WO2005118893A3 - Method of recycling brazing sheet - Google Patents

Method of recycling brazing sheet Download PDF

Info

Publication number
WO2005118893A3
WO2005118893A3 PCT/US2005/018651 US2005018651W WO2005118893A3 WO 2005118893 A3 WO2005118893 A3 WO 2005118893A3 US 2005018651 W US2005018651 W US 2005018651W WO 2005118893 A3 WO2005118893 A3 WO 2005118893A3
Authority
WO
WIPO (PCT)
Prior art keywords
recycling
brazing sheet
molten alloy
alloys
clad materials
Prior art date
Application number
PCT/US2005/018651
Other languages
French (fr)
Other versions
WO2005118893A2 (en
Inventor
David D Leon
John F Butler Jr
Original Assignee
Alcoa 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
Application filed by Alcoa Inc filed Critical Alcoa Inc
Publication of WO2005118893A2 publication Critical patent/WO2005118893A2/en
Publication of WO2005118893A3 publication Critical patent/WO2005118893A3/en

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
    • C22B21/00—Obtaining aluminium
    • C22B21/0038—Obtaining aluminium by other processes
    • C22B21/0069—Obtaining aluminium by other processes from scrap, skimmings or any secondary source aluminium, e.g. recovery of alloy constituents
    • 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
    • C22B7/004—Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)
    • 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)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The present invention relates to a method of recycling aluminum clad materials. In particular, the method relates to recycling clad materials such as brazing sheet comprised of two or more aluminum alloys, by selective melting of one of the alloys. The feedstock is agitated during heating (5) to allow separation of the molten alloy from the unmelted core (7), and the molten alloy is removed, such as by draining off during the process.
PCT/US2005/018651 2004-05-27 2005-05-27 Method of recycling brazing sheet WO2005118893A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/855,758 2004-05-27
US10/855,758 US20050262967A1 (en) 2004-05-27 2004-05-27 Method of recycling brazing sheet

Publications (2)

Publication Number Publication Date
WO2005118893A2 WO2005118893A2 (en) 2005-12-15
WO2005118893A3 true WO2005118893A3 (en) 2006-08-17

Family

ID=35423743

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/018651 WO2005118893A2 (en) 2004-05-27 2005-05-27 Method of recycling brazing sheet

Country Status (2)

Country Link
US (1) US20050262967A1 (en)
WO (1) WO2005118893A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010060449A1 (en) * 2008-11-28 2010-06-03 Belte Ag Method for recapturing metals or metal alloys from scrap materials
IN2014KN01462A (en) * 2011-12-15 2015-10-23 Advanced Tech Materials
US9228247B2 (en) 2013-09-11 2016-01-05 Antaya Technologies Corporation Solder recovery unit
JP2022520362A (en) 2019-03-13 2022-03-30 ノベリス・インコーポレイテッド Age-hardening and highly moldable aluminum alloys, monolithic sheets made from them and aluminum alloy products containing them

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556500A (en) * 1968-11-18 1971-01-19 Huron Valley Steel Corp Method and apparatus for separating metals from comingled scrap metal
GB2216640A (en) * 1988-03-08 1989-10-11 Conebright Limited Scrap melting furnace
US5294244A (en) * 1993-07-27 1994-03-15 Trw Vehicle Safety Systems Inc. Thermal reclamation method for the recovery of metals from air bag inflators
EP0818547A1 (en) * 1996-07-10 1998-01-14 Autoliv ASP, Inc. Recovery of metals values from air bag inflators
US5849062A (en) * 1994-11-04 1998-12-15 Daicel Chemical Industries, Ltd. Method for recovering metallic materials of gas generator for air bag
WO2002101102A1 (en) * 2001-04-24 2002-12-19 Corus Aluminium Voerde Gmbh Method of recycling metallic coated scrap pieces

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1938046A (en) * 1930-10-06 1933-12-05 American Lurgi Corp Process for separating aluminium alloys
US2041844A (en) * 1934-03-10 1936-05-26 American Smelting Refining Apparatus for separating metals and metal alloys
US3985497A (en) * 1974-11-21 1976-10-12 Melting Systems, Inc. Scrap preheating system
US4086083A (en) * 1977-01-14 1978-04-25 The Glacier Metal Company Limited Recovering material
US4203762A (en) * 1978-12-11 1980-05-20 Federal-Mogul Corporation Process for separating and recovering aluminum and steel from bimetal scrap
US4330090A (en) * 1980-04-14 1982-05-18 The United States Of America As Represented By The Secretary Of The Interior Method for wrought and cast aluminum separation
US4468847A (en) * 1982-08-31 1984-09-04 Aluminum Company Of America Method of segregating metallic components
US4905914A (en) * 1982-11-12 1990-03-06 Aluminum Company Of America Method of segregating metallic components and impurities
US4498523A (en) * 1983-05-12 1985-02-12 Aluminum Company Of America Continuous method for reclaiming, melting and casting aluminum scrap
US4491473A (en) * 1983-11-18 1985-01-01 Aluminum Company Of America Method of operating metallic scrap treating furnace to fragment and segregate metallic components therein
EP0627014B2 (en) * 1992-02-25 2004-06-30 Aga Aktiebolag Recovery of non-ferrous metals from dross
ZA9811641B (en) * 1997-12-19 1999-06-24 Hoogovens Alu Walzprod Gmbh Method of removing a metallic coating layer from scrap metal pieces

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556500A (en) * 1968-11-18 1971-01-19 Huron Valley Steel Corp Method and apparatus for separating metals from comingled scrap metal
GB2216640A (en) * 1988-03-08 1989-10-11 Conebright Limited Scrap melting furnace
US5294244A (en) * 1993-07-27 1994-03-15 Trw Vehicle Safety Systems Inc. Thermal reclamation method for the recovery of metals from air bag inflators
US5849062A (en) * 1994-11-04 1998-12-15 Daicel Chemical Industries, Ltd. Method for recovering metallic materials of gas generator for air bag
EP0818547A1 (en) * 1996-07-10 1998-01-14 Autoliv ASP, Inc. Recovery of metals values from air bag inflators
WO2002101102A1 (en) * 2001-04-24 2002-12-19 Corus Aluminium Voerde Gmbh Method of recycling metallic coated scrap pieces

Also Published As

Publication number Publication date
US20050262967A1 (en) 2005-12-01
WO2005118893A2 (en) 2005-12-15

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