EP0831984A4 - Process for recovering iron from iron-rich material - Google Patents

Process for recovering iron from iron-rich material

Info

Publication number
EP0831984A4
EP0831984A4 EP96905442A EP96905442A EP0831984A4 EP 0831984 A4 EP0831984 A4 EP 0831984A4 EP 96905442 A EP96905442 A EP 96905442A EP 96905442 A EP96905442 A EP 96905442A EP 0831984 A4 EP0831984 A4 EP 0831984A4
Authority
EP
European Patent Office
Prior art keywords
iron
rich material
recovering
recovering iron
rich
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.)
Ceased
Application number
EP96905442A
Other languages
German (de)
French (fr)
Other versions
EP0831984A1 (en
Inventor
George W Ford Jr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boral Industries Inc
Original Assignee
Covol Technologies Inc
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
Priority claimed from US08/468,104 external-priority patent/US5589118A/en
Application filed by Covol Technologies Inc filed Critical Covol Technologies Inc
Publication of EP0831984A1 publication Critical patent/EP0831984A1/en
Publication of EP0831984A4 publication Critical patent/EP0831984A4/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/08—Making granules by agglomerating smaller particles
    • 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
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/007—Conditions of the cokes or characterised by the cokes used
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/02—Working-up flue dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • 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)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
EP96905442A 1995-06-06 1996-02-08 Process for recovering iron from iron-rich material Ceased EP0831984A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/468,104 US5589118A (en) 1994-01-21 1995-06-06 Process for recovering iron from iron-containing material
US468104 1995-06-06
US54697595A 1995-10-23 1995-10-23
US546975 1995-10-23
PCT/US1996/001798 WO1996039290A1 (en) 1995-06-06 1996-02-08 Process for recovering iron from iron-rich material

Publications (2)

Publication Number Publication Date
EP0831984A1 EP0831984A1 (en) 1998-04-01
EP0831984A4 true EP0831984A4 (en) 1998-09-09

Family

ID=27042285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96905442A Ceased EP0831984A4 (en) 1995-06-06 1996-02-08 Process for recovering iron from iron-rich material

Country Status (11)

Country Link
EP (1) EP0831984A4 (en)
JP (1) JPH11506168A (en)
KR (1) KR19990022152A (en)
AU (1) AU703815B2 (en)
BR (1) BR9608411A (en)
CA (1) CA2223044A1 (en)
HU (1) HUP9801753A2 (en)
NZ (1) NZ303005A (en)
PL (1) PL323625A1 (en)
TR (1) TR199701542T1 (en)
WO (1) WO1996039290A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1304374B1 (en) * 1998-05-27 2001-03-15 Gloster Nv METHOD FOR THE RECYCLING OF POWDERS DERIVING FROM STEEL PROCESSING PROCESSES OR SIMILAR THROUGH THE MANUFACTURE OF
FR2930265B1 (en) 2008-11-21 2012-04-06 Snf Sas PROCESS FOR THE AGGLOMERATION OF INDUSTRIAL DUST, IN PARTICULAR BY A BRIQUETTING TECHNIQUE
IN2014DN10331A (en) * 2012-05-23 2015-08-07 Vale Sa
CN106544499B (en) * 2015-09-17 2018-07-24 攀钢冶金材料有限责任公司 A kind of composite assistant and its preparation method and application
RU2609884C1 (en) * 2016-02-18 2017-02-06 Александр Николаевич Шаруда Extrusion briquette for steel production
GB202103972D0 (en) * 2021-03-22 2021-05-05 Binding Solutions Ltd Pellet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836343A (en) * 1972-03-15 1974-09-17 Bergwerksverband Gmbh Briquette and process for making the same
US3893847A (en) * 1970-08-07 1975-07-08 Catoleum Pty Ltd Composition of matter and process
EP0053921A2 (en) * 1980-12-08 1982-06-16 Revertex (South Africa) (Proprietary) Limited Aggregates
SU1730123A1 (en) * 1988-08-05 1992-04-30 Украинский научно-исследовательский углехимический институт Binder for hot briquetting of coal
WO1995020022A1 (en) * 1994-01-21 1995-07-27 Covol Technologies, Inc. Utilizing discarded carbon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648647A (en) * 1951-05-28 1953-08-11 Dow Chemical Co Polymerizing acrylonitrile in aqueous mixed salts
US3898076A (en) * 1972-10-19 1975-08-05 Robert L Ranke Sealing and briquetting finely divided material with vinyl copolymer and wax
DE2927249A1 (en) * 1978-07-07 1980-01-17 Sinloihi Co Ltd FINE SPHERICAL POLYMER PARTICLES CONTAINING AN INORGANIC PIGMENT AND / OR A BLACK COLORANT, AND METHOD FOR THE PRODUCTION THEREOF
US5147452A (en) * 1991-04-24 1992-09-15 Betz Laboratories, Inc. Method of agglomerating mineral ore concentrate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893847A (en) * 1970-08-07 1975-07-08 Catoleum Pty Ltd Composition of matter and process
US3836343A (en) * 1972-03-15 1974-09-17 Bergwerksverband Gmbh Briquette and process for making the same
EP0053921A2 (en) * 1980-12-08 1982-06-16 Revertex (South Africa) (Proprietary) Limited Aggregates
SU1730123A1 (en) * 1988-08-05 1992-04-30 Украинский научно-исследовательский углехимический институт Binder for hot briquetting of coal
WO1995020022A1 (en) * 1994-01-21 1995-07-27 Covol Technologies, Inc. Utilizing discarded carbon

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 16, 1993 Derwent World Patents Index; Class C10, AN 93-132057, XP002070269 *
See also references of WO9639290A1 *

Also Published As

Publication number Publication date
AU4920096A (en) 1996-12-24
JPH11506168A (en) 1999-06-02
CA2223044A1 (en) 1996-12-12
NZ303005A (en) 1998-11-25
PL323625A1 (en) 1998-04-14
TR199701542T1 (en) 1998-02-21
AU703815B2 (en) 1999-04-01
KR19990022152A (en) 1999-03-25
BR9608411A (en) 1998-12-29
WO1996039290A1 (en) 1996-12-12
HUP9801753A2 (en) 1998-11-30
EP0831984A1 (en) 1998-04-01

Similar Documents

Publication Publication Date Title
IL122723A0 (en) Production method for metallic iron
HUP9601211A2 (en) Process for recovering polyester polymer
GR3030943T3 (en) Process for recovering scandium from nickel-containing oxide ore
ZA955177B (en) Process for the direct reduction of iron-oxide-containing material
ZA963531B (en) Process for recovering metals from iron oxide bearing masses
EP0855937A4 (en) Ferrous material recovery system
AU3721995A (en) Process for recovering copper from copper-containing material
CZ90595A3 (en) Process for producing iron melt
ZA966697B (en) A process for reducing iron oxides
EP0831984A4 (en) Process for recovering iron from iron-rich material
ZA979929B (en) Process for producing sponge iron by direct reduction of iron-oxide-containing material.
SG67349A1 (en) Process for the hydroxycarbonylation of butadiene
IL122454A (en) Process for forming bubble-pack
AU733396C (en) A method for producing liquid pig iron or steel preproducts from iron-containing material
ZA976927B (en) Process for making pig iron.
EP0726233A3 (en) Process for recycling of refractory material
AU690800B2 (en) Improved iron carbide process
EG20795A (en) Process for removing unwanted material from wanted material
ZA955179B (en) Process for the direct reduction of iron-oxide-containing material
EP0799899A4 (en) Chromium ore smelting reduction process
GB2297559B (en) Smelting process
TT4095B (en) Improved iron carbide process
EP0941301A4 (en) A process for agglomerating detergent powders
EG21202A (en) Process for the direct reduction of iron oxide-containing material
ZA968753B (en) Metallurgical dust recycle process

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19971127

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

Effective date: 19980723

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 19990212

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20000312