CA2623200C - Procede pyro-metallurgique de traitement de matieres contenant des metaux - Google Patents
Procede pyro-metallurgique de traitement de matieres contenant des metaux Download PDFInfo
- Publication number
- CA2623200C CA2623200C CA2623200A CA2623200A CA2623200C CA 2623200 C CA2623200 C CA 2623200C CA 2623200 A CA2623200 A CA 2623200A CA 2623200 A CA2623200 A CA 2623200A CA 2623200 C CA2623200 C CA 2623200C
- Authority
- CA
- Canada
- Prior art keywords
- tungsten carbide
- tungsten
- slag
- phase
- salt
- 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 - Fee Related
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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/36—Obtaining tungsten
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/949—Tungsten or molybdenum carbides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/482,129 | 1995-06-07 | ||
US08/482,129 US5882620A (en) | 1995-06-07 | 1995-06-07 | Pyrometallurgical process for forming tungsten carbide |
CA2224185A CA2224185C (fr) | 1995-06-07 | 1996-06-07 | Procede pyro-metallurgique de traitement de matieres contenant des metaux |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2224185A Division CA2224185C (fr) | 1995-06-07 | 1996-06-07 | Procede pyro-metallurgique de traitement de matieres contenant des metaux |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2623200A1 CA2623200A1 (fr) | 1996-12-19 |
CA2623200C true CA2623200C (fr) | 2013-06-04 |
Family
ID=39473558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2623200A Expired - Fee Related CA2623200C (fr) | 1995-06-07 | 1996-06-07 | Procede pyro-metallurgique de traitement de matieres contenant des metaux |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2623200C (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114317989B (zh) * | 2021-12-28 | 2022-10-14 | 厦门大学 | 一种废钨渣中有价金属的回收方法 |
-
1996
- 1996-06-07 CA CA2623200A patent/CA2623200C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2623200A1 (fr) | 1996-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
EEER | Examination request |
Effective date: 20080327 |
|
MKLA | Lapsed |
Effective date: 20150608 |