AT330223B - Verfahren zur reduktion von metalloxyden - Google Patents

Verfahren zur reduktion von metalloxyden

Info

Publication number: AT330223B
Authority: AT; Austria
Prior art keywords: reduction method; metal oxyde; oxyde; metal; reduction
Prior art date: 1973-10-16

Application number

AT831674A

Other languages

English (en)

Other versions

ATA831674A (de

Original Assignee

Fierro Esponja

Priority date (The priority date 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 date listed.)

1973-10-16

Filing date

1974-10-16

Publication date

1976-06-25

1974-10-16 Application filed by Fierro Esponja filed Critical Fierro Esponja

1975-09-15 Publication of ATA831674A publication Critical patent/ATA831674A/de

1976-06-25 Application granted granted Critical

1976-06-25 Publication of AT330223B publication Critical patent/AT330223B/de

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
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/146—Multi-step reduction without melting
- 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
- Y02P10/20—Recycling

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)

AT831674A 1973-10-16 1974-10-16 Verfahren zur reduktion von metalloxyden AT330223B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US406805A US3890142A (en)	1973-10-16	1973-10-16	Method for gaseous reduction of metal ores

Publications (2)

Publication Number	Publication Date
ATA831674A ATA831674A (de)	1975-09-15
AT330223B true AT330223B (de)	1976-06-25

Family

ID=23609522

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT831674A AT330223B (de)	1973-10-16	1974-10-16	Verfahren zur reduktion von metalloxyden

Country Status (22)

Country	Link
US (1)	US3890142A (de)
JP (1)	JPS5440048B2 (de)
AT (1)	AT330223B (de)
AU (1)	AU470871B2 (de)
BE (1)	BE821074A (de)
BR (1)	BR7408518A (de)
CA (1)	CA1021941A (de)
DE (1)	DE2449319C3 (de)
EG (1)	EG11512A (de)
ES (1)	ES431089A1 (de)
FR (1)	FR2247541B1 (de)
GB (1)	GB1428590A (de)
IL (1)	IL45830A (de)
IN (1)	IN140266B (de)
IT (1)	IT1021795B (de)
LU (1)	LU71122A1 (de)
NL (1)	NL159142B (de)
PH (1)	PH10889A (de)
SE (1)	SE402931B (de)
TR (1)	TR18240A (de)
ZA (1)	ZA74641B (de)
ZM (1)	ZM15474A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2278777A1 (fr) *	1974-05-10	1976-02-13	Creusot Loire	Procede de reduction directe de minerais sur grille continue
US4298190A (en) *	1974-10-18	1981-11-03	Fierro Esponja, S.A.	Apparatus for gaseous reduction of metal ores with cooling loop
AR204299A1 (es) *	1974-10-18	1975-12-10	Fierro Esponja	Aparato y metodo para la reduccion gaseosa de oxidos de metal a temperaturas elevadas
US4046556A (en) *	1976-01-02	1977-09-06	Fierro Esponja, S.A.	Direct gaseous reduction of oxidic metal ores with dual temperature cooling of the reduced product
US4248627A (en) *	1978-05-16	1981-02-03	Trw Inc.	Process for the manufacture and use of high purity carbonaceous reductant from carbon monoxide-containing gas mixtures
FR2456780A1 (fr) *	1979-04-26	1980-12-12	Hylsa Sa	Procede de fabrication de metal spongieux par reduction discontinue d'oxydes metalliques
US4375983A (en) *	1979-04-26	1983-03-08	Hylsa, S.A.	Method of making sponge metal
EP1531926A1 (de) *	2002-07-04	2005-05-25	Shell Internationale Researchmaatschappij B.V.	Reaktorsystem für mehrere parallelgeschaltete reaktoreinheiten
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
PL2296595T3 (pl)	2008-05-15	2019-08-30	Wyeth Llc	Przenośny układ wilgotnego ciepła
WO2015015317A2 (en) *	2013-07-22	2015-02-05	Saudi Basic Industries Corporation	Use of top gas in direct reduction processes

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2900247A (en) *	1957-08-05	1959-08-18	Fierro Espouja Sa	Method of making sponge iron
US3128174A (en) *	1959-06-26	1964-04-07	Fierro Esponja	Method of making sponge iron
US3094410A (en) *	1959-07-31	1963-06-18	Inst Francais Du Petrole	Process for reducing iron ores
US2997383A (en) *	1960-05-24	1961-08-22	Texaco Development Corp	Ore reduction
US3136623A (en) *	1960-11-04	1964-06-09	Pullman Inc	Method for reducing metal oxides
US3136624A (en) *	1961-05-24	1964-06-09	Pullman Inc	Method for reducing metal oxides
US3136625A (en) *	1961-08-22	1964-06-09	Pullman Inc	Method for reducing metal oxides
US3375099A (en) *	1964-06-30	1968-03-26	Armco Steel Corp	Production of iron from pelletized iron ores
US3423201A (en) *	1966-03-18	1969-01-21	Fierro Esponja	Method for producing sponge iron
US3684486A (en) *	1968-12-23	1972-08-15	Swindell Dressler Co Division	Direct reduction of iron ore and the like
GB1347785A (en) *	1970-07-15	1974-02-27	Fierro Esponja	Method of reducing particulate metal ores
US3765872A (en) *	1970-12-16	1973-10-16	Fierro Esponja	Method and apparatus for the gaseous reduction of iron ore to sponge iron
BE789968A (fr) *	1971-10-15	1973-04-12	Fierro Esponja	Procede et appareil de reduction de minerais metalliques en particules en fer spongieux
BE791660A (fr) *	1971-11-22	1973-05-21	Fierro Esponja	Procede et appareil de reduction de minerai divise

1973
- 1973-10-16 US US406805A patent/US3890142A/en not_active Expired - Lifetime
1974
- 1974-10-08 GB GB4358074A patent/GB1428590A/en not_active Expired
- 1974-10-09 ZA ZA00740641*[A patent/ZA74641B/xx unknown
- 1974-10-10 AU AU74189/74A patent/AU470871B2/en not_active Expired
- 1974-10-11 IL IL45830A patent/IL45830A/en unknown
- 1974-10-11 NL NL7413398.A patent/NL159142B/xx not_active IP Right Cessation
- 1974-10-14 BR BR851874A patent/BR7408518A/pt unknown
- 1974-10-14 IT IT5352474A patent/IT1021795B/it active
- 1974-10-15 SE SE7412980A patent/SE402931B/xx unknown
- 1974-10-15 PH PH16421A patent/PH10889A/en unknown
- 1974-10-15 CA CA211,447A patent/CA1021941A/en not_active Expired
- 1974-10-15 BE BE1006229A patent/BE821074A/xx unknown
- 1974-10-15 ZM ZM15474A patent/ZM15474A1/xx unknown
- 1974-10-16 JP JP11915874A patent/JPS5440048B2/ja not_active Expired
- 1974-10-16 ES ES431089A patent/ES431089A1/es not_active Expired
- 1974-10-16 FR FR7434815A patent/FR2247541B1/fr not_active Expired
- 1974-10-16 DE DE2449319A patent/DE2449319C3/de not_active Expired
- 1974-10-16 TR TR1824074A patent/TR18240A/xx unknown
- 1974-10-16 LU LU71122A patent/LU71122A1/xx unknown
- 1974-10-16 AT AT831674A patent/AT330223B/de not_active IP Right Cessation
- 1974-10-20 EG EG46674A patent/EG11512A/xx active
- 1974-11-01 IN IN2396/CAL/74A patent/IN140266B/en unknown

Also Published As

Publication number	Publication date
IT1021795B (it)	1978-02-20
DE2449319B2 (de)	1978-12-07
FR2247541B1 (de)	1977-07-08
IL45830A (en)	1977-03-31
ES431089A1 (es)	1977-01-16
ATA831674A (de)	1975-09-15
US3890142A (en)	1975-06-17
JPS5078512A (de)	1975-06-26
IN140266B (de)	1976-10-09
BR7408518A (pt)	1975-11-04
IL45830A0 (en)	1974-12-31
ZA74641B (en)	1975-11-26
SE7412980L (de)	1975-04-17
EG11512A (en)	1977-08-15
PH10889A (en)	1977-09-30
AU470871B2 (en)	1976-04-01
FR2247541A1 (de)	1975-05-09
BE821074A (fr)	1975-04-15
DE2449319A1 (de)	1975-04-17
GB1428590A (en)	1976-03-17
NL7413398A (nl)	1975-04-18
LU71122A1 (de)	1975-06-24
ZM15474A1 (en)	1976-05-21
AU7418974A (en)	1976-04-01
CA1021941A (en)	1977-12-06
SE402931B (sv)	1978-07-24
DE2449319C3 (de)	1983-12-08
JPS5440048B2 (de)	1979-12-01
TR18240A (tr)	1976-11-05
NL159142B (nl)	1979-01-15

Publication	Publication Date	Title
AT326460B (de)	1975-12-10	Verfahren zur gewinnung von metallschrott
AT330223B (de)	1976-06-25	Verfahren zur reduktion von metalloxyden
AT327132B (de)	1976-01-12	Verfahren zur erdolgewinnung
AT340457B (de)	1977-12-12	Verfahren zur behandlung von metallschmelzen
CH549020A (de)	1974-05-15	Verfahren zur reinigung von lactamen.
AT329283B (de)	1976-05-10	Verfahren zur abscheidung von metallen
DD128949A5 (de)	1977-12-21	Verfahren zur verbesserung der aktivitaet von oxidoreduktase
AT341080B (de)	1978-01-25	Verfahren zur n-entacylierung von 7beta- phenoxyacetamidocephalosporin
CH547286A (de)	1974-03-29	Verfahren zur reinigung von lactamen.
AT327133B (de)	1976-01-12	Verfahren zur erdolgewinnung
AT309837B (de)	1973-09-10	Verfahren zur Aushärtung von Legierungen
CH547805A (de)	1974-04-11	Verfahren zur reinigung von lactamen.
AT339056B (de)	1977-09-26	Verfahren zur ruckgewinnung von metallen
AT322223B (de)	1975-05-12	Verfahren zur vereinigung von metallkomponenten
AT328250B (de)	1976-03-10	Verfahren zur phosphatierung von metallen
AT331608B (de)	1976-08-25	Verfahren zur phosphatierung von metallen
AT333786B (de)	1976-12-10	Verfahren zur reinigung von chlorcyan
AT354652B (de)	1979-01-25	Verfahren zur gewinnung von zearalenon
AT360490B (de)	1981-01-12	Verfahren zur regenerierung von chinonen
CH556202A (de)	1974-11-29	Verfahren zur herstellung von metallteilchen.
AT352916B (de)	1979-10-10	Verfahren zur reinigung von synthetisch her- gestellten calcitoninen
DD122993A5 (de)	1976-11-12	Verfahren zur hydroverkokung von kohleteilchen
AT333785B (de)	1976-12-10	Verfahren zur reinigung von chlorcyan
AT328393B (de)	1976-03-25	Verfahren zur erdolgewinnung
ATA434672A (de)	1975-11-15	Verfahren zur herstellung von gegossenen metallstreifen

Legal Events

Date	Code	Title	Description
1982-06-15	ELJ	Ceased due to non-payment of the annual fee