IL69542A - Tungsten recovery from tungsten carbide - Google Patents
Tungsten recovery from tungsten carbideInfo
- Publication number
- IL69542A IL69542A IL6954283A IL6954283A IL69542A IL 69542 A IL69542 A IL 69542A IL 6954283 A IL6954283 A IL 6954283A IL 6954283 A IL6954283 A IL 6954283A IL 69542 A IL69542 A IL 69542A
- Authority
- IL
- Israel
- Prior art keywords
- tungsten
- moles
- per mole
- hydrogen peroxide
- recovery
- Prior art date
Links
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title abstract 6
- 229910052721 tungsten Inorganic materials 0.000 title abstract 6
- 239000010937 tungsten Substances 0.000 title abstract 6
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 4
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 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
- 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
-
- 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
-
- 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)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8225261 | 1982-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL69542A0 IL69542A0 (en) | 1983-11-30 |
| IL69542A true IL69542A (en) | 1987-01-30 |
Family
ID=10532699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL6954283A IL69542A (en) | 1982-09-04 | 1983-08-22 | Tungsten recovery from tungsten carbide |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4533527A (de) |
| EP (1) | EP0106456B1 (de) |
| JP (1) | JPS5967329A (de) |
| AT (1) | ATE20542T1 (de) |
| DE (1) | DE3364269D1 (de) |
| IL (1) | IL69542A (de) |
| ZA (1) | ZA836378B (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0610091B2 (ja) * | 1984-05-25 | 1994-02-09 | 株式会社日立製作所 | ヘテロポリ酸及びそれを乾固させて得られる膜を有するエレクトロクロミック表示素子 |
| EP0197271B1 (de) * | 1985-03-04 | 1989-04-19 | Kabushiki Kaisha Toshiba | Verfahren zur Herstellung hochreiner Molybdän- oder Wolframpulver in Form ihrer Metalle oder Oxide |
| GB8508334D0 (en) * | 1985-03-29 | 1985-05-09 | Interox Chemicals Ltd | Tungsten recovery |
| GB8508335D0 (en) * | 1985-03-29 | 1985-05-09 | Interox Chemicals Ltd | Tungsten recovery |
| US5061599A (en) * | 1986-06-11 | 1991-10-29 | Hitachi, Ltd. | Radiation sensitive materials |
| US4910000A (en) * | 1986-06-25 | 1990-03-20 | The University Of Melbourne | Method of extracting tungsten values from tungsten containing ores |
| JPH0738042B2 (ja) * | 1986-09-08 | 1995-04-26 | 株式会社日立製作所 | 微小光学部品材料 |
| IL121475A0 (en) * | 1997-08-05 | 1998-02-08 | Kopylov Nely | Method of disintegrating sintered carbide without coating and refining of recovered carbide powder |
| US6395241B1 (en) | 2000-11-03 | 2002-05-28 | Om Group, Inc. | Process for recovering the carbide metal from metal carbide scrap |
| JP2013508551A (ja) * | 2009-10-26 | 2013-03-07 | ミンプロ アクチエボラグ | タングステンカーバイドの再利用 |
| CN115282272A (zh) * | 2022-07-18 | 2022-11-04 | 东北林业大学 | 一种基于纳米碳化钨的多酸纳米粒子及其制备方法和应用 |
| CN118880042B (zh) * | 2024-07-29 | 2025-09-30 | 厦门钨业股份有限公司 | 一种湿法回收含钨废料中钨的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2485175A (en) * | 1945-06-07 | 1949-10-18 | Trapp George Joseph | Method of recovering hard metal carbides from sintered masses |
| US2704240A (en) * | 1951-10-23 | 1955-03-15 | American Brake Shoe Co | Process of preparing tungstic oxide from sintered masses containing tungsten carbide |
| US3438730A (en) * | 1966-11-14 | 1969-04-15 | Warren M Shwayder | Method of disintegrating sintered hard carbide masses |
| BE786723A (de) * | 1971-08-05 | 1973-01-26 | Cipel | |
| JPS5410273B2 (de) * | 1973-06-28 | 1979-05-02 | ||
| JPS5423643A (en) * | 1977-07-22 | 1979-02-22 | Aikawa Tekko | Doctor blade stablizing apparatus |
| US4406866A (en) * | 1982-09-20 | 1983-09-27 | Gte Products Corporation | Recovery of refractory metal values from scrap cemented carbide |
-
1983
- 1983-08-17 US US06/523,956 patent/US4533527A/en not_active Expired - Fee Related
- 1983-08-22 IL IL6954283A patent/IL69542A/xx not_active IP Right Cessation
- 1983-08-22 DE DE8383304822T patent/DE3364269D1/de not_active Expired
- 1983-08-22 EP EP19830304822 patent/EP0106456B1/de not_active Expired
- 1983-08-22 AT AT83304822T patent/ATE20542T1/de not_active IP Right Cessation
- 1983-08-29 ZA ZA836378A patent/ZA836378B/xx unknown
- 1983-09-05 JP JP58163094A patent/JPS5967329A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3364269D1 (en) | 1986-07-31 |
| EP0106456B1 (de) | 1986-06-25 |
| ZA836378B (en) | 1984-04-25 |
| EP0106456A1 (de) | 1984-04-25 |
| IL69542A0 (en) | 1983-11-30 |
| US4533527A (en) | 1985-08-06 |
| JPS5967329A (ja) | 1984-04-17 |
| ATE20542T1 (de) | 1986-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RH | Patent void |