CN103993180A - Method for recovering valuable metals from scrap copper anode slime - Google Patents
Method for recovering valuable metals from scrap copper anode slime Download PDFInfo
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- CN103993180A CN103993180A CN201410269458.7A CN201410269458A CN103993180A CN 103993180 A CN103993180 A CN 103993180A CN 201410269458 A CN201410269458 A CN 201410269458A CN 103993180 A CN103993180 A CN 103993180A
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- tin
- silver
- anode
- calcining
- mud
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 title claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 18
- 239000010949 copper Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 18
- 150000002739 metals Chemical class 0.000 title abstract description 6
- 229910052718 tin Inorganic materials 0.000 claims abstract description 56
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 53
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052709 silver Inorganic materials 0.000 claims abstract description 20
- 239000004332 silver Substances 0.000 claims abstract description 20
- 238000001354 calcination Methods 0.000 claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 17
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 15
- 238000011084 recovery Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052737 gold Inorganic materials 0.000 claims abstract description 10
- 239000010931 gold Substances 0.000 claims abstract description 10
- 238000002386 leaching Methods 0.000 claims abstract description 9
- 238000003723 Smelting Methods 0.000 claims abstract description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 4
- 238000012216 screening Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 20
- 229910001369 Brass Inorganic materials 0.000 claims description 19
- 239000010951 brass Substances 0.000 claims description 19
- 239000010802 sludge Substances 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 claims description 6
- 229910000648 terne Inorganic materials 0.000 claims description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 5
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 241000500881 Lepisma Species 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 229910052745 lead Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000010970 precious metal Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 3
- 235000011149 sulphuric acid Nutrition 0.000 claims description 3
- 239000001117 sulphuric acid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- ONVGIJBNBDUBCM-UHFFFAOYSA-N silver;silver Chemical compound [Ag].[Ag+] ONVGIJBNBDUBCM-UHFFFAOYSA-N 0.000 claims description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 abstract description 4
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 abstract 3
- 229910001128 Sn alloy Inorganic materials 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 238000005476 soldering Methods 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention relates to a method for recovering valuable metals from scrap copper anode slime, which comprises the following steps: a. pulping and screening to remove non-metal granules in scrap copper anode slime; b. carrying out oxidizing roasting to oxidize copper and silver and convert tin into SnO2; c. carrying out sulfuric acid leaching to dissolve the copper, silver and other metals which can be easily dissolved in acid into the leach solution; d. silver replacement: replacing the silver in the leach solution by using a copper sheet to obtain silver powder; e. sending the leaching slag into a rotary kiln to carry out drying and calcining; f. electric-furnace smelting: carrying out high-temperature smelting on the leaching slag to obtain a lead-tin alloy; and g. lead-tin electrolysis: carrying out electrolysis on the lead-tin alloy to obtain fine soldering tin, and extracting gold, silver, platinum and the like from the tin anode slime. The method is suitable for recovering valuable metals from scrap copper anode slime, and has favorable valuable metal recovery rate.
Description
Technical field
The present invention relates to technical field of wet metallurgy, specifically a kind of method that reclaims valuable metal in the useless composition brass anode sludge.
Background technology
In the copper anode mud of ore deposit, reclaiming valuable metal has been very ripe technique.But useless composition brass source is complicated, anode sludge gold and silver composition compared with the copper anode mud of ore deposit that useless composition brass electrorefining produces changes greatly, the metal contents such as arsenic, antimony, bismuth are lower, and tin, lead, copper content are higher, (tin is up to 15%, copper is up to 28%, lead is up to 13%), conventional art is not suitable for extracting the valuable metal in the useless composition brass anode sludge.The recovery method of researching and developing valuable metal in a kind of applicable useless composition brass anode sludge is imperative.
Summary of the invention
The object of the present invention is to provide a kind of method that reclaims valuable metal in the useless composition brass anode sludge.
Technical scheme of the present invention is: a kind of method that reclaims valuable metal in the useless composition brass anode sludge, comprises the following steps:
A, pulp screening; The useless composition brass anode sludge and water carry out pulp 100～120min by the liquid-solid ratio of 4:1, and slurries are successively filtered to post-drying by 80 orders, 40 order filtering nets;
B, oxidizing roasting; Add rotary kiln to pass into oxygen the useless composition brass anode sludge after drying and carry out oxidizing roasting and obtain calcining, maturing temperature is 700～800 DEG C, and roasting time is 2～2.5h;
C, sulfuric acid leaching; Calcining in b step is put into sulphuric acid soln and leach, liquid-solid ratio is 7:1, and extraction temperature is 80 DEG C, and extraction time is 3～4h, and leaching beginning acid concentration is 100～120g/L, and copper, silver enter in leach liquor, and Sn, Pb enter in leached mud:
D, displacement silver; Silver displacement is obtained silver powder by the leach liquor of copper sheet being put into c step, and displacement liquid returns electrolytic system, and displacement temperature is 70～80 DEG C, and time swap is 4h～5h;
E, drying and calcining; The leached mud of c step is sent into rotary kiln and carry out drying and calcining, calcining temperature is 750～850 DEG C, and it is 0.8t/h that the quantity of slag is leached in rotary kiln processing per hour, makes the sintering of sulphate decomposition and leached mud in leached mud;
F, electrosmelting, by leached mud and reductive agent after calcining in e step, slag former is leached mud in mass ratio: the ratio of coke powder: slag former=2:0.3:1 is put into electric furnace and carried out high melt acquisition terne metal after mixing, smelting temperature is 1200 DEG C～1300 DEG C, smelting time is 2h～2.5h, terne metal high-temperature fusant is put into the container of bottom of which has holes, in temperature-fall period, the condensation slag of container top output is referred to as second tin, the low fusing point melt that external crucible bottom emits is first tin, first tin is sent into kier and is carried out pyrorefining, be cast into first tin anode plate by anode casting machine again, second tin becomes particle through granulation mechanism,
G, slicker solder electrolysis: first tin anode plate described in step f is obtained to astute and able tin and first tin anode mud by conventional silicofluoric acid electrolysis process, particulate state second tin is packed in the anode frame with barrier film and obtains astute and able tin and second tin anode mud by conventional silicofluoric acid electrolysis, described first tin anode mud and second tin anode mud are sent to the precious metals such as gold and silver workshop extraction gold and silver, platinum.
The first tin anode plate of described step g and the electrolysis in same electrolyte system of particulate state second tin.
The reductive agent of described step f is coke, and slag former is SiO
2, FeO, CaO.
Unless otherwise indicated, all per-cent of the present invention is mass percent, and each component concentration percentage ratio sum is 100%.
Described liquid-solid ratio is the conventional knowledge of field of metallurgy, and liquid-solid ratio is envelope-bulk to weight ratio, and the unit of envelope-bulk to weight ratio is ml/g, L/kg or m
3/ t.
The present invention has good recovery rate of valuable metals.Experiment showed, that the plumbous rate of recovery can reach 94%, the rate of recovery of tin can reach 96.5%, and the rate of recovery of silver can reach 97.98%, and the rate of recovery of gold can reach 98.05%.
Brief description of the drawings
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present invention in detail.
As shown in Figure 1, reclaim the method for valuable metal in the useless composition brass anode sludge, comprise the following steps:
A, pulp screening: the useless composition brass anode sludge and water carry out pulp 100min by the liquid-solid ratio of 4:1, successively filter post-drying by 80 orders, 40 order filtering nets by slurries;
B, oxidizing roasting: add rotary kiln to pass into oxygen the useless composition brass anode sludge after drying and carry out oxidizing roasting and obtain calcining, the thing that makes copper, silver oxidation and make tin in opposite directions SnO2 transforms, and maturing temperature is 700～800 DEG C, and roasting time is 2h;
C, sulfuric acid leaching: the calcining in b step is put into sulphuric acid soln and leach, liquid-solid ratio is 7:1, and extraction temperature is 80 DEG C, and extraction time is 3h, leaching beginning acid concentration is 100～120g/L, and copper, silver etc. enters in leach liquor, and Sn, Pb enter in leached mud;
D, displacement silver: copper sheet is put into c step leach liquor silver displacement is obtained to silver powder, displacement liquid returns electrolytic system, and displacement temperature is 70～80 DEG C, and time swap is 4h;
E, drying and calcining: the rotary kiln of making a gift to someone of leached mud in c step is carried out to drying and calcining, and calcining temperature is 750～850 DEG C, it is 0.8t/h that the quantity of slag is leached in rotary kiln processing per hour, makes the sintering of sulphate decomposition and leached mud in leached mud;
F, electrosmelting: by leached mud and reductive agent after calcining in e step, slag former is leached mud in mass ratio: the ratio of coke powder: slag former=2:0.3:1 is put into electric furnace and carried out high melt acquisition terne metal after mixing, terne metal high-temperature fusant is put into the container of bottom of which has holes, in temperature-fall period, the condensation slag of container top output is referred to as second tin, the low fusing point melt that external crucible bottom emits is first tin, first tin is sent into kier and is carried out pyrorefining, be cast into first tin anode plate by anode casting machine again, second tin becomes particle through granulation mechanism, above-mentioned reductive agent uses coke, slag former uses SiO
2, FeO, CaO, smelting temperature is 1200 DEG C～1300 DEG C in described input electric furnace, smelting time is 2h～2.5h,
G, slicker solder electrolysis: first tin anode plate described in step f is obtained to astute and able tin and first tin anode mud by conventional silicofluoric acid electrolysis process, particulate state second tin is packed in the anode frame with barrier film and obtains astute and able tin and second tin anode mud by conventional silicofluoric acid electrolysis, described first tin anode mud and second tin anode mud are sent to the precious metals such as gold and silver workshop extraction gold and silver, platinum.
Because the first tin anode plate of step g and the difference of particulate state second tin electrolysis are that the shape of anode is the difference of surface-area, other electrolytic condition is identical, and therefore these two kinds of electrolysis are carried out in same electrolyte system.
In the useless composition brass anode sludge of above-mentioned recovery, the method for valuable metal has good recovery rate of valuable metals.Experiment showed, that the plumbous rate of recovery can reach 94%, the rate of recovery of tin can reach 96.5%, and the rate of recovery of silver can reach 97.98%, and the rate of recovery of gold can reach 98.05%.
Claims (3)
1. the method that reclaims valuable metal in the useless composition brass anode sludge, is characterized in that, comprises the following steps:
A, pulp screening; The useless composition brass anode sludge and water carry out pulp 100～120min by the liquid-solid ratio of 4:1, and slurries are successively filtered to post-drying by 80 orders, 40 order filtering nets;
B, oxidizing roasting; Add rotary kiln to pass into oxygen the useless composition brass anode sludge after drying and carry out oxidizing roasting and obtain calcining, maturing temperature is 700～800 DEG C, and roasting time is 2～2.5h;
C, sulfuric acid leaching; Calcining in b step is put into sulphuric acid soln and leach, liquid-solid ratio is 7:1, and extraction temperature is 80 DEG C, and extraction time is 3～4h, and leaching beginning acid concentration is 100～120g/L, and copper, silver enter in leach liquor, and Sn, Pb enter in leached mud:
D, displacement silver; Silver displacement is obtained silver powder by the leach liquor of copper sheet being put into c step, and displacement liquid returns electrolytic system, and displacement temperature is 70～80 DEG C, and time swap is 4h～5h;
E, drying and calcining; The leached mud of c step is sent into rotary kiln and carry out drying and calcining, calcining temperature is 750～850 DEG C, and it is 0.8t/h that the quantity of slag is leached in rotary kiln processing per hour, makes the sintering of sulphate decomposition and leached mud in leached mud;
F, electrosmelting, by leached mud and reductive agent after calcining in e step, slag former is leached mud in mass ratio: the ratio of coke powder: slag former=2:0.3:1 is put into electric furnace and carried out high melt acquisition terne metal after mixing, smelting temperature is 1200 DEG C～1300 DEG C, smelting time is 2h～2.5h, terne metal high-temperature fusant is put into the container of bottom of which has holes, in temperature-fall period, the condensation slag of container top output is referred to as second tin, the low fusing point melt that external crucible bottom emits is first tin, first tin is sent into kier and is carried out pyrorefining, be cast into first tin anode plate by anode casting machine again, second tin becomes particle through granulation mechanism,
G, slicker solder electrolysis: first tin anode plate described in step f is obtained to astute and able tin and first tin anode mud by conventional silicofluoric acid electrolysis process, particulate state second tin is packed in the anode frame with barrier film and obtains astute and able tin and second tin anode mud by conventional silicofluoric acid electrolysis, described first tin anode mud and second tin anode mud are sent to the precious metals such as gold and silver workshop extraction gold and silver, platinum.
2. the method for valuable metal in the useless composition brass anode sludge of recovery according to claim 1, is characterized in that the first tin anode plate of described step g and the electrolysis in same electrolyte system of particulate state second tin.
3. the method for valuable metal in the useless composition brass anode sludge of recovery according to claim 1, is characterized in that, the reductive agent of described step f is coke, and slag former is SiO
2, FeO, CaO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269458.7A CN103993180B (en) | 2014-06-16 | 2014-06-16 | Reclaim the method for valuable metal in the copper scap earth of positive pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269458.7A CN103993180B (en) | 2014-06-16 | 2014-06-16 | Reclaim the method for valuable metal in the copper scap earth of positive pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103993180A true CN103993180A (en) | 2014-08-20 |
| CN103993180B CN103993180B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410269458.7A Expired - Fee Related CN103993180B (en) | 2014-06-16 | 2014-06-16 | Reclaim the method for valuable metal in the copper scap earth of positive pole |
Country Status (1)
| Country | Link |
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| CN (1) | CN103993180B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805294A (en) * | 2015-04-21 | 2015-07-29 | 梧州市海邦科技有限公司 | Method for recovering silver from scrap copper anode slime |
| CN105420501A (en) * | 2015-11-20 | 2016-03-23 | 阳谷祥光铜业有限公司 | Process for extracting precious metal from anode slime |
| CN105543485A (en) * | 2016-03-07 | 2016-05-04 | 曹明华 | Method for separating and recovering valuable metals from copper anode slime |
| WO2016075350A1 (en) * | 2014-11-12 | 2016-05-19 | Consejo Superior De Investigaciones Científicas (Csic) | Recovery of high-purity sn from sn alloys containing pb by means of electrorefining |
| CN109971945A (en) * | 2019-04-25 | 2019-07-05 | 江西自立环保科技有限公司 | A kind for the treatment of process of coarse tin decoppered slag |
| CN111099652A (en) * | 2020-01-06 | 2020-05-05 | 金隆铜业有限公司 | Method for separating silver and copper in silver electrolysis waste liquid |
| CN111705216A (en) * | 2020-06-16 | 2020-09-25 | 云南锡业股份有限公司锡业分公司 | Treatment process of tin soldering electrolytic anode mud |
| CN111719044A (en) * | 2019-03-19 | 2020-09-29 | 云南乘风有色金属股份有限公司 | Ore smelting electric furnace and electrolysis short-flow combined refined tin smelting method |
| CN115044770A (en) * | 2022-03-22 | 2022-09-13 | 徐州浩通新材料科技股份有限公司 | Method for extracting noble metal from copper alloy |
| CN115125395A (en) * | 2022-05-07 | 2022-09-30 | 江西铜业技术研究院有限公司 | Method for separating and extracting tin from silver separating residues of copper anode slime by microwave roasting and wet method |
| CN115637368A (en) * | 2017-12-14 | 2023-01-24 | 梅塔洛比利时公司 | Improved pyrometallurgical process |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016075350A1 (en) * | 2014-11-12 | 2016-05-19 | Consejo Superior De Investigaciones Científicas (Csic) | Recovery of high-purity sn from sn alloys containing pb by means of electrorefining |
| CN104805294A (en) * | 2015-04-21 | 2015-07-29 | 梧州市海邦科技有限公司 | Method for recovering silver from scrap copper anode slime |
| CN105420501A (en) * | 2015-11-20 | 2016-03-23 | 阳谷祥光铜业有限公司 | Process for extracting precious metal from anode slime |
| CN105420501B (en) * | 2015-11-20 | 2017-06-16 | 阳谷祥光铜业有限公司 | A kind of technique that noble metal is extracted from the earth of positive pole |
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| CN105543485A (en) * | 2016-03-07 | 2016-05-04 | 曹明华 | Method for separating and recovering valuable metals from copper anode slime |
| CN115637368A (en) * | 2017-12-14 | 2023-01-24 | 梅塔洛比利时公司 | Improved pyrometallurgical process |
| CN115637368B (en) * | 2017-12-14 | 2023-08-15 | 梅塔洛比利时公司 | Improved pyrometallurgical process |
| CN111719044A (en) * | 2019-03-19 | 2020-09-29 | 云南乘风有色金属股份有限公司 | Ore smelting electric furnace and electrolysis short-flow combined refined tin smelting method |
| CN109971945A (en) * | 2019-04-25 | 2019-07-05 | 江西自立环保科技有限公司 | A kind for the treatment of process of coarse tin decoppered slag |
| CN111099652A (en) * | 2020-01-06 | 2020-05-05 | 金隆铜业有限公司 | Method for separating silver and copper in silver electrolysis waste liquid |
| CN111099652B (en) * | 2020-01-06 | 2022-05-31 | 金隆铜业有限公司 | Method for separating silver and copper in silver electrolysis waste liquid |
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| CN115125395A (en) * | 2022-05-07 | 2022-09-30 | 江西铜业技术研究院有限公司 | Method for separating and extracting tin from silver separating residues of copper anode slime by microwave roasting and wet method |
| CN115125395B (en) * | 2022-05-07 | 2024-05-31 | 江西铜业技术研究院有限公司 | Method for extracting tin from silver-separating slag of copper anode slime by microwave roasting and wet separation |
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