IL78310A - Tungsten recovery from scrap alloys - Google Patents
Tungsten recovery from scrap alloysInfo
- Publication number
- IL78310A IL78310A IL7831086A IL7831086A IL78310A IL 78310 A IL78310 A IL 78310A IL 7831086 A IL7831086 A IL 7831086A IL 7831086 A IL7831086 A IL 7831086A IL 78310 A IL78310 A IL 78310A
- Authority
- IL
- Israel
- Prior art keywords
- tungsten
- promoter
- hydrogen peroxide
- promoters
- blocks
- 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
- 229910045601 alloy Inorganic materials 0.000 title 1
- 239000000956 alloy Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 6
- 238000000605 extraction Methods 0.000 abstract 2
- LODHFNUFVRVKTH-ZHACJKMWSA-N 2-hydroxy-n'-[(e)-3-phenylprop-2-enoyl]benzohydrazide Chemical compound OC1=CC=CC=C1C(=O)NNC(=O)\C=C\C1=CC=CC=C1 LODHFNUFVRVKTH-ZHACJKMWSA-N 0.000 abstract 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Natural products OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003929 acidic solution Substances 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- -1 amino substituted aromatic carboxylic acids Chemical class 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 229960004889 salicylic acid Drugs 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000243 solution 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
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/16—Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
- C22B3/1608—Leaching with acyclic or carbocyclic agents
- C22B3/1616—Leaching with acyclic or carbocyclic agents of a single type
- C22B3/165—Leaching with acyclic or carbocyclic agents of a single type with organic acids
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Powder Metallurgy (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8508334A GB8508334D0 (en) | 1985-03-29 | 1985-03-29 | Tungsten recovery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL78310A0 IL78310A0 (en) | 1986-07-31 |
| IL78310A true IL78310A (en) | 1989-09-28 |
Family
ID=10576933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL7831086A IL78310A (en) | 1985-03-29 | 1986-03-28 | Tungsten recovery from scrap alloys |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4784687A (de) |
| EP (1) | EP0200318B1 (de) |
| JP (1) | JPH0712931B2 (de) |
| AT (1) | ATE54676T1 (de) |
| AU (1) | AU583103B2 (de) |
| BR (1) | BR8601398A (de) |
| CA (1) | CA1281552C (de) |
| DE (1) | DE3672666D1 (de) |
| ES (1) | ES8800366A1 (de) |
| GB (1) | GB8508334D0 (de) |
| IL (1) | IL78310A (de) |
| ZA (1) | ZA862232B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8508335D0 (en) * | 1985-03-29 | 1985-05-09 | Interox Chemicals Ltd | Tungsten recovery |
| WO1988000249A1 (en) * | 1986-06-25 | 1988-01-14 | The University Of Melbourne | Tungsten extraction from ore |
| US11397171B2 (en) * | 2017-09-18 | 2022-07-26 | Ecolab Usa Inc. | Adaptive range flow titration systems and methods with sample conditioning |
| US11397170B2 (en) * | 2018-04-16 | 2022-07-26 | Ecolab Usa Inc. | Repetition time interval adjustment in adaptive range titration systems and methods |
| WO2025073545A1 (en) | 2023-10-05 | 2025-04-10 | Heiq Materials Ag | Method for making and/or delaminating porous graphene membranes and membranes produced using the method |
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2125642A (en) * | 1934-07-27 | 1938-08-02 | Meyer Mineral Separation Compa | Metallurgy of ferroalloy metals |
| US2704240A (en) * | 1951-10-23 | 1955-03-15 | American Brake Shoe Co | Process of preparing tungstic oxide from sintered masses containing tungsten carbide |
| JPS4021991Y1 (de) * | 1964-01-28 | 1965-07-28 | ||
| US4533527A (en) * | 1982-09-04 | 1985-08-06 | Interox Chemicals Limited | Tungsten recovery from carbides |
-
1985
- 1985-03-29 GB GB8508334A patent/GB8508334D0/en active Pending
-
1986
- 1986-03-17 DE DE8686301918T patent/DE3672666D1/de not_active Expired - Fee Related
- 1986-03-17 EP EP19860301918 patent/EP0200318B1/de not_active Expired - Lifetime
- 1986-03-17 AT AT86301918T patent/ATE54676T1/de active
- 1986-03-18 US US06/840,766 patent/US4784687A/en not_active Expired - Fee Related
- 1986-03-24 AU AU55059/86A patent/AU583103B2/en not_active Ceased
- 1986-03-25 CA CA 504949 patent/CA1281552C/en not_active Expired - Fee Related
- 1986-03-25 ZA ZA862232A patent/ZA862232B/xx unknown
- 1986-03-26 ES ES553506A patent/ES8800366A1/es not_active Expired
- 1986-03-26 BR BR8601398A patent/BR8601398A/pt not_active IP Right Cessation
- 1986-03-28 IL IL7831086A patent/IL78310A/xx not_active IP Right Cessation
- 1986-03-28 JP JP6887786A patent/JPH0712931B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR8601398A (pt) | 1986-12-09 |
| CA1281552C (en) | 1991-03-19 |
| IL78310A0 (en) | 1986-07-31 |
| EP0200318B1 (de) | 1990-07-18 |
| EP0200318A1 (de) | 1986-11-05 |
| ZA862232B (en) | 1986-11-26 |
| ATE54676T1 (de) | 1990-08-15 |
| AU5505986A (en) | 1986-10-02 |
| DE3672666D1 (de) | 1990-08-23 |
| US4784687A (en) | 1988-11-15 |
| GB8508334D0 (en) | 1985-05-09 |
| AU583103B2 (en) | 1989-04-20 |
| ES553506A0 (es) | 1987-11-01 |
| ES8800366A1 (es) | 1987-11-01 |
| JPH0712931B2 (ja) | 1995-02-15 |
| JPS61232220A (ja) | 1986-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| KB | Patent renewed | ||
| RH | Patent void |