FR2148407A1 - Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone - Google Patents
Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zoneInfo
- Publication number
- FR2148407A1 FR2148407A1 FR7206728A FR7206728A FR2148407A1 FR 2148407 A1 FR2148407 A1 FR 2148407A1 FR 7206728 A FR7206728 A FR 7206728A FR 7206728 A FR7206728 A FR 7206728A FR 2148407 A1 FR2148407 A1 FR 2148407A1
- Authority
- FR
- France
- Prior art keywords
- heating zone
- reducing gas
- deoxidising
- ores
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title abstract 2
- 238000002347 injection Methods 0.000 title 1
- 239000007924 injection Substances 0.000 title 1
- 230000001174 ascending effect Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 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
- C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES394143A ES394143A1 (es) | 1971-08-11 | 1971-08-11 | Perfeccionamientos en procedimientos y dispositivos emplea-dos para la eliminacion del oxigeno presente en los oxidos. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2148407A1 true FR2148407A1 (en) | 1973-03-23 |
| FR2148407B1 FR2148407B1 (OSRAM) | 1976-07-09 |
Family
ID=8458992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7206728A Granted FR2148407A1 (en) | 1971-08-11 | 1972-02-28 | Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone |
Country Status (9)
| Country | Link |
|---|---|
| AU (1) | AU4522572A (OSRAM) |
| BE (1) | BE787056A (OSRAM) |
| BR (1) | BR7205471D0 (OSRAM) |
| DE (1) | DE2156323A1 (OSRAM) |
| ES (1) | ES394143A1 (OSRAM) |
| FR (1) | FR2148407A1 (OSRAM) |
| IT (1) | IT952078B (OSRAM) |
| NL (1) | NL7211003A (OSRAM) |
| ZA (1) | ZA725542B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4053301A (en) * | 1975-10-14 | 1977-10-11 | Hazen Research, Inc. | Process for the direct production of steel |
| IT1097724B (it) * | 1977-11-22 | 1985-08-31 | Kinglor Metor Spa | Perfezionamenti al procedimento carbotermico per l'ottenimento di spugna di ferro e procedimento carbotermico cosi' perfezionato |
-
1971
- 1971-08-11 ES ES394143A patent/ES394143A1/es not_active Expired
- 1971-11-12 DE DE2156323A patent/DE2156323A1/de active Pending
-
1972
- 1972-02-28 FR FR7206728A patent/FR2148407A1/fr active Granted
- 1972-03-02 IT IT48721/72A patent/IT952078B/it active
- 1972-08-01 BE BE787056A patent/BE787056A/xx unknown
- 1972-08-02 AU AU45225/72A patent/AU4522572A/en not_active Expired
- 1972-08-11 BR BR5471/72A patent/BR7205471D0/pt unknown
- 1972-08-11 NL NL7211003A patent/NL7211003A/xx unknown
- 1972-08-11 ZA ZA725542A patent/ZA725542B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU4522572A (en) | 1974-02-07 |
| BR7205471D0 (pt) | 1974-04-18 |
| FR2148407B1 (OSRAM) | 1976-07-09 |
| BE787056A (fr) | 1972-12-01 |
| NL7211003A (OSRAM) | 1973-02-13 |
| DE2156323A1 (de) | 1973-03-29 |
| IT952078B (it) | 1973-07-20 |
| ES394143A1 (es) | 1974-11-16 |
| ZA725542B (en) | 1973-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |