FI920310A - Menetelmä metallioksidipitoisen aineen pelkistämiseksi kiinteässä olomuodossa - Google Patents
Menetelmä metallioksidipitoisen aineen pelkistämiseksi kiinteässä olomuodossa Download PDFInfo
- Publication number
- FI920310A FI920310A FI920310A FI920310A FI920310A FI 920310 A FI920310 A FI 920310A FI 920310 A FI920310 A FI 920310A FI 920310 A FI920310 A FI 920310A FI 920310 A FI920310 A FI 920310A
- Authority
- FI
- Finland
- Prior art keywords
- chamber
- pct
- metal oxide
- reduction
- solid phase
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
- C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Manufacture Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Carbon And Carbon Compounds (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI920310A FI92223C (fi) | 1992-01-24 | 1992-01-24 | Menetelmä metallioksidipitoisen aineen pelkistämiseksi kiinteässä olomuodossa |
AT93902275T ATE131538T1 (de) | 1992-01-24 | 1993-01-21 | Verfahren zur herstellung eines materials mit metalloxiden in fester phase |
CA002128605A CA2128605A1 (en) | 1992-01-24 | 1993-01-21 | Method for reducing material containing metal oxide in solid phase |
AU33542/93A AU666163B2 (en) | 1992-01-24 | 1993-01-21 | Method for reducing material containing metal oxide in solid phase |
US08/256,575 US5445667A (en) | 1992-01-24 | 1993-01-21 | Method for reducing material containing metal oxide in solid phase |
EP93902275A EP0621903B1 (en) | 1992-01-24 | 1993-01-21 | Method for reducing material containing metal oxide in solid phase |
PCT/FI1993/000020 WO1993015232A1 (en) | 1992-01-24 | 1993-01-21 | Method for reducing material containing metal oxide in solid phase |
HU9402093A HUT70857A (en) | 1992-01-24 | 1993-01-21 | Method for reducing material containing metal oxide in solid phase |
JP5512951A JPH07503283A (ja) | 1992-01-24 | 1993-01-21 | 金属酸化物含有材料の固相還元方法 |
CZ941782A CZ282713B6 (cs) | 1992-01-24 | 1993-01-21 | Způsob redukce materiálu obsahujícího oxid kovu v pevné fázi |
BR9305791A BR9305791A (pt) | 1992-01-24 | 1993-01-21 | Processo para reduzir material que contem oxido de metal na fase sólida |
DE69301025T DE69301025T2 (de) | 1992-01-24 | 1993-01-21 | Verfahren zur herstellung eines materials mit metalloxiden in fester phase |
KR1019940702532A KR950700426A (ko) | 1992-01-24 | 1994-07-23 | 고체상태의 산화금속을 함유한 물질을 환원시키는 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI920310A FI92223C (fi) | 1992-01-24 | 1992-01-24 | Menetelmä metallioksidipitoisen aineen pelkistämiseksi kiinteässä olomuodossa |
FI920310 | 1992-01-24 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI920310A0 FI920310A0 (fi) | 1992-01-24 |
FI920310A true FI920310A (fi) | 1993-07-25 |
FI92223B FI92223B (fi) | 1994-06-30 |
FI92223C FI92223C (fi) | 1994-10-10 |
Family
ID=8534187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI920310A FI92223C (fi) | 1992-01-24 | 1992-01-24 | Menetelmä metallioksidipitoisen aineen pelkistämiseksi kiinteässä olomuodossa |
Country Status (13)
Country | Link |
---|---|
US (1) | US5445667A (fi) |
EP (1) | EP0621903B1 (fi) |
JP (1) | JPH07503283A (fi) |
KR (1) | KR950700426A (fi) |
AT (1) | ATE131538T1 (fi) |
AU (1) | AU666163B2 (fi) |
BR (1) | BR9305791A (fi) |
CA (1) | CA2128605A1 (fi) |
CZ (1) | CZ282713B6 (fi) |
DE (1) | DE69301025T2 (fi) |
FI (1) | FI92223C (fi) |
HU (1) | HUT70857A (fi) |
WO (1) | WO1993015232A1 (fi) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2703070B1 (fr) * | 1993-03-26 | 1995-05-05 | Lorraine Laminage | Installation de réduction du minerai de fer utilisant un lit fluidise circulant munie d'un dispositif de réglage du débit de matières solides. |
US5869018A (en) | 1994-01-14 | 1999-02-09 | Iron Carbide Holdings, Ltd. | Two step process for the production of iron carbide from iron oxide |
US5516358A (en) * | 1994-11-17 | 1996-05-14 | Pro-Tech Reclamation, Inc. | Method for the production of iron carbide |
US5690717A (en) * | 1995-03-29 | 1997-11-25 | Iron Carbide Holdings, Ltd. | Iron carbide process |
US5804156A (en) * | 1996-07-19 | 1998-09-08 | Iron Carbide Holdings, Ltd. | Iron carbide process |
DE19748968C1 (de) | 1997-11-06 | 1999-06-10 | Metallgesellschaft Ag | Verfahren zum Erzeugen eines Gemisches aus Eisencarbid und körnigem, direkt reduziertem Eisen |
AU750751B2 (en) | 1998-03-31 | 2002-07-25 | Iron Carbide Holdings, Ltd | Process for the production of iron carbide from iron oxide using external sources of carbon monoxide |
GB9812169D0 (en) | 1998-06-05 | 1998-08-05 | Univ Cambridge Tech | Purification method |
GT200000052A (es) | 1999-01-12 | 2005-08-22 | Reduccion de la capa fludizada de finos de laterita con reduccion de gases generados in situ. | |
US6894243B1 (en) * | 1999-08-31 | 2005-05-17 | United States Postal Service | Identification coder reader and method for reading an identification code from a mailpiece |
DE10101157A1 (de) * | 2001-01-12 | 2002-07-18 | Mg Technologies Ag | Verfahren zum Erzeugen eines Gemisches aus Eisenerz und Schwelkoks |
ATE452213T1 (de) * | 2004-05-31 | 2010-01-15 | Outotec Oyj | Wirbelschichtverfahren zur direktreduktion in einem einzigen wirbelbett |
AU2005248042B2 (en) * | 2004-05-31 | 2011-03-10 | Outotec Oyj | Direct reduction process using a single fluidised bed |
RU2721249C1 (ru) * | 2019-11-29 | 2020-05-18 | Валентин Николаевич Терехов | Состав шихты для выплавки безуглеродистого железа |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU34613A1 (fi) * | 1955-08-31 | |||
US2894831A (en) * | 1956-11-28 | 1959-07-14 | Old Bruce Scott | Process of fluidized bed reduction of iron ore followed by electric furnace melting |
SE384225B (sv) * | 1974-03-08 | 1976-04-26 | Stora Kopparbergs Bergslags Ab | Sett och anordning for reduktion av finfordelat jernoxidhaltigt material |
SE419129B (sv) * | 1979-05-29 | 1981-07-13 | Stora Kopparbergs Bergslags Ab | Anordning for reduktion av finfordelat jernoxidhaltigt material i en cirkulerande flytbedd |
DE3629589A1 (de) * | 1986-08-30 | 1988-03-03 | Krupp Gmbh | Verfahren zur herstellung von eisen aus feinkoernigen eisenerzen |
-
1992
- 1992-01-24 FI FI920310A patent/FI92223C/fi not_active IP Right Cessation
-
1993
- 1993-01-21 JP JP5512951A patent/JPH07503283A/ja active Pending
- 1993-01-21 CA CA002128605A patent/CA2128605A1/en not_active Abandoned
- 1993-01-21 CZ CZ941782A patent/CZ282713B6/cs unknown
- 1993-01-21 AT AT93902275T patent/ATE131538T1/de not_active IP Right Cessation
- 1993-01-21 BR BR9305791A patent/BR9305791A/pt not_active Application Discontinuation
- 1993-01-21 AU AU33542/93A patent/AU666163B2/en not_active Ceased
- 1993-01-21 US US08/256,575 patent/US5445667A/en not_active Expired - Fee Related
- 1993-01-21 HU HU9402093A patent/HUT70857A/hu unknown
- 1993-01-21 EP EP93902275A patent/EP0621903B1/en not_active Expired - Lifetime
- 1993-01-21 DE DE69301025T patent/DE69301025T2/de not_active Expired - Fee Related
- 1993-01-21 WO PCT/FI1993/000020 patent/WO1993015232A1/en active IP Right Grant
-
1994
- 1994-07-23 KR KR1019940702532A patent/KR950700426A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI92223B (fi) | 1994-06-30 |
HUT70857A (en) | 1995-11-28 |
AU3354293A (en) | 1993-09-01 |
JPH07503283A (ja) | 1995-04-06 |
EP0621903B1 (en) | 1995-12-13 |
EP0621903A1 (en) | 1994-11-02 |
DE69301025T2 (de) | 1996-05-30 |
CZ178294A3 (en) | 1995-08-16 |
BR9305791A (pt) | 1997-02-18 |
AU666163B2 (en) | 1996-02-01 |
CZ282713B6 (cs) | 1997-09-17 |
CA2128605A1 (en) | 1993-08-05 |
DE69301025D1 (de) | 1996-01-25 |
HU9402093D0 (en) | 1994-09-28 |
WO1993015232A1 (en) | 1993-08-05 |
FI920310A0 (fi) | 1992-01-24 |
KR950700426A (ko) | 1995-01-16 |
US5445667A (en) | 1995-08-29 |
ATE131538T1 (de) | 1995-12-15 |
FI92223C (fi) | 1994-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI920310A0 (fi) | Menetelmä metallioksidipitoisen aineen pelkistämiseksi kiinteässä olomuodossa | |
SE456599B (sv) | Forbrenningsforfarande | |
US4981111A (en) | Circulating fluidized bed combustion reactor with fly ash recycle | |
GR79825B (fi) | ||
PL308912A1 (en) | Method of and apparatus for starting a circulating fluidized bed system | |
FI952156A (fi) | Menetelmä ja laite lämmön talteenottamiseksi leijukerrosreaktorissa | |
FI932923A0 (fi) | Menetelmä ja laite kuuman kaasuvirran käsittelemiseksi tai hyödyntämiseksi | |
KR0134391B1 (en) | Manufacture of iron and steel in a duplex smelter and solid state oxide suspension prereducer | |
FI104214B1 (fi) | Menetelmä ja laite kiertomassatyyppisen leijukerrosreaktorisysteemin käyttämiseksi | |
JPH0549617B2 (fi) | ||
CZ285991B6 (cs) | Způsob tepelného zpracování odpadového materiálu a zařízení k jeho provádění | |
CA2183786A1 (fr) | Procede et installation de traitement de dechets par sechage, sublimation, oxydation et combustion | |
FI97333C (fi) | Menetelmä polttoprosessin NOx:n vähentämiseksi | |
JPS6245332A (ja) | 流動コ−クス燃料を用いるか焼方法 | |
FI963525A0 (fi) | Menetelmä jätemateriaalin polttamiseksi termistä energiaa talteenottaen | |
ATE191668T1 (de) | Verfahren zur reduktion von metallverbindungen | |
Kazakov et al. | Mathematical modelling of ignition in dusty gases | |
JPS57170823A (en) | Fluidized roasting method and apparatus | |
AU4118299A (en) | Method and apparatus for controlling heat transfer from solid particles in a fluidized bed | |
BR9807427A (pt) | Aparelho de pré-redução do tipo de leito fluidizado geminado-único de duas etapas para pré-reduzir minério de ferro fino, e método para o mesmo | |
JPH09201513A (ja) | 炉内脱硫剤 | |
JPS57130546A (en) | Catalyst for fluidized layer | |
JPH0330649Y2 (fi) | ||
JPH03193115A (ja) | 流動層ボイラにおける高効率脱硫脱硝方法 | |
IL100882A0 (en) | Process and installation for thermal treatment of minerals in powder form |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: A. AHLSTROM CORPORATION |
|
BB | Publication of examined application | ||
MM | Patent lapsed |