CN101818246A - Technology for leaching cobalt-copper white alloy - Google Patents
Technology for leaching cobalt-copper white alloy Download PDFInfo
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- CN101818246A CN101818246A CN201010168274A CN201010168274A CN101818246A CN 101818246 A CN101818246 A CN 101818246A CN 201010168274 A CN201010168274 A CN 201010168274A CN 201010168274 A CN201010168274 A CN 201010168274A CN 101818246 A CN101818246 A CN 101818246A
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to technology for leaching a cobalt-copper white alloy, which is characterized by comprising the following steps of: a, grinding the cobalt-copper white alloy by adopting crushing equipment, and sieving with a sieve with 80 to 100 meshes for later use; b, mixing in a molar ratio of Cu2+ in soluble copper salt to Fe in the sieved cobalt-copper white alloy of (1-3):1, adopting stirring equipment for stirring, and obtaining solution after reaction; c, adding strong acid into the solution after reaction, controlling hydrogen ion concentration in the aqueous solution to between 2 and 5 mol/L, controlling the stirring speed to between 300 and 1,000 revolutions per minute, and heating a reactor to control the temperature of the solution to between 70 and 100 DEG C; and d, when the leaching reaction time is 4 to 24 hours until the cobalt percentage in slag is 0.1 to 0.5 percent, adopting solid-liquid separation equipment for solid-liquid filtering separation, obtaining a filter cake and filter liquor after separation, using the filter cake as an auxiliary copper product, directly shifting the filter liquor to the next process, and finishing the leaching technology. The technology for leaching the cobalt-copper white alloy has the advantages of high leaching rate and high metal recovery, and is suitable for scale production.
Description
Technical field
The present invention relates to a kind of leaching treatment technique of cobalt-copper white alloy, belong to chemical field.
Background technology
Cobalt-copper white alloy, main component content is: contain the alloy of metals such as Co, Cu, Fe, its medium Co% between 10%-30%, Cu between 10%-50%, Fe between 10%-50%, other constituent contents≤20%.Because this cobalt-copper alloy cupric is higher, has certain ductility, so general mechanical means is difficult to fragmentation; And leach or leach with mineral acid (hydrochloric acid, sulfuric acid etc.) commonly used and all can not make its dissolving with ammonia; electricity is molten in hydrochloric acid medium can not make its dissolving; dissolution rate in chloroazotic acid is also very slow; general leaching yield is less than 90%; thereby make this alloy very poor on leaching efficiency, can not accomplish scale production.
At present main extract technology remains acid leaching process, and the alloy leaching efficiency is low, and Co, Cu metal recovery rate are low, is difficult to realize that the mass-producing of raw material uses.
Summary of the invention
It is simple to the purpose of this invention is to provide a kind of technology, leaching efficiency height, metal recovery rate height, the leaching treatment technique of the cobalt-copper white alloy that is produced on a large scale.
For achieving the above object, the technical solution used in the present invention is:
A kind of leaching treatment technique of cobalt-copper white alloy,
A, to adopt disintegrating apparatus to carry out cobalt-copper white alloy levigate, and cross the 80-100 mesh sieve, and the back of sieving is stand-by;
B, according to the Cu in the soluble copper salt
2+With sieve after cobalt-copper white alloy in the mol ratio (1-3) of Fe: 1 mixes, and adopts whipping device to stir, and must react back solution;
C, add strong acid in the solution after reaction, the hydrogen ion concentration in the control aqueous solution is 2-5mol/L, control stirring velocity 300-1000r/min, and the reacting by heating container is controlled between 70 ℃-100 ℃ solution temperature;
D, wait to leach reaction times 4-24h, when Co% is 0.1%-0.5% in slag, adopt solid-liquid separating equipment to carry out the solid-liquid filtering separation, after the separation filter cake and filtrate, filter cake is as attached copper products, filtrate directly changes next process over to, extract technology finishes.
Described disintegrating apparatus is a kind of in ball mill, Raymond machine, crusher, the airflow milling.
Described soluble copper salt is a kind of in cupric chloride, copper sulfate, cupric nitrate, the neutralized verdigris.
Described strong acid is a kind of in the vitriol oil, concentrated hydrochloric acid, concentrated nitric acid, the chloroazotic acid.
Described solid-liquid separating equipment is a kind of in whizzer, box filter, plate filter, the pipe filter.
Advantage of the present invention: cobalt-copper white alloy grinds fully, and technology is simple, the leaching efficiency height, and the metal recovery rate height is produced on a large scale.
Embodiment
Following examples are intended to illustrate the present invention rather than to the bright further qualification of we.
Embodiment 1
A kind of leaching treatment technique of cobalt-copper white alloy may further comprise the steps:
A, to adopt crusher to carry out cobalt-copper white alloy levigate, and cross 80 mesh sieves, and it is stand-by to get 50g after sieving;
B, according to the Cu in the soluble copper salt
2+With sieve after cobalt-copper white alloy in the mol ratio of Fe mix at 1: 1, adopt whipping device to stir, must react back solution;
C, add 98% vitriol oil in the solution after reaction, the hydrogen ion concentration in the control aqueous solution is 2mol/L, control stirring velocity 400r/min, and the reacting by heating container makes solution temperature be controlled at 70 ℃;
D, wait to leach reaction times 8h, Co% is 0.5% o'clock in slag, adopts whizzer to carry out the solid-liquid filtering separation, after the separation filter cake and filtrate, filter cake is as attached copper products, filtrate directly changes next process over to, extract technology finishes.
Embodiment 2
A kind of leaching treatment technique of cobalt-copper white alloy may further comprise the steps:
A, to adopt crusher to carry out cobalt-copper white alloy levigate, and cross 85 mesh sieves, and it is stand-by to get 50g after sieving;
B, according to the Cu in the soluble copper salt
2+With sieve after cobalt-copper white alloy in the mol ratio of Fe mix at 1.5: 1, adopt whipping device to stir, must react back solution;
C, add 98% vitriol oil in the solution after reaction, the hydrogen ion concentration in the control aqueous solution is 2.5mol/L, control stirring velocity 600r/min, and the reacting by heating container makes solution temperature be controlled at 80 ℃;
D, wait to leach reaction times 10h, Co% is 0.4% o'clock in slag, adopts whizzer to carry out the solid-liquid filtering separation, after the separation filter cake and filtrate, filter cake is as attached copper products, filtrate directly changes next process over to, extract technology finishes.
Embodiment 3
A kind of leaching treatment technique of cobalt-copper white alloy may further comprise the steps:
A, to adopt crusher to carry out cobalt-copper white alloy levigate, and cross 90 mesh sieves, and it is stand-by to get 50g after sieving;
B, according to the Cu in the soluble copper salt
2+With sieve after cobalt-copper white alloy in the mol ratio of Fe mix at 2: 1, adopt whipping device to stir, must react back solution;
C, add 98% vitriol oil in the solution after reaction, the hydrogen ion concentration in the control aqueous solution is 3mol/L, control stirring velocity 800r/min, and the reacting by heating container makes solution temperature be controlled at 90 ℃;
D, wait to leach reaction times 12h, Co% is 0.3% o'clock in slag, adopts whizzer to carry out the solid-liquid filtering separation, after the separation filter cake and filtrate, filter cake is as attached copper products, filtrate directly changes next process over to, extract technology finishes.
Embodiment 4
A kind of leaching treatment technique of cobalt-copper white alloy may further comprise the steps:
A, to adopt crusher to carry out cobalt-copper white alloy levigate, and cross 95 mesh sieves, and it is stand-by to get 50g after sieving;
B, according to the Cu in the soluble copper salt
2+With sieve after cobalt-copper white alloy in the mol ratio of Fe mix at 2.5: 1, adopt whipping device to stir, must react back solution;
C, add 98% vitriol oil in the solution after reaction, the hydrogen ion concentration in the control aqueous solution is 4mol/L, control stirring velocity 900r/min, and the reacting by heating container makes solution temperature be controlled at 95 ℃;
D, wait to leach reaction times 16h, Co% is 0.2% o'clock in slag, adopts whizzer to carry out the solid-liquid filtering separation, after the separation filter cake and filtrate, filter cake is as attached copper products, filtrate directly changes next process over to, extract technology finishes.
Embodiment 5
A kind of leaching treatment technique of cobalt-copper white alloy may further comprise the steps:
A, to adopt crusher to carry out cobalt-copper white alloy levigate, and cross 100 mesh sieves, and it is stand-by to get 50g after sieving;
B, according to the Cu in the soluble copper salt
2+With sieve after cobalt-copper white alloy in the mol ratio of Fe mix at 3: 1, adopt whipping device to stir, must react back solution;
C, add 98% vitriol oil in the solution after reaction, the hydrogen ion concentration in the control aqueous solution is 5mol/L, control stirring velocity 1000r/min, and the reacting by heating container makes solution temperature be controlled at 100 ℃;
D, wait to leach reaction times 24h, Co% is 0.1% o'clock in slag, adopts whizzer to carry out the solid-liquid filtering separation, after the separation filter cake and filtrate, filter cake is as attached copper products, filtrate directly changes next process over to, extract technology finishes.
Advantage of the present invention: with the soluble copper salt in the production process and cobalt-copper white alloy hybrid reaction, technology is simple, and leaching efficiency can be accomplished scale production up to more than 99%; And can produce auxiliary product, for enterprise creates new profit margin, effectively avoid the generation of solid waste.
Claims (5)
1. the leaching treatment technique of a cobalt-copper white alloy is characterized in that:
A, to adopt disintegrating apparatus to carry out cobalt-copper white alloy levigate, and cross the 80-100 mesh sieve, and the back of sieving is stand-by;
B, according to the Cu in the soluble copper salt
2+With sieve after cobalt-copper white alloy in the mol ratio (1-3) of Fe: 1 mixes, and adopts whipping device to stir, and must react back solution;
C, add strong acid in the solution after reaction, the hydrogen ion concentration in the control aqueous solution is 2-5mol/L, control stirring velocity 300-1000r/min, and the reacting by heating container is controlled between 70 ℃-100 ℃ solution temperature;
D, wait to leach reaction times 4-24h, when Co% is 0.1%-0.5% in slag, adopt solid-liquid separating equipment to carry out the solid-liquid filtering separation, after the separation filter cake and filtrate, filter cake is as attached copper products, filtrate directly changes next process over to, extract technology finishes.
2. the leaching treatment technique of a kind of cobalt-copper white alloy according to claim 1 is characterized in that: described disintegrating apparatus is a kind of in ball mill, Raymond machine, crusher, the airflow milling.
3. the leaching treatment technique of a kind of cobalt-copper white alloy according to claim 1 is characterized in that: described soluble copper salt is a kind of in cupric chloride, copper sulfate, cupric nitrate, the neutralized verdigris.
4. the leaching treatment technique of a kind of cobalt-copper white alloy according to claim 1 is characterized in that: described strong acid is a kind of in the vitriol oil, concentrated hydrochloric acid, concentrated nitric acid, the chloroazotic acid.
5. the leaching treatment technique of a kind of cobalt-copper white alloy according to claim 1 is characterized in that: described solid-liquid separating equipment is a kind of in whizzer, box filter, plate filter, the pipe filter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101682743A CN101818246B (en) | 2010-05-11 | 2010-05-11 | Technology for leaching cobalt-copper white alloy |
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| CN2010101682743A CN101818246B (en) | 2010-05-11 | 2010-05-11 | Technology for leaching cobalt-copper white alloy |
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| CN101818246A true CN101818246A (en) | 2010-09-01 |
| CN101818246B CN101818246B (en) | 2012-05-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435186A (en) * | 2016-08-24 | 2017-02-22 | 湖南金源新材料股份有限公司 | Cobalt waste acid hydrolysis method and application of cobalt waste acid hydrolysis method to preparation of high-purity cobalt liquid for cobaltosic oxide |
| CN113414396A (en) * | 2020-07-14 | 2021-09-21 | 西峡县泰祥实业有限公司 | Preparation method of high-molding FeCu prealloying powder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800422A (en) * | 2005-12-13 | 2006-07-12 | 浙江盈联科技有限公司 | Method for processing cobalt copper alloy |
| CN1912152A (en) * | 2006-08-04 | 2007-02-14 | 湖南瑞翔新材料有限公司 | Method for extracting valence metal from copper ferrocobalt alloy |
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2010
- 2010-05-11 CN CN2010101682743A patent/CN101818246B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800422A (en) * | 2005-12-13 | 2006-07-12 | 浙江盈联科技有限公司 | Method for processing cobalt copper alloy |
| CN1912152A (en) * | 2006-08-04 | 2007-02-14 | 湖南瑞翔新材料有限公司 | Method for extracting valence metal from copper ferrocobalt alloy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435186A (en) * | 2016-08-24 | 2017-02-22 | 湖南金源新材料股份有限公司 | Cobalt waste acid hydrolysis method and application of cobalt waste acid hydrolysis method to preparation of high-purity cobalt liquid for cobaltosic oxide |
| CN106435186B (en) * | 2016-08-24 | 2019-09-20 | 湖南金源新材料股份有限公司 | Cobalt scrap acid hydrolyzation and preparing the application in cobaltosic oxide high-purity cobalt liquid |
| CN113414396A (en) * | 2020-07-14 | 2021-09-21 | 西峡县泰祥实业有限公司 | Preparation method of high-molding FeCu prealloying powder |
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| CN101818246B (en) | 2012-05-23 |
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