SE438160B - Forfarande for reduktion av metallmalm - Google Patents
Forfarande for reduktion av metallmalmInfo
- Publication number
- SE438160B SE438160B SE7904267A SE7904267A SE438160B SE 438160 B SE438160 B SE 438160B SE 7904267 A SE7904267 A SE 7904267A SE 7904267 A SE7904267 A SE 7904267A SE 438160 B SE438160 B SE 438160B
- Authority
- SE
- Sweden
- Prior art keywords
- reducing agent
- blast furnace
- carbon monoxide
- ore
- carbonaceous reducing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 35
- 239000003638 chemical reducing agent Substances 0.000 claims description 62
- 239000007789 gas Substances 0.000 claims description 58
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 239000003054 catalyst Substances 0.000 claims description 32
- 239000000571 coke Substances 0.000 claims description 28
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 7
- 238000007323 disproportionation reaction Methods 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000000295 fuel oil Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims 3
- 229910000531 Co alloy Inorganic materials 0.000 claims 1
- 229910000640 Fe alloy Inorganic materials 0.000 claims 1
- 229910000990 Ni alloy Inorganic materials 0.000 claims 1
- 238000007664 blowing Methods 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 239000003245 coal Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000565 sealant Substances 0.000 description 7
- 238000011946 reduction process Methods 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000010742 number 1 fuel oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- 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
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/906,506 US4248627A (en) | 1978-05-16 | 1978-05-16 | Process for the manufacture and use of high purity carbonaceous reductant from carbon monoxide-containing gas mixtures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7904267L SE7904267L (sv) | 1979-11-17 |
| SE438160B true SE438160B (sv) | 1985-04-01 |
Family
ID=25422560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7904267A SE438160B (sv) | 1978-05-16 | 1979-05-15 | Forfarande for reduktion av metallmalm |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4248627A (fr) |
| JP (1) | JPS54150388A (fr) |
| AU (1) | AU530313B2 (fr) |
| BE (1) | BE876295A (fr) |
| BR (1) | BR7902940A (fr) |
| CA (1) | CA1149135A (fr) |
| DE (1) | DE2919552A1 (fr) |
| FR (1) | FR2426089B1 (fr) |
| GB (1) | GB2021153B (fr) |
| IT (1) | IT1120958B (fr) |
| LU (1) | LU81258A1 (fr) |
| NL (1) | NL7903856A (fr) |
| SE (1) | SE438160B (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0125357B1 (fr) * | 1983-05-11 | 1989-04-19 | Trw Inc. | Matériaux carbonés oxydés et compositions à base de caoutchouc comprenant ces matériaux carbonés |
| EP0431819A1 (fr) * | 1989-11-28 | 1991-06-12 | Yutaka Tamaura | Méthode pour décomposer des oxydes gazeux et catalyseur utilisé à cet effet |
| US5234490A (en) * | 1991-11-29 | 1993-08-10 | Armco Inc. | Operating a blast furnace using dried top gas |
| EP2838844A4 (fr) * | 2012-04-16 | 2015-10-28 | Seerstone Llc | Procédé de traitement d'un dégagement gazeux contenant des oxydes de carbone |
| US9284190B2 (en) | 2012-07-13 | 2016-03-15 | Corning Incorporated | Electrochemical high rate storage materials, process and electrodes |
| JP7463174B2 (ja) | 2020-04-06 | 2024-04-08 | 三菱重工業株式会社 | 固体炭素生成装置および固体炭素生成方法 |
| JPWO2023214563A1 (fr) * | 2022-05-02 | 2023-11-09 | ||
| JP7718507B2 (ja) * | 2022-08-08 | 2025-08-05 | Jfeスチール株式会社 | 炭素塊成化物の製造方法 |
| CA3268443A1 (fr) * | 2022-09-20 | 2024-03-28 | Pyrogenesis Canada Inc. | Procédé de production de silicium à faible émission de carbone |
| AU2023390914A1 (en) * | 2022-12-09 | 2025-06-19 | Alterna Materials, Llc | Metal ore reduction reactor with self-generating reductant |
| JPWO2024154412A1 (fr) | 2023-01-19 | 2024-07-25 |
Family Cites Families (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1120682A (en) * | 1913-11-07 | 1914-12-15 | Nitrogen Products Company | Method of fixing nitrogen. |
| US1352162A (en) * | 1918-01-24 | 1920-09-07 | Nitrogen Products Company | Production of substantially pure carbon and the like |
| US1792507A (en) * | 1926-06-10 | 1931-02-17 | William W Percy | Process of reducing the iron in iron oxides to its metallic form |
| US1803855A (en) * | 1926-07-13 | 1931-05-05 | Ig Farbenindustrie Ag | Manufacture of carbon |
| US1964744A (en) * | 1930-02-20 | 1934-07-03 | William W Odell | Process of making carbon black |
| US2008270A (en) * | 1930-04-16 | 1935-07-16 | Gen Carbonalpha Company | Method of manufacturing carbon black |
| US2107980A (en) * | 1936-03-16 | 1938-02-08 | Elian John | Method for preparing iron and steel |
| US2598735A (en) * | 1948-07-16 | 1952-06-03 | Hydrocarbon Research Inc | Iron oxide reduction |
| FR980962A (fr) * | 1948-08-26 | 1951-05-21 | Standard Oil Dev Co | Procédé perfectionné de marche des hauts-fourneaux |
| US2711951A (en) * | 1951-08-02 | 1955-06-28 | Illinois Clay Products Co | Process for producing a briquette of iron ore |
| FR1076087A (fr) * | 1952-09-13 | 1954-10-22 | Dalmine Spa | Procédé pour la réduction, en phase solide, de minerais oxydés, en particulier de minerais de fer, au moyen d'hydrocarbures gazeux et liquéfiables craqués, et installation appropriée à la mise en oeuvre dudit procédé |
| US2780537A (en) * | 1952-11-24 | 1957-02-05 | Stelling | Process of treating pulverulent iron oxides |
| US2799576A (en) * | 1953-11-11 | 1957-07-16 | Strikfeldt & Co W | Process for operating shaft blast furnaces |
| US2873183A (en) * | 1954-07-07 | 1959-02-10 | Kenneth B Ray And The St Trust | Continuous iron ore reduction process |
| GB830592A (en) * | 1958-05-27 | 1960-03-16 | Inland Steel Co | Process for reducing iron oxides |
| US3151974A (en) * | 1961-04-26 | 1964-10-06 | Huttenwerk Salzgitter Ag | Process for the operation of blast furnaces |
| US3257199A (en) * | 1963-07-19 | 1966-06-21 | Reynolds Metals Co | Thermal reduction |
| US3356488A (en) * | 1964-02-24 | 1967-12-05 | John H Walsh | Process for utilizing hydrocarbon injection into hot reducing gases in steelmaking |
| US3321303A (en) * | 1966-09-06 | 1967-05-23 | Treadwell Corp | Recovery of copper |
| GB1127145A (en) * | 1965-06-23 | 1968-09-11 | Centro Sperimentale Metallurgico Spa | Process of producing pure iron powder and product thereof |
| US3392008A (en) * | 1965-07-29 | 1968-07-09 | Exxon Research Engineering Co | Production of iron |
| DE1508081A1 (de) * | 1966-01-07 | 1970-03-12 | Schenk Dr Ing Dr Ing E H Herma | Verfahren zur Reduktion von Eisenerzen mit Kohlenwasserstoffen |
| DE1508082A1 (de) * | 1966-02-11 | 1970-04-09 | Schenck Dr Ing Hermann | Verfahren und Vorrichtung zur Gewinnung von fluessigem Eisen aus Eisenerzen mit Kohlenwasserstoffen |
| US3392218A (en) * | 1966-03-31 | 1968-07-09 | Exxon Research Engineering Co | Method of heating carbon monoxidecontaining gases without carbon deposition |
| US3475160A (en) * | 1967-02-15 | 1969-10-28 | Exxon Research Engineering Co | Method of producing reducing gases for the fluidized bed reduction of ores |
| US3494738A (en) * | 1968-03-14 | 1970-02-10 | Phillips Petroleum Co | Preparation of iron carbide (fe3c) |
| US3637368A (en) * | 1968-10-16 | 1972-01-25 | Exxon Research Engineering Co | Increased metallizations of iron ore from fluidized bed processes |
| US3841849A (en) * | 1970-09-25 | 1974-10-15 | F Beckmann | Process of manufacturing fuel briquettes |
| US3788835A (en) * | 1970-12-30 | 1974-01-29 | Exxon Research Engineering Co | Iron ore reduction process(nu-9) |
| US3861885A (en) * | 1971-09-22 | 1975-01-21 | Inst Gas Technology | Carbon black fuel production |
| JPS4981295A (fr) * | 1972-12-12 | 1974-08-06 | ||
| US3885023A (en) * | 1973-02-15 | 1975-05-20 | Phillips Petroleum Co | Preparation of iron carbide (Fe{hd 3{b C) |
| GB1473723A (en) * | 1973-08-06 | 1977-05-18 | Ontario Research Foundation | Recovery of sponge chromium from chromite ore |
| US3890142A (en) * | 1973-10-16 | 1975-06-17 | Fierro Esponja | Method for gaseous reduction of metal ores |
| US4065296A (en) * | 1975-03-13 | 1977-12-27 | Verkaufsgesellschaft Fur Teererzeugnisse (Vft) | Process for preparing composition containing carbon and low sulfur, nitrogen and ash content |
| US4116680A (en) * | 1976-02-24 | 1978-09-26 | Robert Kenneth Jordan | Coproduction of iron and carbon black |
-
1978
- 1978-05-16 US US05/906,506 patent/US4248627A/en not_active Expired - Lifetime
-
1979
- 1979-05-04 GB GB7915537A patent/GB2021153B/en not_active Expired
- 1979-05-08 AU AU46799/79A patent/AU530313B2/en not_active Ceased
- 1979-05-11 JP JP5796279A patent/JPS54150388A/ja active Pending
- 1979-05-14 BR BR7902940A patent/BR7902940A/pt unknown
- 1979-05-14 IT IT68019/79A patent/IT1120958B/it active
- 1979-05-14 FR FR7912243A patent/FR2426089B1/fr not_active Expired
- 1979-05-15 DE DE19792919552 patent/DE2919552A1/de not_active Ceased
- 1979-05-15 LU LU81258A patent/LU81258A1/fr unknown
- 1979-05-15 CA CA000327681A patent/CA1149135A/fr not_active Expired
- 1979-05-15 SE SE7904267A patent/SE438160B/sv not_active IP Right Cessation
- 1979-05-16 BE BE0/195195A patent/BE876295A/fr not_active IP Right Cessation
- 1979-05-16 NL NL7903856A patent/NL7903856A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2426089A1 (fr) | 1979-12-14 |
| JPS54150388A (en) | 1979-11-26 |
| DE2919552A1 (de) | 1979-11-22 |
| US4248627A (en) | 1981-02-03 |
| FR2426089B1 (fr) | 1985-10-18 |
| NL7903856A (nl) | 1979-11-20 |
| GB2021153B (en) | 1982-08-18 |
| GB2021153A (en) | 1979-11-28 |
| SE7904267L (sv) | 1979-11-17 |
| IT1120958B (it) | 1986-03-26 |
| BR7902940A (pt) | 1979-11-27 |
| LU81258A1 (fr) | 1979-09-10 |
| BE876295A (fr) | 1979-11-16 |
| CA1149135A (fr) | 1983-07-05 |
| IT7968019A0 (it) | 1979-05-14 |
| AU4679979A (en) | 1979-11-22 |
| AU530313B2 (en) | 1983-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3031287A (en) | Process for manufacturing mixtures of hydrogen, carbon monoxide, and methane | |
| US2740706A (en) | Method of reducing metal oxides | |
| RU2610082C2 (ru) | Способ получения синтетического газа | |
| US3215522A (en) | Silicon metal production | |
| Dutta et al. | Direct reduced iron: Production | |
| CN114729409B (zh) | 直接还原铁矿石的方法 | |
| SE457265B (sv) | Foerfarande och anlaeggning foer framstaellning av tackjaern | |
| IE46156B1 (en) | Improvements in and relating to a process for concentrating iron in iron ore | |
| US3749386A (en) | Method and means for reducing iron oxides in a gaseous reduction process | |
| Halder et al. | Reduction of iron-oxide-carbon composites: part I. Estimation of the rate constants | |
| AU2023230580B2 (en) | Method for producing molten pig iron | |
| Hayashi et al. | Production of iron carbide from iron ores in a fluidized bed | |
| SE438160B (sv) | Forfarande for reduktion av metallmalm | |
| EP0196359B1 (fr) | Procédé et dispositif pour la réduction directe de minerais de fer dans un lit fluidisé | |
| EP3360948A1 (fr) | Procédé de gazéification de combustible carboné, procédé de fonctionnement d'une aciérie et procédé de production de gaz gazéifié | |
| JP7315125B1 (ja) | 粉鉄鉱石の還元方法 | |
| JPS62260711A (ja) | 二酸化ケイ素の炭素熱還元によるケイ素の製造法 | |
| TW304982B (fr) | ||
| US20020009411A1 (en) | Method for producing tungsten carbide | |
| JPS60155627A (ja) | 金属化合物の還元方法とその装置 | |
| JP7605377B2 (ja) | 還元鉄の製造方法 | |
| WO2000065114A1 (fr) | REDUCTION DE FINES EN LATERITE DANS UN LIT FLUIDISE AU MOYEN DE GAZ REDUCTEURS GENERES $i(IN SITU) | |
| CN103703111A (zh) | 煤气的制造方法以及甲烷的制造方法 | |
| WO2023162389A1 (fr) | Procédé de réduction de minerai de fer fin | |
| US3620699A (en) | Reducing gas generation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7904267-7 Effective date: 19880318 Format of ref document f/p: F |