[go: up one dir, main page]

WO2004085686A3 - Method of recovering a metal from a mixture by melt freeze fractionation - Google Patents

Method of recovering a metal from a mixture by melt freeze fractionation Download PDF

Info

Publication number
WO2004085686A3
WO2004085686A3 PCT/NL2004/000202 NL2004000202W WO2004085686A3 WO 2004085686 A3 WO2004085686 A3 WO 2004085686A3 NL 2004000202 W NL2004000202 W NL 2004000202W WO 2004085686 A3 WO2004085686 A3 WO 2004085686A3
Authority
WO
WIPO (PCT)
Prior art keywords
metal
mixture
recovering
melt
cooled surface
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/NL2004/000202
Other languages
French (fr)
Other versions
WO2004085686A2 (en
Inventor
Bedri Drini
Wilhelmus Hieronimus Kool
Pieter Johannes Jansens
Laurens Katgerman
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.)
Technische Universiteit Delft
Original Assignee
Technische Universiteit Delft
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 Technische Universiteit Delft filed Critical Technische Universiteit Delft
Publication of WO2004085686A2 publication Critical patent/WO2004085686A2/en
Publication of WO2004085686A3 publication Critical patent/WO2004085686A3/en
Anticipated expiration legal-status Critical
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
    • C22B21/00—Obtaining aluminium
    • C22B21/06—Obtaining aluminium refining
    • 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)
    • 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (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 invention relates to a method of recovering a metal from a mixture comprising more than one metal. According to the invention, the methods comprises the steps of (a) melting the mixture to produce a melt (1); (b) passing the melt over a cooled surface (2), causing the metal to be recovered to crystallise out on the cooled surface and a desired metal-depleted melt is discharged (3) from the cooled surface. The metal to be recovered from a mixture of metals such as scrap is preferebly selected from aluminium, magnesium, tin, lead, silicon, germanium and gallium.
PCT/NL2004/000202 2003-03-25 2004-03-25 Method of recovering a metal from a mixture by melt freeze fractionation Ceased WO2004085686A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1023009A NL1023009C2 (en) 2003-03-25 2003-03-25 Method for recovering a metal from a mixture.
NL1023009 2003-03-25

Publications (2)

Publication Number Publication Date
WO2004085686A2 WO2004085686A2 (en) 2004-10-07
WO2004085686A3 true WO2004085686A3 (en) 2004-12-02

Family

ID=33095818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2004/000202 Ceased WO2004085686A2 (en) 2003-03-25 2004-03-25 Method of recovering a metal from a mixture by melt freeze fractionation

Country Status (2)

Country Link
NL (1) NL1023009C2 (en)
WO (1) WO2004085686A2 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH168784A (en) * 1933-04-18 1934-04-30 Degussa Process for cleaning molten light metals and their alloys.
GB735043A (en) * 1952-06-16 1955-08-10 Nat Smelting Co Ltd Improvements in or relating to the separation of molten metals by cooling
US4299376A (en) * 1978-12-21 1981-11-10 Sma Shredder-Mull Aufbereitung Schrott Maschinen Abbruch Gmbh Apparatus for the selective separation of non-ferromagnetic metals from a mixture of comminuted metallic scrap
US4529444A (en) * 1983-03-15 1985-07-16 Boliden Aktiebolag Method for separating solutions
DE3420367A1 (en) * 1984-06-01 1985-12-05 IRON Industrieanlagen GmbH, 5800 Hagen Process and apparatus for separating metals in the hot state into solid and liquid constituents
EP0375308A1 (en) * 1988-12-22 1990-06-27 Alcan International Limited Process and apparatus for producing high purity aluminum
NL1009031C2 (en) * 1998-04-29 1999-11-01 Ir Cornelis Hendrik Jacques Va Purifying non ferrous metals, e.g. for recycling waste metals
EP1288319A1 (en) * 2001-09-03 2003-03-05 Corus Technology BV Method for the purification of an aluminium alloy

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH168784A (en) * 1933-04-18 1934-04-30 Degussa Process for cleaning molten light metals and their alloys.
GB735043A (en) * 1952-06-16 1955-08-10 Nat Smelting Co Ltd Improvements in or relating to the separation of molten metals by cooling
US4299376A (en) * 1978-12-21 1981-11-10 Sma Shredder-Mull Aufbereitung Schrott Maschinen Abbruch Gmbh Apparatus for the selective separation of non-ferromagnetic metals from a mixture of comminuted metallic scrap
US4529444A (en) * 1983-03-15 1985-07-16 Boliden Aktiebolag Method for separating solutions
DE3420367A1 (en) * 1984-06-01 1985-12-05 IRON Industrieanlagen GmbH, 5800 Hagen Process and apparatus for separating metals in the hot state into solid and liquid constituents
EP0375308A1 (en) * 1988-12-22 1990-06-27 Alcan International Limited Process and apparatus for producing high purity aluminum
NL1009031C2 (en) * 1998-04-29 1999-11-01 Ir Cornelis Hendrik Jacques Va Purifying non ferrous metals, e.g. for recycling waste metals
EP1288319A1 (en) * 2001-09-03 2003-03-05 Corus Technology BV Method for the purification of an aluminium alloy

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MELIN A E: "METALLRAFFINATION DURCH FRAKTIONIERTE KRISTALLISATION AUS DER SCHMELZE", ERZMETALL, RIEDERER VERLAG GMBH. STUTTGART, DE, vol. 41, no. 10, 1 October 1988 (1988-10-01), pages 522 - 525, XP002037049, ISSN: 0044-2658 *

Also Published As

Publication number Publication date
WO2004085686A2 (en) 2004-10-07
NL1023009C2 (en) 2004-09-30

Similar Documents

Publication Publication Date Title
JP7578754B2 (en) Recycling method and purification of aluminum alloy
WO2007147962A3 (en) Process for recycling aluminium alloy scrap coming from the aeronautical industry
WO2003070994A3 (en) Lead-free tin-silver-copper alloy solder composition
MY156002A (en) Plasma method and apparatus for recovery of precious metals
WO2004112992A3 (en) Method for casting composite ingot
CA2557764A1 (en) Method for removing boron from silicon
WO2002052051A3 (en) Methods of melting titanium and other metals and alloys by plasma arc or electron beam
WO2004030044A3 (en) Methods and systems for purifying elements
WO2005039803A3 (en) Tool for producing cast components, method for producing said tool, and method for producing cast components
TWI265198B (en) The method and equipments for controlling the solidification of alloys in induction melting using cold crucible
WO2007015013A3 (en) Method for recycling scrap containing aluminium-lithium-type alloys
WO2005003398A3 (en) High strength aluminum alloys and process for making the same
CA2491644A1 (en) Method for fractional crystallisation of a molten metal
WO2005005675A3 (en) Method of making in-situ composites comprising amorphous alloys
CA2558104A1 (en) Method for the purification of a molten metal
WO2002097148A3 (en) Aluminum alloys and methods of making the same
WO2004085686A3 (en) Method of recovering a metal from a mixture by melt freeze fractionation
NO20054942D0 (en) Fine-grained niobiomark obtained by ingot metallurgy
CN102586605A (en) Method for recovering aluminum-containing magnesium alloy waste material
JP2003268460A (en) Treatment method for aluminum alloy scrap
WO2005118893A3 (en) Method of recycling brazing sheet
CN112680610A (en) Method for adding instant silicon in aluminum alloy smelting process and aluminum alloy smelting
JP3462617B2 (en) Purification method of Al or Al alloy
WO2002042501A3 (en) Metal jacket for aluminium ingot which is used as deoxidising agent for steel
WO2024112486A3 (en) Selective removal of impurities from molten aluminum

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DPEN Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101)
122 Ep: pct application non-entry in european phase