NL158850B - Werkwijze voor het reduceren van deeltjes metaalerts. - Google Patents
Werkwijze voor het reduceren van deeltjes metaalerts.Info
- Publication number
- NL158850B NL158850B NL7215799.A NL7215799A NL158850B NL 158850 B NL158850 B NL 158850B NL 7215799 A NL7215799 A NL 7215799A NL 158850 B NL158850 B NL 158850B
- Authority
- NL
- Netherlands
- Prior art keywords
- metal ore
- reducing particles
- particles
- reducing
- ore
- Prior art date
Links
- 239000002245 particle Substances 0.000 title 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
- C21B13/0073—Selection or treatment of the reducing gases
-
- 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
- C21B2100/60—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
- Y02P10/134—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)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00202411A US3816102A (en) | 1971-11-26 | 1971-11-26 | Method and apparatus for reducing particulate metal ores to sponge metal and cooling the reduced metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7215799A NL7215799A (enExample) | 1973-05-29 |
| NL158850B true NL158850B (nl) | 1978-12-15 |
Family
ID=22749767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7215799.A NL158850B (nl) | 1971-11-26 | 1972-11-22 | Werkwijze voor het reduceren van deeltjes metaalerts. |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3816102A (enExample) |
| JP (1) | JPS5232612B2 (enExample) |
| AT (1) | AT322590B (enExample) |
| AU (1) | AU463201B2 (enExample) |
| BE (1) | BE791784A (enExample) |
| BR (1) | BR7208265D0 (enExample) |
| CA (1) | CA966655A (enExample) |
| EG (1) | EG10805A (enExample) |
| ES (1) | ES409001A1 (enExample) |
| FR (1) | FR2161071B1 (enExample) |
| GB (1) | GB1372289A (enExample) |
| IL (1) | IL40758A (enExample) |
| IT (1) | IT973677B (enExample) |
| LU (1) | LU66549A1 (enExample) |
| NL (1) | NL158850B (enExample) |
| PH (1) | PH10147A (enExample) |
| TR (1) | TR17038A (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR204299A1 (es) * | 1974-10-18 | 1975-12-10 | Fierro Esponja | Aparato y metodo para la reduccion gaseosa de oxidos de metal a temperaturas elevadas |
| US4047935A (en) * | 1974-12-11 | 1977-09-13 | United States Steel Corporation | Process for direct-reduction of iron-ore employing nuclear reactor-powdered catalytic reformer |
| JPS5274516A (en) * | 1975-10-28 | 1977-06-22 | Hitachi Zosen Corp | Gas supply system in fixed bed retort type sponge iron production proc ess |
| US4099962A (en) * | 1976-01-05 | 1978-07-11 | Grupo Industrial Alfa, S.A. | Method and apparatus for measuring and controlling the percentage reduction of ore in a moving bed gaseous reduction reactor |
| JPS5288522A (en) * | 1976-01-17 | 1977-07-25 | Foster Wheeler Energy Corp | Production of sponge iron |
| US4045212A (en) * | 1976-02-17 | 1977-08-30 | General Motors Corporation | Method of operation of a cupola |
| 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 |
| FR2835000B1 (fr) * | 2002-01-21 | 2004-11-05 | Delachaux Sa | Procede de fabrication d'elements metalliques au moyen d'un creuset |
| US6860723B2 (en) * | 2002-10-05 | 2005-03-01 | Taiwan Semiconductor Manufacturing Co., Ltd | Slurry flow control and monitor system for chemical mechanical polisher |
| US7856948B2 (en) | 2004-05-27 | 2010-12-28 | Wyeth Llc | Self-steaming compositions, articles comprising such compositions and methods of preparing such compositions |
| US7878187B2 (en) * | 2005-09-23 | 2011-02-01 | Wyeth Llc | Heat cells comprising exothermic compositions having absorbent gelling material |
| US7794649B2 (en) * | 2005-09-23 | 2010-09-14 | Wyeth Llc | Method of making heat cells comprising exothermic compositions having absorbent gelling material |
| US8430921B2 (en) | 2008-05-15 | 2013-04-30 | Wyeth | Portable moist heat system |
| IT202300020244A1 (it) | 2023-10-02 | 2025-04-02 | Piergiorgio Luigi Fontana | Processo di riduzione di minerale di ferro alimentato con idrogeno |
| WO2026048210A1 (ja) * | 2024-08-27 | 2026-03-05 | Jfeスチール株式会社 | 還元鉄の製造方法および還元炉 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2048112A (en) * | 1933-07-31 | 1936-07-21 | Gahl Rudolf | Process for reduction of metaloxygen compounds |
| US2793946A (en) * | 1952-10-04 | 1957-05-28 | George R Paschal | Methods and apparatus for the production of iron |
| US3375099A (en) * | 1964-06-30 | 1968-03-26 | Armco Steel Corp | Production of iron from pelletized iron ores |
| US3375098A (en) * | 1964-07-22 | 1968-03-26 | Armco Steel Corp | Gaseous reduction of iron ores |
| US3475160A (en) * | 1967-02-15 | 1969-10-28 | Exxon Research Engineering Co | Method of producing reducing gases for the fluidized bed reduction of ores |
-
0
- BE BE791784D patent/BE791784A/xx unknown
-
1971
- 1971-11-26 US US00202411A patent/US3816102A/en not_active Expired - Lifetime
-
1972
- 1972-11-07 IL IL4075872A patent/IL40758A/xx unknown
- 1972-11-09 GB GB5182472A patent/GB1372289A/en not_active Expired
- 1972-11-10 PH PH14071A patent/PH10147A/en unknown
- 1972-11-13 AU AU48781/72A patent/AU463201B2/en not_active Expired
- 1972-11-22 NL NL7215799.A patent/NL158850B/xx not_active IP Right Cessation
- 1972-11-22 IT IT5420172A patent/IT973677B/it active
- 1972-11-23 TR TR1703872A patent/TR17038A/xx unknown
- 1972-11-24 FR FR7241888A patent/FR2161071B1/fr not_active Expired
- 1972-11-24 BR BR826572A patent/BR7208265D0/pt unknown
- 1972-11-24 AT AT1002572A patent/AT322590B/de not_active IP Right Cessation
- 1972-11-24 LU LU66549D patent/LU66549A1/xx unknown
- 1972-11-24 CA CA157,473A patent/CA966655A/en not_active Expired
- 1972-11-25 ES ES409001A patent/ES409001A1/es not_active Expired
- 1972-11-27 JP JP11815372A patent/JPS5232612B2/ja not_active Expired
- 1972-11-30 EG EG48672A patent/EG10805A/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| TR17038A (tr) | 1974-04-25 |
| PH10147A (en) | 1976-09-06 |
| ES409001A1 (es) | 1976-04-01 |
| US3816102A (en) | 1974-06-11 |
| JPS4863916A (enExample) | 1973-09-05 |
| GB1372289A (en) | 1974-10-30 |
| LU66549A1 (enExample) | 1973-06-08 |
| CA966655A (en) | 1975-04-29 |
| NL7215799A (enExample) | 1973-05-29 |
| AT322590B (de) | 1975-05-26 |
| EG10805A (en) | 1976-11-30 |
| BE791784A (fr) | 1973-05-23 |
| AU463201B2 (en) | 1975-07-17 |
| DE2256266A1 (de) | 1973-05-30 |
| IL40758A0 (en) | 1973-01-30 |
| FR2161071A1 (enExample) | 1973-07-06 |
| IL40758A (en) | 1975-12-31 |
| DE2256266B2 (de) | 1976-09-23 |
| AU4878172A (en) | 1974-05-16 |
| FR2161071B1 (enExample) | 1976-08-20 |
| IT973677B (it) | 1974-06-10 |
| BR7208265D0 (pt) | 1973-09-18 |
| JPS5232612B2 (enExample) | 1977-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: FIERRO |