BR7401058D0 - Processo para reducao gasosa de minerios de metal para metal esponja - Google Patents
Processo para reducao gasosa de minerios de metal para metal esponjaInfo
- Publication number
- BR7401058D0 BR7401058D0 BR105874A BR105874A BR7401058D0 BR 7401058 D0 BR7401058 D0 BR 7401058D0 BR 105874 A BR105874 A BR 105874A BR 105874 A BR105874 A BR 105874A BR 7401058 D0 BR7401058 D0 BR 7401058D0
- Authority
- BR
- Brazil
- Prior art keywords
- metal
- sponge
- reduction process
- gas reduction
- metal gas
- Prior art date
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 And Refinement Of Metals (AREA)
- Manufacture Of Iron (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 (1)
Publication Number | Publication Date |
---|---|
BR7401058D0 true BR7401058D0 (pt) | 1974-10-29 |
Family
ID=23308252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR105874A BR7401058D0 (pt) | 1973-02-22 | 1974-02-14 | Processo para reducao gasosa de minerios de metal para metal esponja |
Country Status (8)
Country | Link |
---|---|
US (1) | US3827879A (pt) |
AU (1) | AU465254B2 (pt) |
BR (1) | BR7401058D0 (pt) |
DE (1) | DE2405898C3 (pt) |
FR (1) | FR2219234B1 (pt) |
GB (1) | GB1410464A (pt) |
IL (1) | IL44083A (pt) |
NL (1) | NL158228B (pt) |
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 |
CN102098992B (zh) | 2008-05-15 | 2013-12-04 | 惠氏有限责任公司 | 便携式湿热*** |
US10260117B2 (en) | 2013-07-22 | 2019-04-16 | Saudi Basic Industries Corporation | Use of top gas in direct reduction processes |
-
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 |
---|---|
NL7401425A (pt) | 1974-08-26 |
GB1410464A (en) | 1975-10-15 |
AU465254B2 (en) | 1975-09-25 |
US3827879A (en) | 1974-08-06 |
IL44083A (en) | 1976-10-31 |
AU6483274A (en) | 1975-07-24 |
NL158228B (nl) | 1978-10-16 |
DE2405898C3 (de) | 1978-11-02 |
FR2219234B1 (pt) | 1976-11-26 |
FR2219234A1 (pt) | 1974-09-20 |
IL44083A0 (en) | 1974-05-16 |
DE2405898B2 (de) | 1978-03-09 |
DE2405898A1 (de) | 1974-09-05 |
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