CN104263937A - Treatment method for nickel, copper and tin alloy waste material - Google Patents
Treatment method for nickel, copper and tin alloy waste material Download PDFInfo
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- CN104263937A CN104263937A CN201410448208.XA CN201410448208A CN104263937A CN 104263937 A CN104263937 A CN 104263937A CN 201410448208 A CN201410448208 A CN 201410448208A CN 104263937 A CN104263937 A CN 104263937A
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- waste material
- copper
- tin alloy
- nickel
- molten state
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- 238000000034 method Methods 0.000 title claims abstract description 49
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000002699 waste material Substances 0.000 title claims abstract description 41
- 239000010949 copper Substances 0.000 title claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910001128 Sn alloy Inorganic materials 0.000 title claims abstract description 27
- 229910000881 Cu alloy Inorganic materials 0.000 title abstract 6
- 229910000990 Ni alloy Inorganic materials 0.000 title abstract 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract 3
- 229910045601 alloy Inorganic materials 0.000 claims description 23
- 239000000956 alloy Substances 0.000 claims description 23
- 238000005868 electrolysis reaction Methods 0.000 claims description 20
- 239000008151 electrolyte solution Substances 0.000 claims description 12
- 239000003792 electrolyte Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- LVIYYTJTOKJJOC-UHFFFAOYSA-N nickel phthalocyanine Chemical compound [Ni+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 LVIYYTJTOKJJOC-UHFFFAOYSA-N 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052683 pyrite Inorganic materials 0.000 claims description 2
- 239000011028 pyrite Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 2
- 239000003546 flue gas Substances 0.000 claims 2
- 238000005987 sulfurization reaction Methods 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 239000003500 flue dust Substances 0.000 claims 1
- 239000011135 tin Substances 0.000 abstract description 10
- 229910052718 tin Inorganic materials 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000004073 vulcanization Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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)
Abstract
The invention discloses a treatment method for a nickel, copper and tin alloy waste material and relates to the technical field of resource recycling. The treatment method for the nickel, copper and tin alloy waste material comprises the following steps: heating the nickel, copper and tin alloy waste material to a molten state; introducing a vulcanizing agent into the nickel, copper and tin alloy waste material to the molten state and carrying out vulcanization and detinning reactions to obtain tin; electrolyzing the waste material in the molten state after detinning treatment, so as to obtain copper; and electrolyzing the waste material in the molten state after copper removal treatment, so as to obtain nickel. The treatment method for the nickel, copper and tin alloy waste material disclosed by the invention is used for effectively recovering nickel, copper and tin by means of metal characteristics of the nickel, copper and tin, is energy-saving and environmentally friendly, simple, easy to operate and strong in adaptability and has wide application prospect.
Description
Technical field
The present invention relates to resource reutilization technical field, particularly relate to a kind for the treatment of process of ambrose alloy tin alloy waste material.
Background technology
Non-ferrous metal ambrose alloy tin has a wide range of applications in traditional industry and new technical field, but nickel, tin, copper etc. can reduce by exploit mineral resources increasingly, and resource pressure grows with each passing day, and it is essential and significant to strengthen the comprehensive utilization of corresponding secondary resource.Ambrose alloy tin alloy amount of waste increases year by year, the alloy components damaged in the waste material produced in the waste material produced when it mainly refers to mechanical workout, smelting process, industrial sector and part etc.Strengthen the utilization to this resource, have comparatively positive effect to resource pressures such as alleviation nickel, tin, copper, and industry is significant.
Along with industrial development, ambrose alloy tin alloy waste material is increasing year by year, and the nickel of China, copper, tin resource are all in state in short supply, therefore, need a kind of method that can process ambrose alloy tin alloy waste material badly, the nickel in it, copper, tin metal can be recycled.
Summary of the invention
The object of the invention is to propose a kind for the treatment of process that can realize the ambrose alloy tin alloy waste material of efficient recovery to nickel, copper, tin metal resource.
For reaching this object, the present invention by the following technical solutions:
A treatment process for ambrose alloy tin alloy waste material, described method comprises the steps:
Steps A, intensification is carried out to ambrose alloy tin alloy waste material make it reach molten state;
Step B, in the ambrose alloy tin alloy waste material reaching molten state, pass into vulcanizing agent, obtain tin through sulfuration detin reaction;
Step C, the molten state waste material after detin process carried out to electrolysis and obtain copper;
Step D, the molten state waste material after decopper(ing) process carried out to electrolysis and obtain nickel.
Preferably, described step B is specially, and is blown into vulcanizing agent in an inert atmosphere in molten bath, carries out sulfuration detin reaction, produces high-temperature flue gas, carries out cooling process and reclaim stanniferous flue dust wherein to high-temperature flue gas;
Preferably, the quality of vulcanizing agent is 15% to 20% of ambrose alloy tin alloy waste material total mass;
Preferred further, described vulcanizing agent is the combination of one or more in pyrite, sulphur, nickelous sulfide.
Preferably, described step C is specially, and the molten state waste material after detin process is cast into positive plate, using described positive plate as anode, stainless steel plate is as negative electrode, and copper sulfate is that electrolytic solution carries out electrolysis in copper electrolysis cells, obtains copper after cathode deposition period terminates on negative electrode;
Preferably, the bath voltage of described copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm with interpole gap;
Preferred further, the Cu in electrolytic solution
2+concentration is 45 to 70g/L.
Preferably, described step C specifically comprises the first electrolytic process and the second electrolytic process, wherein,
First electrolytic process is, molten state waste material after detin process is cast into positive plate, using described positive plate as anode, stainless steel plate is as negative electrode, copper sulfate is that electrolytic solution carries out electrolysis in copper electrolysis cells, and the bath voltage of copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, be 70 to 85mm with interpole gap, as the Cu in electrolytic solution
2+when concentration is lower than the first preset concentration value, terminates the first electrolytic process, negative electrode obtains copper, then enter the second electrolytic process;
Second electrolytic process is, using compound hydrogen plate as anode, stainless steel plate proceeds electrolysis as negative electrode, and the bath voltage of copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm, as the Cu in electrolytic solution with interpole gap
2+when concentration is lower than the second preset concentration value, terminates the second electrolytic process, negative electrode obtains copper;
Preferably, the first preset concentration value is 18g/L, and the second preset concentration value is 0.5g/L.
Preferably, describedly molten state waste material after detin process is cast into positive plate is specially, in molten state waste material, add slag former and spray into oxidizing gas, reacting and obtain liquid and slag after 30 to 80 minutes, liquid cast is become positive plate.
Preferably, described slag former is SiO
2.
Preferably, described step D is specially, and electrolytic nickel cell put into by the electrolytic solution after being completed by step C, and using titanium plate as anode, stainless steel plate carries out electrolysis as negative electrode, obtains nickel after cathode deposition period terminates on negative electrode;
Preferably, the bath voltage of described electrolytic nickel cell is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm with interpole gap.
Preferably, described cathode deposition period is 7 to 10 days.
Beneficial effect of the present invention is:
The treatment process of ambrose alloy tin alloy waste material provided by the invention utilizes the efficient recovery of metallic character realization to it of nickel, copper and tin, energy-conserving and environment-protective, and treatment process is simple, and easy to operate, suitability is strong, has broad application prospects.
Accompanying drawing explanation
Fig. 1 is the process flow figure of ambrose alloy tin alloy waste material provided by the invention.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
The invention provides a kind for the treatment of process of ambrose alloy tin alloy waste material, as shown in Figure 1, steps of the method are:
Steps A, intensification is carried out to ambrose alloy tin alloy waste material make it reach molten state;
Step B, in the ambrose alloy tin alloy waste material reaching molten state, pass into vulcanizing agent, obtain tin through sulfuration detin reaction;
Step C, the molten state waste material after detin process carried out to electrolysis and obtain copper;
Step D, the molten state waste material after decopper(ing) process carried out to electrolysis and obtain nickel.
The treatment process of ambrose alloy tin alloy waste material provided by the invention utilizes the efficient recovery of metallic character realization to it of nickel, copper and tin, energy-conserving and environment-protective, and treatment process is simple, and easy to operate, suitability is strong.
The operating process that lower mask body introduction is concrete.
Embodiment one:
Present embodiments provide a kind for the treatment of process of ambrose alloy tin alloy waste material.Its detailed process is:
Steps A, ambrose alloy tin alloy waste material is heated to 1600 DEG C, makes it reach molten state.
Step B, in molten bath, be blown into vulcanizing agent in an inert atmosphere, carry out sulfuration detin reaction, produce high-temperature flue gas, cooling process is carried out to high-temperature flue gas and reclaims stanniferous flue dust wherein.The quality of vulcanizing agent is 15% to 20% of ambrose alloy tin alloy waste material total mass.Vulcanizing agent can be the combination of one or more in pyrite, sulphur, nickelous sulfide.
Step C, in molten state waste material, add slag former and spray into oxidizing gas, reacting and obtain liquid and slag after 30 to 80 minutes, liquid cast is become positive plate.Slag former can be SiO
2.Using positive plate as anode, stainless steel plate is as negative electrode, and copper sulfate is that electrolytic solution carries out electrolysis in copper electrolysis cells, obtains copper after cathode deposition period terminates on negative electrode.Wherein, the bath voltage of copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm with interpole gap, the Cu in electrolytic solution
2+concentration is 45 to 70g/L.
Step D, step C is completed after electrolytic solution put into electrolytic nickel cell, using titanium plate as anode, stainless steel plate carries out electrolysis as negative electrode, obtains nickel after cathode deposition period terminates on negative electrode.Wherein, the bath voltage of electrolytic nickel cell is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm with interpole gap.
Cathode deposition period in step C and step D is 7 to 10 days.
Embodiment two:
Present embodiments provide a kind for the treatment of process of ambrose alloy tin alloy waste material.Its detailed process is:
Steps A, ambrose alloy tin alloy waste material is heated to 1600 DEG C, makes it reach molten state.
Step B, in molten bath, be blown into vulcanizing agent in an inert atmosphere, carry out sulfuration detin reaction, produce high-temperature flue gas, cooling process is carried out to high-temperature flue gas and reclaims stanniferous flue dust wherein.The quality of vulcanizing agent is 15% to 20% of ambrose alloy tin alloy waste material total mass.Vulcanizing agent can be the combination of one or more in pyrite, sulphur, nickelous sulfide.
Step C, carry out the first electrolytic process and the second electrolytic process successively, wherein,
First electrolytic process is, molten state waste material after detin process is cast into positive plate, using positive plate as anode, stainless steel plate is as negative electrode, copper sulfate is that electrolytic solution carries out electrolysis in copper electrolysis cells, and the bath voltage of copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, be 70 to 85mm with interpole gap, as the Cu in electrolytic solution
2+when concentration is lower than the first preset concentration value, terminates the first electrolytic process, negative electrode obtains copper, then enter the second electrolytic process;
Second electrolytic process is, using compound hydrogen plate as anode, stainless steel plate proceeds electrolysis as negative electrode, and the bath voltage of copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm, as the Cu in electrolytic solution with interpole gap
2+when concentration is lower than the second preset concentration value, terminates the second electrolytic process, negative electrode obtains copper;
The first preset concentration value is wherein 18g/L, and the second preset concentration value is 0.5g/L.
Step D, step C is completed after electrolytic solution put into electrolytic nickel cell, using titanium plate as anode, stainless steel plate carries out electrolysis as negative electrode, obtains nickel after cathode deposition period terminates on negative electrode.Wherein, the bath voltage of electrolytic nickel cell is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm with interpole gap.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (8)
1. a treatment process for ambrose alloy tin alloy waste material, is characterized in that, described method comprises the steps:
Steps A, intensification is carried out to ambrose alloy tin alloy waste material make it reach molten state;
Step B, in the ambrose alloy tin alloy waste material reaching molten state, pass into vulcanizing agent, obtain tin through sulfuration detin reaction;
Step C, the molten state waste material after detin process carried out to electrolysis and obtain copper;
Step D, the molten state waste material after decopper(ing) process carried out to electrolysis and obtain nickel.
2. the treatment process of a kind of ambrose alloy tin alloy waste material according to claim 1, it is characterized in that: described step B is specially, vulcanizing agent is blown in an inert atmosphere in molten bath, carry out sulfuration detin reaction, produce high-temperature flue gas, cooling process is carried out to high-temperature flue gas and reclaims stanniferous flue dust wherein;
Preferably, the quality of vulcanizing agent is 15% to 20% of ambrose alloy tin alloy waste material total mass;
Preferred further, described vulcanizing agent is the combination of one or more in pyrite, sulphur, nickelous sulfide.
3. the treatment process of a kind of ambrose alloy tin alloy waste material according to claim 1, it is characterized in that: described step C is specially, molten state waste material after detin process is cast into positive plate, using described positive plate as anode, stainless steel plate is as negative electrode, copper sulfate is that electrolytic solution carries out electrolysis in copper electrolysis cells, obtains copper after cathode deposition period terminates on negative electrode;
Preferably, the bath voltage of described copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm with interpole gap;
Preferred further, the Cu in electrolytic solution
2+concentration is 45 to 70g/L.
4. the treatment process of a kind of ambrose alloy tin alloy waste material according to claim 1, is characterized in that: described step C specifically comprises the first electrolytic process and the second electrolytic process, wherein,
First electrolytic process is, molten state waste material after detin process is cast into positive plate, using described positive plate as anode, stainless steel plate is as negative electrode, copper sulfate is that electrolytic solution carries out electrolysis in copper electrolysis cells, and the bath voltage of copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, be 70 to 85mm with interpole gap, as the Cu in electrolytic solution
2+when concentration is lower than the first preset concentration value, terminates the first electrolytic process, negative electrode obtains copper, then enter the second electrolytic process;
Second electrolytic process is, using compound hydrogen plate as anode, stainless steel plate proceeds electrolysis as negative electrode, and the bath voltage of copper electrolysis cells is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm, as the Cu in electrolytic solution with interpole gap
2+when concentration is lower than the second preset concentration value, terminates the second electrolytic process, negative electrode obtains copper;
Preferably, the first preset concentration value is 18g/L, and the second preset concentration value is 0.5g/L.
5. the treatment process of a kind of ambrose alloy tin alloy waste material according to claim 3 or 4, it is characterized in that: describedly molten state waste material after detin process is cast into positive plate is specially, in molten state waste material, add slag former and spray into oxidizing gas, react and obtain liquid and slag after 30 to 80 minutes, liquid cast is become positive plate.
6. the treatment process of a kind of ambrose alloy tin alloy waste material according to claim 5, is characterized in that: described slag former is SiO
2.
7. the treatment process of a kind of ambrose alloy tin alloy waste material according to claim 1, it is characterized in that: described step D is specially, electrolytic nickel cell put into by electrolytic solution after being completed by step C, using titanium plate as anode, stainless steel plate carries out electrolysis as negative electrode, obtains nickel after cathode deposition period terminates on negative electrode;
Preferably, the bath voltage of described electrolytic nickel cell is 2.1 to 2.5V, and electrolyte temperature is 50 to 55 DEG C, is 70 to 85mm with interpole gap.
8. the treatment process of a kind of ambrose alloy tin alloy waste material according to claim 3 or 7, is characterized in that: described cathode deposition period is 7 to 10 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410448208.XA CN104263937A (en) | 2014-09-04 | 2014-09-04 | Treatment method for nickel, copper and tin alloy waste material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410448208.XA CN104263937A (en) | 2014-09-04 | 2014-09-04 | Treatment method for nickel, copper and tin alloy waste material |
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| Publication Number | Publication Date |
|---|---|
| CN104263937A true CN104263937A (en) | 2015-01-07 |
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ID=52155510
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| CN201410448208.XA Pending CN104263937A (en) | 2014-09-04 | 2014-09-04 | Treatment method for nickel, copper and tin alloy waste material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107151743A (en) * | 2017-04-25 | 2017-09-12 | 昆明理工大学 | A kind of pyrite vulcanization corronil waste material makes copper matte regulus and the method for reclaiming dilval |
| CN107574307A (en) * | 2017-09-07 | 2018-01-12 | 昆明鼎邦科技股份有限公司 | A kind of method for recycling stannous sulfide separation signal bronze |
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| CN103498051A (en) * | 2013-09-30 | 2014-01-08 | 昆明理工大学 | Method for recovering copper and nickel from nickel-iron-copper alloy waste |
| CN103614555A (en) * | 2013-09-12 | 2014-03-05 | 昆明理工大学 | Method for efficiently separating and enriching tin from nickel-tin-iron alloy scrap |
| CN103668323A (en) * | 2013-12-12 | 2014-03-26 | 昆明理工大学 | Method for treating copper and nickel containing material by electrolysis-segmented electrodeposition method |
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2014
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| CN102534657A (en) * | 2012-02-17 | 2012-07-04 | 重庆重冶铜业有限公司 | Method for treating waste electrolyte in process of producing cathode copper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107151743A (en) * | 2017-04-25 | 2017-09-12 | 昆明理工大学 | A kind of pyrite vulcanization corronil waste material makes copper matte regulus and the method for reclaiming dilval |
| CN107574307A (en) * | 2017-09-07 | 2018-01-12 | 昆明鼎邦科技股份有限公司 | A kind of method for recycling stannous sulfide separation signal bronze |
| CN107574307B (en) * | 2017-09-07 | 2019-04-23 | 昆明鼎邦科技股份有限公司 | A method of stannous sulfide is recycled and separates copper-tin alloy |
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Owner name: ZHU HAITAO HUADE XUANLONG NEW MATERIAL SCIENCE + T Free format text: FORMER OWNER: ZHU HAITAO Effective date: 20150507 |
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Effective date of registration: 20150507 Address after: 109, room 74, building 1, 100053 street mouth, Xicheng District school, Beijing Applicant after: LONGJI SHIDAI (BEIJING) NEW ENERGY TECHNOLOGY CO., LTD. Applicant after: Zhu Haitao Applicant after: HUADE XUANLONG NEW MATERIAL SCIENCE & TECHNOLOGY CO., LTD. Applicant after: World future (Beijing) development in science and technology company limited Address before: 109, room 74, building 1, 100053 street mouth, Xicheng District school, Beijing Applicant before: LONGJI SHIDAI (BEIJING) NEW ENERGY TECHNOLOGY CO., LTD. Applicant before: Zhu Haitao |
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Addressee: LONGJI SHIDAI (BEIJING) NEW ENERGY TECHNOLOGY CO., LTD. Document name: Notification of Passing Examination on Formalities Addressee: LONGJI SHIDAI (BEIJING) NEW ENERGY TECHNOLOGY CO., LTD. Document name: Notification of Patent Invention Entering into Substantive Examination Stage |
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Effective date of registration: 20160314 Address after: Huade County, Changshun town industrial park the Inner Mongolia Autonomous Region Wulanchabu 013350 Applicant after: HUADE XUANLONG NEW MATERIAL SCIENCE & TECHNOLOGY CO., LTD. Address before: 109, room 74, building 1, 100053 street mouth, Xicheng District school, Beijing Applicant before: LONGJI SHIDAI (BEIJING) NEW ENERGY TECHNOLOGY CO., LTD. Applicant before: Zhu Haitao Applicant before: HUADE XUANLONG NEW MATERIAL SCIENCE & TECHNOLOGY CO., LTD. Applicant before: World future (Beijing) development in science and technology company limited |
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Application publication date: 20150107 |