ES2180245T3 - PROCEDURE FOR DEOXIDATING (POLARIZING) COPPER WITH HYDROGEN AND NITROGEN. - Google Patents

PROCEDURE FOR DEOXIDATING (POLARIZING) COPPER WITH HYDROGEN AND NITROGEN.

Info

Publication number
ES2180245T3
ES2180245T3 ES99119000T ES99119000T ES2180245T3 ES 2180245 T3 ES2180245 T3 ES 2180245T3 ES 99119000 T ES99119000 T ES 99119000T ES 99119000 T ES99119000 T ES 99119000T ES 2180245 T3 ES2180245 T3 ES 2180245T3
Authority
ES
Spain
Prior art keywords
copper
hydrogen
nitrogen
deoxidating
polarizing
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.)
Expired - Lifetime
Application number
ES99119000T
Other languages
Spanish (es)
Inventor
Karl Fasshauer
Frank Steffner
Hans-Joachim Dauterstedt
Michael Albrecht
Eberhard Wernicke
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.)
Linde GmbH
Original Assignee
Linde 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 Linde GmbH filed Critical Linde GmbH
Application granted granted Critical
Publication of ES2180245T3 publication Critical patent/ES2180245T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • ing And Chemical Polishing (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Mechanical Treatment Of Semiconductor (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.
ES99119000T 1998-09-29 1999-09-27 PROCEDURE FOR DEOXIDATING (POLARIZING) COPPER WITH HYDROGEN AND NITROGEN. Expired - Lifetime ES2180245T3 (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
ES2180245T3 true ES2180245T3 (en) 2003-02-01

Family

ID=7882666

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99119000T Expired - Lifetime ES2180245T3 (en) 1998-09-29 1999-09-27 PROCEDURE FOR DEOXIDATING (POLARIZING) COPPER WITH 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
EP0992597B1 (en) 2002-07-24
DE59902099D1 (en) 2002-08-29
EP0992597A1 (en) 2000-04-12
DE19844667A1 (en) 2000-03-30
ATE221135T1 (en) 2002-08-15

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