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
Links
- 238000000184 acid digestion Methods 0.000 title 1
- 239000010941 cobalt Substances 0.000 title 1
- 229910017052 cobalt Inorganic materials 0.000 title 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title 1
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)
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 (xx) |
EP (1) | EP0819771A1 (xx) |
JP (1) | JPH10183265A (xx) |
KR (1) | KR980009117A (xx) |
CA (1) | CA2209271A1 (xx) |
MX (1) | MX9705395A (xx) |
ZA (1) | ZA975911B (xx) |
Families Citing this family (18)
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 |
ES2599369T3 (es) * | 2010-05-18 | 2017-02-01 | Metasphere Technology Ab | Polvo esférico y su preparación |
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 |
DE112014005310B4 (de) | 2013-11-21 | 2022-11-24 | Kennametal Inc. | Verfahren für die Aufbereitung von Wolframcarbidzusammensetzungen |
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 |
AU2019227094B2 (en) | 2018-03-01 | 2024-07-25 | Aurum Integra Inc. | Method for selectively oxidizing metals of an alloy |
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)
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 |
WO1991007244A1 (en) * | 1989-11-09 | 1991-05-30 | Procedyne Corp. | Spray conversion process for the production of nanophase composite powders |
US5230729A (en) * | 1989-11-09 | 1993-07-27 | Rutgers, The State University Of New Jersey | Carbothermic reaction process for making nanophase WC-Co 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 |
-
1996
- 1996-07-17 US US08/690,148 patent/US5728197A/en not_active Expired - Fee Related
-
1997
- 1997-06-30 CA CA 2209271 patent/CA2209271A1/en not_active Abandoned
- 1997-07-02 ZA ZA9705911A patent/ZA975911B/xx unknown
- 1997-07-09 KR KR1019970031633A patent/KR980009117A/ko not_active Application Discontinuation
- 1997-07-15 EP EP19970305245 patent/EP0819771A1/en not_active Withdrawn
- 1997-07-16 MX MX9705395A patent/MX9705395A/es not_active Application Discontinuation
- 1997-07-16 JP JP19103097A patent/JPH10183265A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR980009117A (ko) | 1998-04-30 |
EP0819771A1 (en) | 1998-01-21 |
US5728197A (en) | 1998-03-17 |
JPH10183265A (ja) | 1998-07-14 |
CA2209271A1 (en) | 1998-01-17 |
MX9705395A (es) | 1998-04-30 |
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