NL157351B - METHOD OF TREATING GRAINY IRON ORE. - Google Patents

METHOD OF TREATING GRAINY IRON ORE.

Info

Publication number
NL157351B
NL157351B NL7109764.A NL7109764A NL157351B NL 157351 B NL157351 B NL 157351B NL 7109764 A NL7109764 A NL 7109764A NL 157351 B NL157351 B NL 157351B
Authority
NL
Netherlands
Prior art keywords
grainy
treating
iron ore
ore
iron
Prior art date
Application number
NL7109764.A
Other languages
Dutch (nl)
Other versions
NL7109764A (en
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.)
Filing date
Publication date
Application filed by Fierro Esponja filed Critical Fierro Esponja
Publication of NL7109764A publication Critical patent/NL7109764A/xx
Publication of NL157351B publication Critical patent/NL157351B/en

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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • 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
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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

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)
NL7109764.A 1970-07-15 1971-07-15 METHOD OF TREATING GRAINY IRON ORE. NL157351B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5516170A 1970-07-15 1970-07-15
US9861270A 1970-12-16 1970-12-16

Publications (2)

Publication Number Publication Date
NL7109764A NL7109764A (en) 1972-01-18
NL157351B true NL157351B (en) 1978-07-17

Family

ID=26733913

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7109764.A NL157351B (en) 1970-07-15 1971-07-15 METHOD OF TREATING GRAINY IRON ORE.

Country Status (13)

Country Link
JP (1) JPS5126884B1 (en)
AR (1) AR202079A1 (en)
AU (1) AU453409B2 (en)
BE (1) BE769976A (en)
CA (1) CA949319A (en)
DE (1) DE2134959C3 (en)
ES (1) ES393256A1 (en)
FR (1) FR2098429B1 (en)
GB (1) GB1347785A (en)
IL (1) IL37227A (en)
IT (1) IT944683B (en)
LU (1) LU63538A1 (en)
NL (1) NL157351B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890142A (en) * 1973-10-16 1975-06-17 Fierro Esponja Method for gaseous reduction of metal ores
AU496945B2 (en) * 1975-05-19 1978-11-16 Midrex International B.V. Rotterdam Producing metallized product
US4224057A (en) * 1979-08-20 1980-09-23 Hylsa, S.A. Method for carburizing sponge iron
US4338123A (en) * 1981-02-23 1982-07-06 Hylsa, S.A. Method and apparatus for the reduction of metal ores
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
CA2090906A1 (en) * 1992-03-05 1993-09-06 Corporacion Venezolana De Guayana (Cvg) Method for improving quality of reforming gas used in the direct reduction of metal oxides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966459C (en) * 1952-06-29 1957-08-08 Paul Hahnel Dr Ing Process for the oxidizing and reducing treatment of oxidic ores in shaft furnaces

Also Published As

Publication number Publication date
JPS5126884B1 (en) 1976-08-09
GB1347785A (en) 1974-02-27
IT944683B (en) 1973-04-20
LU63538A1 (en) 1972-04-04
NL7109764A (en) 1972-01-18
CA949319A (en) 1974-06-18
ES393256A1 (en) 1974-10-01
DE2134959A1 (en) 1972-01-27
AU3114471A (en) 1973-01-18
DE2134959C3 (en) 1979-04-26
IL37227A (en) 1974-06-30
FR2098429A1 (en) 1972-03-10
AU453409B2 (en) 1974-10-03
DE2134959B2 (en) 1978-09-07
AR202079A1 (en) 1975-05-15
FR2098429B1 (en) 1978-09-29
BE769976A (en) 1972-01-14
IL37227A0 (en) 1971-10-20

Similar Documents

Publication Publication Date Title
NL171420B (en) METHOD FOR FORMING CONNECTIONS BETWEEN METALS
NL148950B (en) METHOD OF TREATING A PHOSPHATED METAL SURFACE.
NL7505886A (en) METHOD OF TREATING AN UNDERMATERIAL.
NL166545C (en) METHOD FOR QUANTITATIVE DETERMINATION OF TRIGLYCERIDES
NL164838B (en) METHOD FOR DISPROPORTING OLEGINS.
NL151684B (en) METHOD AND DEVICE FOR THE MANUFACTURE OF FLOATING GLASS.
NL158850B (en) PROCESS FOR REDUCING PARTICLES OF METAL ORE.
NL174953C (en) METHOD FOR HYDROPHOBICIZING METAL OR SILICON OXIDES
NL145495B (en) METHOD OF COVERING METAL.
NL157351B (en) METHOD OF TREATING GRAINY IRON ORE.
NL147466B (en) METHOD OF TREATING PIGMENTS.
NL142152B (en) METHOD OF PREPARING ADIPONITRILE.
NL154207B (en) METHOD OF PREPARING AZINES.
NL147121B (en) METHOD OF HYDRATION OF ALKINS.
NL157056B (en) METHOD FOR REDUCING IRON ORE IN A HIGH OVEN.
NL140903B (en) METHOD OF TREATING THE SURFACE OF STEEL STRAP.
NL171692C (en) METHOD AND APPARATUS FOR THE FORMATION OF CHLOROPHYDRATE
NL160182B (en) METHOD OF PULLING VERY FINE WIRE.
NL148027B (en) METHOD OF DISPROPORTING ALKHICO UNSATURATED CONNECTIONS.
NL152742B (en) METHOD OF TREATMENT OF SOIL SEPARATED SOIL.
BE779699R (en) METHOD OF ACTIVATING
NL144989B (en) PROCEDURE FOR REMOVING TINS OF IRON CAN.
NL146777B (en) METHOD OF DISPROPORTING TOLUENE.
NL154436B (en) METHOD OF PASSIVING IRON.
NL165801C (en) METHOD FOR DIRECTION AND APPLICATION OF MARKS

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