CN100383261C - Process for extracting metal cobalt from waste hard alloy - Google Patents
Process for extracting metal cobalt from waste hard alloy Download PDFInfo
- Publication number
- CN100383261C CN100383261C CNB2005100127770A CN200510012777A CN100383261C CN 100383261 C CN100383261 C CN 100383261C CN B2005100127770 A CNB2005100127770 A CN B2005100127770A CN 200510012777 A CN200510012777 A CN 200510012777A CN 100383261 C CN100383261 C CN 100383261C
- Authority
- CN
- China
- Prior art keywords
- hard alloy
- cobalt
- cobalt metal
- waste
- electrolytic solution
- 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
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Classifications
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- 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
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- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100127770A CN100383261C (en) | 2005-08-31 | 2005-08-31 | Process for extracting metal cobalt from waste hard alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100127770A CN100383261C (en) | 2005-08-31 | 2005-08-31 | Process for extracting metal cobalt from waste hard alloy |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1749420A CN1749420A (en) | 2006-03-22 |
CN100383261C true CN100383261C (en) | 2008-04-23 |
Family
ID=36605075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100127770A Expired - Fee Related CN100383261C (en) | 2005-08-31 | 2005-08-31 | Process for extracting metal cobalt from waste hard alloy |
Country Status (1)
Country | Link |
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CN (1) | CN100383261C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101157982B (en) * | 2006-10-08 | 2011-04-06 | 中国恩菲工程技术有限公司 | Method for leaching bidery metal by sulfuric acid and inflation agitation leaching trough |
CN108910966B (en) * | 2018-09-21 | 2020-06-09 | 湖南金雕能源科技有限公司 | Method for extracting tungsten carbide and cobalt from waste hard alloy |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU1770426C (en) * | 1990-07-11 | 1992-10-23 | С.А. Васильев и Е.Н. Кузнецова | Method for processing of dust, formed in tungsten-containing cemented-carbide tool grinding |
CN1609279A (en) * | 2003-10-17 | 2005-04-27 | 鞍山科技大学 | Method for producing powder raw material of rigid alloy product from waste hard alloy |
-
2005
- 2005-08-31 CN CNB2005100127770A patent/CN100383261C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU1770426C (en) * | 1990-07-11 | 1992-10-23 | С.А. Васильев и Е.Н. Кузнецова | Method for processing of dust, formed in tungsten-containing cemented-carbide tool grinding |
CN1609279A (en) * | 2003-10-17 | 2005-04-27 | 鞍山科技大学 | Method for producing powder raw material of rigid alloy product from waste hard alloy |
Non-Patent Citations (1)
Title |
---|
含钻硬质合金废料的综合回收. 张愈祖,蔡传算.矿冶工程,第20卷第2期. 2000 * |
Also Published As
Publication number | Publication date |
---|---|
CN1749420A (en) | 2006-03-22 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Heibei Liulong Hard Alloy Group Co., Ltd. Assignor: Duan Licheng Contract fulfillment period: 2008.10.31 to 2016.12.31 contract change Contract record no.: 2008130000098 Denomination of invention: Process for extracting metal cobalt from waste hard alloy Granted publication date: 20080423 License type: Exclusive license Record date: 20081119 Assignee: Changsha Zhongnan Kaida Powder Metallurgy Co.,Ltd. Assignor: Duan Licheng Contract fulfillment period: 2008.9.30 to 2015.9.30 contract change Contract record no.: 2008430000029 Denomination of invention: Process for extracting metal cobalt from waste hard alloy Granted publication date: 20080423 License type: Exclusive license Record date: 20081119 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Heibei Liulong Hard Alloy Group Co., Ltd. Assignor: Duan Licheng Contract fulfillment period: 2008.10.31 to 2016.12.31 contract change Contract record no.: 2008130000098 Denomination of invention: Process for extracting metal cobalt from waste hard alloy Granted publication date: 20080423 License type: Exclusive license Record date: 20081119 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.30 TO 2015.9.30; CHANGE OF CONTRACT Name of requester: CHANGSHA ZHONGNAN KAIDA POWDER METALLURGY CO., LTD Effective date: 20081119 Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.31 TO 2016.12.31; CHANGE OF CONTRACT Name of requester: HEBEI LIULONG HARD ALLOY GROUP CO.,LTD. Effective date: 20081119 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20150831 |
|
EXPY | Termination of patent right or utility model |