NL7401425A - - Google Patents
Info
- Publication number
- NL7401425A NL7401425A NL7401425A NL7401425A NL7401425A NL 7401425 A NL7401425 A NL 7401425A NL 7401425 A NL7401425 A NL 7401425A NL 7401425 A NL7401425 A NL 7401425A NL 7401425 A NL7401425 A NL 7401425A
- Authority
- NL
- Netherlands
Links
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
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
-
- 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
- C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
-
- 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
-
- 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
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00334670A US3827879A (en) | 1973-02-22 | 1973-02-22 | Method for the gaseous reduction of metal ores |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7401425A true NL7401425A (https=) | 1974-08-26 |
| NL158228B NL158228B (nl) | 1978-10-16 |
Family
ID=23308252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7401425.A NL158228B (nl) | 1973-02-22 | 1974-02-01 | Werkwijze voor het ladingsgewijs met een gas reduceren van metaalertsen tot sponsmetaal in een reductie-inrichting. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3827879A (https=) |
| AU (1) | AU465254B2 (https=) |
| BR (1) | BR7401058D0 (https=) |
| DE (1) | DE2405898C3 (https=) |
| FR (1) | FR2219234B1 (https=) |
| GB (1) | GB1410464A (https=) |
| IL (1) | IL44083A (https=) |
| NL (1) | NL158228B (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099963A (en) * | 1974-10-18 | 1978-07-11 | Fierro Esponja, S.A. | Method for the batchwise reduction of metal ores |
| AR204299A1 (es) * | 1974-10-18 | 1975-12-10 | Fierro Esponja | Aparato y metodo para la reduccion gaseosa de oxidos de metal a temperaturas elevadas |
| 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 |
| US4375983A (en) * | 1979-04-26 | 1983-03-08 | Hylsa, S.A. | Method of making sponge metal |
| FR2456780A1 (fr) * | 1979-04-26 | 1980-12-12 | Hylsa Sa | Procede de fabrication de metal spongieux par reduction discontinue d'oxydes metalliques |
| US4261734A (en) * | 1979-09-04 | 1981-04-14 | Hylsa, S.A. | Method of making sponge iron |
| US4246024A (en) * | 1979-10-31 | 1981-01-20 | Grupo Industrial Alfa, S.A. | Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels |
| CA1336359C (en) * | 1987-11-02 | 1995-07-25 | Corporacion Venezolana De Guayana (Cvg) | Method and apparatus for the direct reduction of iron |
| US5064467A (en) * | 1987-11-02 | 1991-11-12 | C.V.G. Siderurgica Del Orinoco, C.A. | Method and apparatus for the direct reduction of iron |
| AT402938B (de) * | 1994-06-23 | 1997-09-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur direktreduktion von verfahren und anlage zur direktreduktion von eisenoxidhältigem material eisenoxidhältigem material |
| AT406382B (de) * | 1996-11-06 | 2000-04-25 | Voest Alpine Ind Anlagen | Verfahren zum herstellen von eisenschwamm durch direktreduktion von eisenoxidhältigem material |
| 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 |
| JP4068108B2 (ja) * | 2005-11-04 | 2008-03-26 | 大陽日酸株式会社 | 熱媒加熱冷却装置 |
| US8430921B2 (en) | 2008-05-15 | 2013-04-30 | Wyeth | Portable moist heat system |
| CN113249536A (zh) | 2013-07-22 | 2021-08-13 | 沙特基础工业公司 | 炉顶气在直接还原工艺中的使用 |
-
1973
- 1973-02-22 US US00334670A patent/US3827879A/en not_active Expired - Lifetime
-
1974
- 1974-01-24 GB GB340774A patent/GB1410464A/en not_active Expired
- 1974-01-24 AU AU64832/74A patent/AU465254B2/en not_active Expired
- 1974-01-25 IL IL44083A patent/IL44083A/en unknown
- 1974-02-01 NL NL7401425.A patent/NL158228B/xx not_active IP Right Cessation
- 1974-02-07 DE DE2405898A patent/DE2405898C3/de not_active Expired
- 1974-02-08 FR FR7404375A patent/FR2219234B1/fr not_active Expired
- 1974-02-14 BR BR105874A patent/BR7401058D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3827879A (en) | 1974-08-06 |
| FR2219234B1 (https=) | 1976-11-26 |
| AU465254B2 (en) | 1975-09-25 |
| DE2405898C3 (de) | 1978-11-02 |
| AU6483274A (en) | 1975-07-24 |
| BR7401058D0 (pt) | 1974-10-29 |
| IL44083A0 (en) | 1974-05-16 |
| NL158228B (nl) | 1978-10-16 |
| IL44083A (en) | 1976-10-31 |
| FR2219234A1 (https=) | 1974-09-20 |
| GB1410464A (en) | 1975-10-15 |
| DE2405898A1 (de) | 1974-09-05 |
| DE2405898B2 (de) | 1978-03-09 |
Similar Documents
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 ESPONJ |