SE448552B - Sett vid reduktion av finkornig jernmalm till jernsvamp i reaktor med staende schakt - Google Patents
Sett vid reduktion av finkornig jernmalm till jernsvamp i reaktor med staende schaktInfo
- Publication number
- SE448552B SE448552B SE8007603A SE8007603A SE448552B SE 448552 B SE448552 B SE 448552B SE 8007603 A SE8007603 A SE 8007603A SE 8007603 A SE8007603 A SE 8007603A SE 448552 B SE448552 B SE 448552B
- Authority
- SE
- Sweden
- Prior art keywords
- gas
- reactor
- reduction
- zone
- iron
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 52
- 230000009467 reduction Effects 0.000 title claims description 38
- 229910052742 iron Inorganic materials 0.000 title claims description 26
- 238000000682 scanning probe acoustic microscopy Methods 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 77
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 18
- 238000002407 reforming Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 12
- 239000001569 carbon dioxide Substances 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 239000011874 heated mixture Substances 0.000 claims description 4
- 239000002803 fossil fuel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000002309 gasification Methods 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 241000233866 Fungi Species 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 239000000112 cooling gas Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Classifications
-
- 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
- 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
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/24—Increasing the gas reduction potential of recycled exhaust gases by shift reactions
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Industrial Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/089,902 US4246024A (en) | 1979-10-31 | 1979-10-31 | Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8007603L SE8007603L (sv) | 1981-05-01 |
| SE448552B true SE448552B (sv) | 1987-03-02 |
Family
ID=22220149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8007603A SE448552B (sv) | 1979-10-31 | 1980-10-29 | Sett vid reduktion av finkornig jernmalm till jernsvamp i reaktor med staende schakt |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4246024A (de) |
| JP (1) | JPS5825727B2 (de) |
| AR (1) | AR225934A1 (de) |
| AU (1) | AU538947B2 (de) |
| BE (1) | BE885920A (de) |
| BR (1) | BR8005801A (de) |
| CA (1) | CA1153559A (de) |
| DD (1) | DD153894A5 (de) |
| DE (1) | DE3037865C2 (de) |
| ES (1) | ES8205865A1 (de) |
| FR (1) | FR2468650A1 (de) |
| GB (1) | GB2065709B (de) |
| IN (1) | IN153109B (de) |
| IT (1) | IT1141055B (de) |
| MX (1) | MX154127A (de) |
| SE (1) | SE448552B (de) |
| SU (1) | SU1128843A3 (de) |
| ZA (1) | ZA805062B (de) |
| ZM (1) | ZM7780A1 (de) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2911692A1 (de) * | 1979-03-24 | 1980-10-02 | Metallgesellschaft Ag | Verfahren zur erzeugung von reduktionsgas aus festen brennstoffen |
| US4381939A (en) * | 1981-01-29 | 1983-05-03 | Midrex Corporation | Method for selective reduction of metallic oxides |
| US4528030A (en) * | 1983-05-16 | 1985-07-09 | Hylsa, S.A. | Method of reducing iron ore |
| DE3317701C2 (de) * | 1983-05-16 | 1986-08-07 | Hylsa S.A., Monterrey, N.L. | Verfahren zum Betreiben eines Bewegtbett-Reduktionsreaktors mit vertikalem Schacht zum Reduzieren von Eisenerz zu Schwammeisen |
| DE3422186A1 (de) * | 1984-06-12 | 1985-12-12 | Korf Engineering GmbH, 4000 Düsseldorf | Verfahren zur direktreduktion von eisenerz oder eisenoxidpellets zu eisenschwamm und vorrichtung zur durchfuehrung dieses verfahrens |
| US4536213A (en) * | 1984-09-10 | 1985-08-20 | Mildrex International, B.V. | Reforming of higher hydrocarbons for metal oxide reduction |
| AT382166B (de) * | 1985-05-13 | 1987-01-26 | Voest Alpine Ag | Verfahren zur direktreduktion von teilchenf¯rmigem eisenoxidhaeltigem material |
| CA1336359C (en) * | 1987-11-02 | 1995-07-25 | Corporacion Venezolana De Guayana (Cvg) | Method and apparatus for the direct reduction of iron |
| USD435707S (en) | 1999-09-07 | 2000-12-26 | Amptek Company Limited | Vacuum cleaner |
| DE19953298C2 (de) * | 1999-11-05 | 2001-12-06 | Vogels Hanns Arnt | Verfahren und Vorrichtungen zur Leistungssteigerung und Brennstoffeinsparung bei der Erzeugung von Eisen |
| US20050151307A1 (en) * | 2003-09-30 | 2005-07-14 | Ricardo Viramontes-Brown | Method and apparatus for producing molten iron |
| US7608129B2 (en) * | 2006-04-24 | 2009-10-27 | Hyl Technologies S.A. De C.V. | Method and apparatus for producing direct reduced iron |
| UA97275C2 (ru) * | 2007-05-25 | 2012-01-25 | Хил ТЕЧНОЛОДЖИС, С.А. ГДЕ К.В. | СПОСОБ ПРОИЗВОДСТВА ЖЕЛЕЗА ПРЯМОГО ВОССТАНОВЛЕНИЯ В восстановительном РЕАКТОРе |
| US9388046B2 (en) | 2011-04-15 | 2016-07-12 | Biogenic Reagents Ventures, Llc | Systems and apparatus for production of high-carbon biogenic reagents |
| EP2847127B1 (de) | 2012-05-07 | 2020-10-14 | Carbon Technology Holdings, LLC | Verfahren zur herstellung biogener aktivkohle |
| KR101376138B1 (ko) * | 2012-12-27 | 2014-03-19 | 주식회사 포스코 | 용철제조장치 및 용철제조방법 |
| US12350648B2 (en) | 2013-10-24 | 2025-07-08 | Carbon Technology Holdings, LLC | Methods and apparatus for producing activated carbon from biomass through carbonized ash intermediates |
| MX2016009270A (es) | 2014-01-16 | 2017-05-04 | Biogenic Reagents Ventures Llc | Microplanta de carbono. |
| WO2015127460A1 (en) | 2014-02-24 | 2015-08-27 | Biogenic Reagent Ventures, Llc | Highly mesoporous activated carbon |
| WO2016065357A1 (en) | 2014-10-24 | 2016-04-28 | Biogenic Reagent Ventures, Llc | Halogenated activated carbon compositions and methods of making and using same |
| EP3806997A4 (de) | 2018-06-14 | 2022-03-09 | Carbon Technology Holdings, LLC | Biogene poröse kohlensiliziumdioxidzusammensetzungen und verfahren zu ihrer herstellung und verwendung |
| CN110453027A (zh) * | 2019-09-11 | 2019-11-15 | 武汉科思瑞迪科技有限公司 | 一种气基和煤基相结合的竖炉直接还原工艺 |
| CN110438278A (zh) * | 2019-09-11 | 2019-11-12 | 武汉科思瑞迪科技有限公司 | 一种气基和煤基相结合的竖炉直接还原工艺 |
| DE102019217631B4 (de) * | 2019-11-15 | 2024-05-29 | Thyssenkrupp Steel Europe Ag | Verfahren zur Direktreduktion von Eisenerz |
| CA3195363A1 (en) | 2020-09-25 | 2022-03-31 | Carbon Technology Holdings, LLC | Bio-reduction of metal ores integrated with biomass pyrolysis |
| CN116806251A (zh) * | 2020-11-20 | 2023-09-26 | 卡本科技控股有限责任公司 | 与金属矿石的生物还原、氢生产和/或活性炭生产集成的生物质热解 |
| EP4247549A4 (de) * | 2020-11-20 | 2024-10-30 | Carbon Technology Holdings, LLC | Biomassepyrolyse mit integrierter bioreduktion von metallerzen, wasserstoffherstellung und/oder aktivkohleherstellung |
| AU2022221681A1 (en) | 2021-02-18 | 2023-10-05 | Carbon Technology Holdings, LLC | Carbon-negative metallurgical products |
| US11932814B2 (en) | 2021-04-27 | 2024-03-19 | Carbon Technology Holdings, LLC | Biocarbon blends with optimized fixed carbon content, and methods for making and using the same |
| KR20240034210A (ko) | 2021-07-09 | 2024-03-13 | 카본 테크놀로지 홀딩스, 엘엘씨 | 고 고정-탄소 함량 및 최적화된 반응성을 갖는 바이오카본 펠릿을 생산하기 위한 공정, 및 이로부터 수득된 바이오카본 펠릿 |
| AU2022323092A1 (en) | 2021-08-02 | 2024-03-21 | Carbon Technology Holdings, LLC | Processes and systems for recapturing carbon from biomass pyrolysis liquids |
| DE102021122351A1 (de) * | 2021-08-30 | 2023-03-02 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung einer Eisenschmelze |
| EP4430018A4 (de) | 2021-11-12 | 2026-02-11 | Carbon Tech Holdings Llc | Biokohlenstoffzusammensetzungen mit optimierten zusammensetzungsparametern und verfahren zur herstellung davon |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1112007A (en) * | 1912-06-13 | 1914-09-29 | Karl Albert Fredrik Hiorth | Process of producing iron and steel directly from the ore |
| US3905806A (en) * | 1973-02-20 | 1975-09-16 | Armco Steel Corp | Method for the direct reduction of iron ores |
| US4019724A (en) * | 1973-02-20 | 1977-04-26 | Armco Steel Corporation | Apparatus for the direct reduction of iron ores |
| US3827879A (en) * | 1973-02-22 | 1974-08-06 | Fierro Esponja | Method for the gaseous reduction of metal ores |
| US3853538A (en) * | 1973-07-20 | 1974-12-10 | Steel Corp | Use of reducing gas by coal gasification for direct iron ore reduction |
| DE2431537A1 (de) * | 1974-07-01 | 1976-01-22 | Metallgesellschaft Ag | Verfahren zur direktreduktion mit reduzierten gasen |
| DE2438790B2 (de) * | 1974-08-13 | 1976-09-09 | Thyssen Purofer GmbH, 4000 Düsseldorf | Verfahren und anlage zur reduktion von eisenerzen, insbesondere von eisenerzpellets |
| US4108636A (en) * | 1974-08-13 | 1978-08-22 | Thyssen Purofer Gmbh | Method of the direct reduction of iron ore |
| SE387366C (sv) * | 1974-12-12 | 1980-04-14 | Stora Kopparbergs Bergslags Ab | Sett for reduktion av finfordelat metalloxidhaltigt material |
| JPS52155116A (en) * | 1976-06-18 | 1977-12-23 | Kobe Steel Ltd | Reduced iron preparation using hydrocarbon gas as reducing agent |
| US4150972A (en) * | 1977-11-17 | 1979-04-24 | Fierro Esponja, S.A. | Controlling carburization in the reduction of iron ore to sponge iron |
| US4160663A (en) * | 1978-02-21 | 1979-07-10 | Jack Hsieh | Method for the direct reduction of iron ore |
-
1979
- 1979-10-31 US US06/089,902 patent/US4246024A/en not_active Expired - Lifetime
-
1980
- 1980-08-18 ZA ZA00805062A patent/ZA805062B/xx unknown
- 1980-08-21 AU AU61641/80A patent/AU538947B2/en not_active Ceased
- 1980-09-05 AR AR282424A patent/AR225934A1/es active
- 1980-09-10 ZM ZM77/80A patent/ZM7780A1/xx unknown
- 1980-09-11 BR BR8005801A patent/BR8005801A/pt unknown
- 1980-09-16 IT IT24695/80A patent/IT1141055B/it active
- 1980-10-03 IN IN1128/CAL/80A patent/IN153109B/en unknown
- 1980-10-07 DE DE3037865A patent/DE3037865C2/de not_active Expired
- 1980-10-16 FR FR8022157A patent/FR2468650A1/fr active Granted
- 1980-10-22 JP JP55148105A patent/JPS5825727B2/ja not_active Expired
- 1980-10-28 DD DD224782A patent/DD153894A5/de unknown
- 1980-10-28 CA CA000363396A patent/CA1153559A/en not_active Expired
- 1980-10-29 SE SE8007603A patent/SE448552B/sv not_active IP Right Cessation
- 1980-10-29 GB GB8034792A patent/GB2065709B/en not_active Expired
- 1980-10-29 BE BE0/202625A patent/BE885920A/fr not_active IP Right Cessation
- 1980-10-30 ES ES496420A patent/ES8205865A1/es not_active Expired
- 1980-10-30 MX MX184544A patent/MX154127A/es unknown
- 1980-10-30 SU SU802999796A patent/SU1128843A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| ZM7780A1 (en) | 1981-09-21 |
| GB2065709B (en) | 1983-09-21 |
| SU1128843A3 (ru) | 1984-12-07 |
| US4246024A (en) | 1981-01-20 |
| IN153109B (de) | 1984-06-02 |
| JPS5825727B2 (ja) | 1983-05-30 |
| DD153894A5 (de) | 1982-02-10 |
| CA1153559A (en) | 1983-09-13 |
| FR2468650B1 (de) | 1984-02-17 |
| BE885920A (fr) | 1981-02-16 |
| ES496420A0 (es) | 1982-06-16 |
| AR225934A1 (es) | 1982-05-14 |
| SE8007603L (sv) | 1981-05-01 |
| FR2468650A1 (fr) | 1981-05-08 |
| AU538947B2 (en) | 1984-09-06 |
| MX154127A (es) | 1987-05-21 |
| ES8205865A1 (es) | 1982-06-16 |
| AU6164180A (en) | 1981-05-07 |
| BR8005801A (pt) | 1981-05-19 |
| IT1141055B (it) | 1986-10-01 |
| IT8024695A0 (it) | 1980-09-16 |
| JPS56105410A (en) | 1981-08-21 |
| DE3037865A1 (de) | 1981-05-27 |
| DE3037865C2 (de) | 1985-08-29 |
| GB2065709A (en) | 1981-07-01 |
| ZA805062B (en) | 1981-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1153559A (en) | Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels | |
| AU2009302946B2 (en) | Process for production of direct reduced iron | |
| US2343780A (en) | Reaction between solids and gases | |
| US4046557A (en) | Method for producing metallic iron particles | |
| US3749386A (en) | Method and means for reducing iron oxides in a gaseous reduction process | |
| US7776114B2 (en) | Process and apparatus for the endothermic gasification of carbon | |
| US4834792A (en) | Method for producing hot sponge iron by introducing hydrocarbon for carburizing into reduction zone | |
| US5064467A (en) | Method and apparatus for the direct reduction of iron | |
| US5618032A (en) | Shaft furnace for production of iron carbide | |
| US3607224A (en) | Direct reduction of iron ore | |
| US3020149A (en) | Beneficiation of ores | |
| SE448470B (sv) | Sett att reducera partikelformig jernmalm till jernsvamp | |
| US3816101A (en) | Method for reducing iron oxides in a gaseous reduction process | |
| US4223876A (en) | Apparatus for direct recovery of metal from metal-bearing ores | |
| SE448469B (sv) | Sett att reducera partikelformig jernmalm | |
| US9534265B2 (en) | Methods and systems for producing direct reduced iron incorporating a carbon dioxide and steam reformer fed by recovered carbon dioxide | |
| CA1205636A (en) | Method of converting iron ore into molten iron | |
| CN105263891A (zh) | 用于再循环甲烷的方法和装置 | |
| CN106521157A (zh) | 利用氢气竖炉湿法自重整直接还原红土镍矿的系统和方法 | |
| RU2304620C2 (ru) | Способ прямого восстановления оксидов железа и получения расплава железа и установка для его осуществления | |
| US2665199A (en) | Process for producing hydrogen and carbon monoxide from gaseous hydrocarbons | |
| US2675295A (en) | Process for rapidly and continuously performing a high temperature endothermic reaction between a solid and a gaseous reactant | |
| JPS58215484A (ja) | 炭素系燃料の水素化 | |
| US2586030A (en) | Manufacture of cyanides | |
| US20250188367A1 (en) | Processing a hydrocarbon using pyrolysis, method and apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8007603-7 Effective date: 19880318 Format of ref document f/p: F |