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 (en:Method) |
| JP (1) | JPS5825727B2 (en:Method) |
| AR (1) | AR225934A1 (en:Method) |
| AU (1) | AU538947B2 (en:Method) |
| BE (1) | BE885920A (en:Method) |
| BR (1) | BR8005801A (en:Method) |
| CA (1) | CA1153559A (en:Method) |
| DD (1) | DD153894A5 (en:Method) |
| DE (1) | DE3037865C2 (en:Method) |
| ES (1) | ES496420A0 (en:Method) |
| FR (1) | FR2468650A1 (en:Method) |
| GB (1) | GB2065709B (en:Method) |
| IN (1) | IN153109B (en:Method) |
| IT (1) | IT1141055B (en:Method) |
| MX (1) | MX154127A (en:Method) |
| SE (1) | SE448552B (en:Method) |
| SU (1) | SU1128843A3 (en:Method) |
| ZA (1) | ZA805062B (en:Method) |
| ZM (1) | ZM7780A1 (en:Method) |
Families Citing this family (31)
| 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 |
| 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 |
| US4528030A (en) * | 1983-05-16 | 1985-07-09 | Hylsa, S.A. | Method of reducing iron ore |
| 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 |
| CN101755056B (zh) * | 2007-05-25 | 2013-03-27 | 伊尔技术有限公司 | 利用合成气直接还原铁矿石的方法和设备 |
| WO2012142489A1 (en) | 2011-04-15 | 2012-10-18 | Biogenic Reagents LLC | Systems and apparatus for production of high-carbon biogenic reagents |
| JP2015520671A (ja) | 2012-05-07 | 2015-07-23 | バイオジェニック レゲント ベンチャーズ エルエルシー | 生物起源の活性炭ならびにそれを作製および使用する方法 |
| KR101376138B1 (ko) * | 2012-12-27 | 2014-03-19 | 주식회사 포스코 | 용철제조장치 및 용철제조방법 |
| WO2015061701A1 (en) | 2013-10-24 | 2015-04-30 | Biogenic Reagent Ventures, Llc | Methods and apparatus for producing activated carbon from biomass through carbonized ash intermediates |
| WO2015127460A1 (en) | 2014-02-24 | 2015-08-27 | Biogenic Reagent Ventures, Llc | Highly mesoporous activated carbon |
| US11413601B2 (en) | 2014-10-24 | 2022-08-16 | Carbon Technology Holdings, LLC | Halogenated activated carbon compositions and methods of making and using same |
| MX2020013421A (es) | 2018-06-14 | 2021-03-29 | Carbon Tech Holdings Llc | Composiciones de dióxido de silicio de carbono poroso biogénico, métodos de elaboracion y uso de estas. |
| 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 |
| CN116419965A (zh) | 2020-09-25 | 2023-07-11 | 卡本科技控股有限责任公司 | 与生物质热解集成的金属矿石的生物还原 |
| US20220162064A1 (en) * | 2020-11-20 | 2022-05-26 | Carbon Technology Holdings, LLC | Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production |
| CN116710403A (zh) * | 2020-11-20 | 2023-09-05 | 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 |
| CA3207965A1 (en) | 2021-02-18 | 2022-08-25 | James A. Mennell | Carbon-negative metallurgical products |
| WO2022232311A1 (en) | 2021-04-27 | 2022-11-03 | Carbon Technology Holdings, LLC | Biocarbon compositions with optimized fixed carbon and processes for producing the same |
| MX2024000021A (es) | 2021-07-09 | 2024-04-02 | Carbon Tech Holdings Llc | Procesos para producir pelotillas de biocarbono con alto contenido de carbono fijo y reactividad optimizada, y pelotillas de biocarbono obtenidas de los mismos. |
| DE102021122351A1 (de) * | 2021-08-30 | 2023-03-02 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung einer Eisenschmelze |
| MX2024005523A (es) | 2021-11-12 | 2024-07-22 | Carbon Tech Holdings Llc | Composiciones de biocarbono con parámetros de composición optimizados y procesos para producir las mismas. |
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 |
| US4019724A (en) * | 1973-02-20 | 1977-04-26 | Armco Steel Corporation | Apparatus for the direct reduction of iron ores |
| US3905806A (en) * | 1973-02-20 | 1975-09-16 | Armco Steel Corp | Method 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 CA CA000363396A patent/CA1153559A/en not_active Expired
- 1980-10-28 DD DD224782A patent/DD153894A5/de unknown
- 1980-10-29 BE BE0/202625A patent/BE885920A/fr not_active IP Right Cessation
- 1980-10-29 GB GB8034792A patent/GB2065709B/en not_active Expired
- 1980-10-29 SE SE8007603A patent/SE448552B/sv not_active IP Right Cessation
- 1980-10-30 SU SU802999796A patent/SU1128843A3/ru active
- 1980-10-30 MX MX184544A patent/MX154127A/es unknown
- 1980-10-30 ES ES496420A patent/ES496420A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ZM7780A1 (en) | 1981-09-21 |
| DE3037865A1 (de) | 1981-05-27 |
| ZA805062B (en) | 1981-08-26 |
| SU1128843A3 (ru) | 1984-12-07 |
| BE885920A (fr) | 1981-02-16 |
| US4246024A (en) | 1981-01-20 |
| IN153109B (en:Method) | 1984-06-02 |
| GB2065709B (en) | 1983-09-21 |
| JPS5825727B2 (ja) | 1983-05-30 |
| IT1141055B (it) | 1986-10-01 |
| ES8205865A1 (es) | 1982-06-16 |
| CA1153559A (en) | 1983-09-13 |
| DD153894A5 (de) | 1982-02-10 |
| AU6164180A (en) | 1981-05-07 |
| MX154127A (es) | 1987-05-21 |
| IT8024695A0 (it) | 1980-09-16 |
| DE3037865C2 (de) | 1985-08-29 |
| FR2468650A1 (fr) | 1981-05-08 |
| SE8007603L (sv) | 1981-05-01 |
| JPS56105410A (en) | 1981-08-21 |
| BR8005801A (pt) | 1981-05-19 |
| GB2065709A (en) | 1981-07-01 |
| AU538947B2 (en) | 1984-09-06 |
| FR2468650B1 (en:Method) | 1984-02-17 |
| ES496420A0 (es) | 1982-06-16 |
| AR225934A1 (es) | 1982-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE448552B (sv) | Sett vid reduktion av finkornig jernmalm till jernsvamp i reaktor med staende schakt | |
| US8709128B2 (en) | Process for production of direct reduced iron | |
| US2343780A (en) | Reaction between solids and gases | |
| US4046557A (en) | Method for producing metallic iron particles | |
| 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 | |
| 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 | |
| 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 | |
| US4556417A (en) | Process for the direct reduction of iron ores | |
| 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 | |
| SE435732B (sv) | Forfarande for framstellning av rajern ur jernslig | |
| 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 | |
| US2586030A (en) | Manufacture of cyanides | |
| US20250188367A1 (en) | Processing a hydrocarbon using pyrolysis, method and apparatus | |
| GB2123038A (en) | Process for the direct reduction of iron ores | |
| JPS59100205A (ja) | 塊状鉄鉱石から海綿鉄粒子および液状銑鉄を直接製造する方法および設備 | |
| JPS589809B2 (ja) | 流動層を用い粉状酸化鉄の焼結・還元と重質油のガス化とを同時に生起させる操業方法 |
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 |