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WO2005001146A3 - Method for conditioning slags and dust - Google Patents

Method for conditioning slags and dust Download PDF

Info

Publication number
WO2005001146A3
WO2005001146A3 PCT/AT2004/000231 AT2004000231W WO2005001146A3 WO 2005001146 A3 WO2005001146 A3 WO 2005001146A3 AT 2004000231 W AT2004000231 W AT 2004000231W WO 2005001146 A3 WO2005001146 A3 WO 2005001146A3
Authority
WO
WIPO (PCT)
Prior art keywords
slags
conditioning
dust
halides
during
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
PCT/AT2004/000231
Other languages
German (de)
French (fr)
Other versions
WO2005001146A2 (en
Inventor
Alfred Edlinger
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.)
Patco Engineering GmbH
Original Assignee
Patco Engineering GmbH
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 Patco Engineering GmbH filed Critical Patco Engineering GmbH
Publication of WO2005001146A2 publication Critical patent/WO2005001146A2/en
Publication of WO2005001146A3 publication Critical patent/WO2005001146A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B5/00—Treatment of  metallurgical  slag ; Artificial stone from molten  metallurgical  slag 
    • C04B5/06—Ingredients, other than water, added to the molten slag or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous slag
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/32—Aluminous cements
    • C04B7/326—Calcium aluminohalide cements, e.g. based on 11CaO.7Al2O3.CaX2, where X is Cl or F
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • 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
    • C22B7/04—Working-up slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • 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
    • C22B19/00—Obtaining zinc or zinc oxide
    • C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
    • 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
    • C22B7/001—Dry processes
    • C22B7/002—Dry processes by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)
    • 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
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Metallurgy (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Disclosed is a method for conditioning slags and dust accumulated during the production of high-grade steel or during trash incineration. According to said method, the molten slags are treated with H2O vapor such that metal halides are converted into metal oxides and hydrogen halides, and the obtained hydrogen halide is withdrawn. The slags that are conditioned in said manner can be used for producing hydraulically active aggregates for cement, the recovery of optionally contained zinc being substantially facilitated.
PCT/AT2004/000231 2003-06-30 2004-06-30 Method for conditioning slags and dust Ceased WO2005001146A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATA995/2003 2003-06-30
AT9952003 2003-06-30
AT0150603A AT412723B (en) 2003-06-30 2003-09-23 METHOD FOR CONDITIONING SLAGS AND DUST FROM STAINLESS STEEL PRODUCTION
ATA1506/2003 2003-09-23

Publications (2)

Publication Number Publication Date
WO2005001146A2 WO2005001146A2 (en) 2005-01-06
WO2005001146A3 true WO2005001146A3 (en) 2005-07-14

Family

ID=33419149

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2004/000231 Ceased WO2005001146A2 (en) 2003-06-30 2004-06-30 Method for conditioning slags and dust

Country Status (2)

Country Link
AT (1) AT412723B (en)
WO (1) WO2005001146A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017105551A1 (en) * 2017-03-15 2018-09-20 Scholz Austria GmbH Process for the treatment of metallurgical slags
CN113862473A (en) * 2021-08-19 2021-12-31 济源豫光有色冶金设计研究院有限公司 Hydrogen metallurgy fuming zinc extraction method for zinc-containing material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240424A (en) * 1975-09-26 1977-03-29 Toho Aen Kk Process for removing fluorine from zinc sludge containing fluorine
US4673431A (en) * 1986-01-08 1987-06-16 Bricmont & Associates, Inc. Furnace dust recovery process
US4735784A (en) * 1986-07-11 1988-04-05 Morrison-Knudsen Company, Inc. Method of treating fluoride contaminated wastes
WO1997028287A1 (en) * 1996-01-29 1997-08-07 Universite Libre De Bruxelles Method for processing a powdery material, and apparatus therefor
WO2001055459A1 (en) * 2000-01-28 2001-08-02 Holcim Ltd. Method for treating slags or slag mixtures on an iron bath

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE920549C (en) * 1942-07-18 1954-11-25 Maria Amalie Haag Process for the conversion of natural phosphates into citric acid-soluble dense phosphates

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240424A (en) * 1975-09-26 1977-03-29 Toho Aen Kk Process for removing fluorine from zinc sludge containing fluorine
US4673431A (en) * 1986-01-08 1987-06-16 Bricmont & Associates, Inc. Furnace dust recovery process
US4735784A (en) * 1986-07-11 1988-04-05 Morrison-Knudsen Company, Inc. Method of treating fluoride contaminated wastes
WO1997028287A1 (en) * 1996-01-29 1997-08-07 Universite Libre De Bruxelles Method for processing a powdery material, and apparatus therefor
WO2001055459A1 (en) * 2000-01-28 2001-08-02 Holcim Ltd. Method for treating slags or slag mixtures on an iron bath

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 197719, Derwent World Patents Index; Class M25, AN 1977-33539Y, XP002311816 *
YAMAGUCHI S ET AL: "Analysis on the reaction in dust recycling processes", YAZAWA INTERNATIONAL SYMPOSIUM. METALLURGICAL AND MATERIALS PROCESSING: PRINCIPLES AND TECHNOLOGIES TMS WARRENDALE, PA, USA, vol. 3, March 2003 (2003-03-01), pages 173 - 184, XP008040765, ISBN: 0-87339-548-4 *

Also Published As

Publication number Publication date
AT412723B (en) 2005-06-27
WO2005001146A2 (en) 2005-01-06
ATA15062003A (en) 2004-11-15

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