A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019131895A (ja) | 2019-08-08 |
| JP2016539251A (ja) | 2016-12-15 |
| CN105658828A (zh) | 2016-06-08 |
| US20160244864A1 (en) | 2016-08-25 |
| WO2015060951A1 (en) | 2015-04-30 |
| CA2927984A1 (en) | 2015-04-30 |
| KR20160073994A (ko) | 2016-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20160419 |