ATE221135T1 - METHOD FOR POLISHING COPPER USING HYDROGEN AND NITROGEN - Google Patents

METHOD FOR POLISHING COPPER USING HYDROGEN AND NITROGEN

Info

Publication number
ATE221135T1
ATE221135T1 AT99119000T AT99119000T ATE221135T1 AT E221135 T1 ATE221135 T1 AT E221135T1 AT 99119000 T AT99119000 T AT 99119000T AT 99119000 T AT99119000 T AT 99119000T AT E221135 T1 ATE221135 T1 AT E221135T1
Authority
AT
Austria
Prior art keywords
hydrogen
nitrogen
polishing copper
copper
poling
Prior art date
Application number
AT99119000T
Other languages
German (de)
Inventor
Karl Fasshauer
Frank Steffner
Hans-Joachim Dauterstedt
Michael Albrecht
Eberhard Wernicke
Original Assignee
Linde Ag
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 Linde Ag filed Critical Linde Ag
Application granted granted Critical
Publication of ATE221135T1 publication Critical patent/ATE221135T1/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
    • C22B15/00—Obtaining copper
    • C22B15/0026—Pyrometallurgy
    • C22B15/0028—Smelting or converting
    • C22B15/0052—Reduction smelting or converting
    • 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
    • C22B15/00—Obtaining copper
    • C22B15/0026—Pyrometallurgy
    • C22B15/006—Pyrometallurgy working up of molten copper, e.g. 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • ing And Chemical Polishing (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

Copper poling process employs a deoxidizing gas mixture of hydrogen and inert gas. Copper poling is carried out using a deoxidizing gas mixture of inert gas (preferably nitrogen) and 35-90 (especially 60-72) volume % hydrogen.
AT99119000T 1998-09-29 1999-09-27 METHOD FOR POLISHING COPPER USING HYDROGEN AND NITROGEN ATE221135T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19844667A DE19844667A1 (en) 1998-09-29 1998-09-29 Process for polishing copper

Publications (1)

Publication Number Publication Date
ATE221135T1 true ATE221135T1 (en) 2002-08-15

Family

ID=7882666

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99119000T ATE221135T1 (en) 1998-09-29 1999-09-27 METHOD FOR POLISHING COPPER USING HYDROGEN AND NITROGEN

Country Status (4)

Country Link
EP (1) EP0992597B1 (en)
AT (1) ATE221135T1 (en)
DE (2) DE19844667A1 (en)
ES (1) ES2180245T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10007441A1 (en) * 2000-02-18 2001-08-23 Linde Gas Ag Poling copper in the molten state comprises feeding a gas mixture of hydrogen, nitrogen and carbon monoxide as gaseous deoxidizing agent into the melt
DE10035593A1 (en) * 2000-07-21 2002-01-31 Norddeutsche Affinerie Reducing oxygen content of copper melt comprises melting copper initially in shaft furnace, and subsequently feeding it to treatment furnace via transporting channel
US8030082B2 (en) 2006-01-13 2011-10-04 Honeywell International Inc. Liquid-particle analysis of metal materials
CN100462455C (en) * 2007-08-24 2009-02-18 云南铜业压铸科技有限公司 Method for smelting pure copper or high-copper alloy raw material
DE102022122729A1 (en) 2022-09-07 2024-03-07 Sms Group Gmbh Device for copper production with improved CO2 balance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1919850B2 (en) * 1969-04-18 1971-08-19 PROCESS FOR DEOXIDATION OF MOLTEN METALS BY USING REFORMING GAS AND DEVICE FOR CARRYING OUT THE PROCESS
US3529956A (en) * 1969-06-03 1970-09-22 Anaconda Co Refining copper
US3844772A (en) * 1973-02-28 1974-10-29 Du Pont Deoxidation of copper
US3987224A (en) * 1975-06-02 1976-10-19 General Electric Company Oxygen control in continuous metal casting system
BE839754A (en) * 1976-03-18 1976-09-20 METHOD AND DEVICE FOR REFINING A METAL BATH
JP2689540B2 (en) * 1988-11-21 1997-12-10 三菱マテリアル株式会社 Method and apparatus for producing low oxygen content copper

Also Published As

Publication number Publication date
DE59902099D1 (en) 2002-08-29
ES2180245T3 (en) 2003-02-01
DE19844667A1 (en) 2000-03-30
EP0992597A1 (en) 2000-04-12
EP0992597B1 (en) 2002-07-24

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