ZA975911B - Reclamation process for tungsten carbide/cobalt using acid digestion. - Google Patents

Reclamation process for tungsten carbide/cobalt using acid digestion.

Info

Publication number
ZA975911B
ZA975911B ZA9705911A ZA975911A ZA975911B ZA 975911 B ZA975911 B ZA 975911B ZA 9705911 A ZA9705911 A ZA 9705911A ZA 975911 A ZA975911 A ZA 975911A ZA 975911 B ZA975911 B ZA 975911B
Authority
ZA
South Africa
Prior art keywords
cobalt
tungsten carbide
acid digestion
reclamation process
reclamation
Prior art date
Application number
ZA9705911A
Other languages
English (en)
Inventor
Pumesh Seegopaul
Li Wu
Original Assignee
Nanodyne 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 Nanodyne Inc filed Critical Nanodyne Inc
Publication of ZA975911B publication Critical patent/ZA975911B/xx

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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/005—Preliminary treatment of scrap
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/36—Obtaining tungsten
    • C22B34/365—Obtaining tungsten from spent catalysts
    • 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
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/04—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/08—Halides
    • C01G51/085—Chlorides
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
ZA9705911A 1996-07-17 1997-07-02 Reclamation process for tungsten carbide/cobalt using acid digestion. ZA975911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/690,148 US5728197A (en) 1996-07-17 1996-07-17 Reclamation process for tungsten carbide/cobalt using acid digestion

Publications (1)

Publication Number Publication Date
ZA975911B true ZA975911B (en) 1998-02-02

Family

ID=24771290

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9705911A ZA975911B (en) 1996-07-17 1997-07-02 Reclamation process for tungsten carbide/cobalt using acid digestion.

Country Status (7)

Country Link
US (1) US5728197A (de)
EP (1) EP0819771A1 (de)
JP (1) JPH10183265A (de)
KR (1) KR980009117A (de)
CA (1) CA2209271A1 (de)
MX (1) MX9705395A (de)
ZA (1) ZA975911B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000024552A (ko) * 2000-02-21 2000-05-06 박영효 텅스텐산화물의 열처리에 의한 특성 개선방법
US6524366B1 (en) * 2000-09-22 2003-02-25 N.V. Union Miniere S.A. Method of forming nanograin tungsten carbide and recycling tungsten carbide
JP4691241B2 (ja) * 2000-09-29 2011-06-01 ソニー株式会社 高純度コバルトの製造方法および塩化コバルトの精製方法
US6428596B1 (en) 2000-11-13 2002-08-06 Concept Alloys, L.L.C. Multiplex composite powder used in a core for thermal spraying and welding, its method of manufacture and use
US6674047B1 (en) 2000-11-13 2004-01-06 Concept Alloys, L.L.C. Wire electrode with core of multiplex composite powder, its method of manufacture and use
US6513728B1 (en) 2000-11-13 2003-02-04 Concept Alloys, L.L.C. Thermal spray apparatus and method having a wire electrode with core of multiplex composite powder its method of manufacture and use
US20020172641A1 (en) 2001-03-26 2002-11-21 N.V. Union Miniere S.A. Method of using molybdenum carbide catalyst
US7604784B2 (en) 2005-06-24 2009-10-20 Metals Recovery Technology Inc. Process for the extraction of specific transition metals with gaseous HCL
JP5522712B2 (ja) * 2008-08-25 2014-06-18 公立大学法人兵庫県立大学 遷移金属内包タングステン炭化物、タングステン炭化物分散超硬合金及びそれらの製造方法
CN105731462B (zh) * 2010-05-18 2021-01-12 赫格纳斯公司 球状粉末及其制备方法
KR101239861B1 (ko) 2010-11-23 2013-03-06 한국지질자원연구원 초경합금 스크랩으로부터 텅스텐 및 코발트 회수방법
KR101431706B1 (ko) * 2011-12-23 2014-08-21 희성금속 주식회사 폐초경 스크랩 재활용을 통한 텅스텐 화합물 및 코발트 화합물의 제조 방법
SE540566C2 (en) 2013-11-21 2018-10-02 Kennametal Inc Purification of tungsten carbide compositions
KR101709487B1 (ko) * 2015-08-07 2017-02-23 한국지질자원연구원 하드 텅스텐 카바이드(wc) 스크랩의 파쇄 방법
US10940538B2 (en) 2017-08-11 2021-03-09 Kennametal Inc. Grade powders and sintered cemented carbide compositions
EP3759256A4 (de) 2018-03-01 2022-03-02 Aurum Integra Inc Verfahren zur selektiven oxidation von metallen einer legierung
CN109536719B (zh) * 2018-12-12 2021-05-14 株洲金韦硬质合金有限公司 一种再生wc的后处理方法及其应用
CN115386733B (zh) * 2022-09-16 2024-04-19 江西理工大学 一种利用硝-硫混合酸分解回收含钨废料的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887680A (en) * 1973-10-23 1975-06-03 Gte Sylvania Inc Process for recovering tungsten from tungsten carbides containing an iron group of metals
US3953194A (en) * 1975-06-20 1976-04-27 Allegheny Ludlum Industries, Inc. Process for reclaiming cemented metal carbide
JPS5854178B2 (ja) * 1976-04-02 1983-12-03 東ソー株式会社 有価金属成分の分離回収方法
US4343774A (en) * 1979-08-20 1982-08-10 Union Oil Company Of California Method for recovering valuable metals from deactivated catalysts
US4320094A (en) * 1980-04-15 1982-03-16 Cabot Corporation Partitioning of refractory metals from oxidation resistant scrap alloy
JPS60195024A (ja) * 1984-03-15 1985-10-03 Sumitomo Metal Mining Co Ltd 水酸化コバルトの製造方法
US4851041A (en) * 1987-05-22 1989-07-25 Exxon Research And Engineering Company Multiphase composite particle
US4840776A (en) * 1987-10-13 1989-06-20 Gte Products Corporation Method for removing sodium and ammonia from cobalt
US4798708A (en) * 1988-02-16 1989-01-17 Gte Products Corporation Process for recovering chromium and other metal values from chromium bearing material
US5230729A (en) * 1989-11-09 1993-07-27 Rutgers, The State University Of New Jersey Carbothermic reaction process for making nanophase WC-Co powders
WO1991007244A1 (en) * 1989-11-09 1991-05-30 Procedyne Corp. Spray conversion process for the production of nanophase composite powders
US5417945A (en) * 1990-08-22 1995-05-23 Gte Products Corporation Process for recovering tungsten as an ammoniacal tungstate compound in which ammoniacal tungstate liquors are reclaimed
RU2025519C1 (ru) * 1992-09-30 1994-12-30 Общество с ограниченной ответственностью "Юнисерв" Способ переработки отходов твердосплавного материала
NL9301133A (nl) * 1993-06-29 1995-01-16 Tno Werkwijze voor het winnen van metalen uit katalysatoren op basis van A1êOë.
IT1276314B1 (it) * 1994-02-07 1997-10-28 Novamont Spa Procedimento per il recupero ed il riutilizzo del cobalto e del tungsteno dalle acque di reazione
US5613998A (en) * 1995-05-23 1997-03-25 Nanodyne Incorporated Reclamation process for tungsten carbide and tungsten-based materials

Also Published As

Publication number Publication date
MX9705395A (es) 1998-04-30
EP0819771A1 (de) 1998-01-21
JPH10183265A (ja) 1998-07-14
KR980009117A (ko) 1998-04-30
CA2209271A1 (en) 1998-01-17
US5728197A (en) 1998-03-17

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