CN101760757B - Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material - Google Patents
Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material Download PDFInfo
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- CN101760757B CN101760757B CN2009102183133A CN200910218313A CN101760757B CN 101760757 B CN101760757 B CN 101760757B CN 2009102183133 A CN2009102183133 A CN 2009102183133A CN 200910218313 A CN200910218313 A CN 200910218313A CN 101760757 B CN101760757 B CN 101760757B
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- lead
- electrolysis
- alkaline leaching
- lead sulfate
- sulfate material
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- 239000000463 material Substances 0.000 title claims abstract description 35
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 31
- 238000002386 leaching Methods 0.000 title claims abstract description 28
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000003792 electrolyte Substances 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims description 21
- 239000011734 sodium Substances 0.000 claims description 9
- 239000008151 electrolyte solution Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000007654 immersion Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000004090 dissolution Methods 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 abstract description 4
- 238000001764 infiltration Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 abstract description 2
- 230000001172 regenerating effect Effects 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 10
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 6
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 6
- -1 polypropylene Polymers 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004070 electrodeposition Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000005272 metallurgy Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 241000500881 Lepisma Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 206010010774 Constipation Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The invention relates to a method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material, comprising the following steps: placing the pasted lead sulfate material to a blending infiltration chamber of an alkaline leaching electrolysis bath, introducing DC electricity to the electrolysis bath, dissolving lead in the lead sulfate by sodium hydroxide so as to enter the solution, passing through a partition film to enter an electrolysis chamber, enabling lead ions in electrolyte to discharge and separate out on a cathode, obtaining metallic sponge lead or lead particles, regenerating partial sodium hydroxide in the solution, leading the electrolyte of the electrolysis outside, returning the electrolyte to the blending infiltration chamber to recycle after causticization treatment. The main alkaline leaching conditions are as follows: the cathode current density is 200-1000A/m2; the electrolyte temperature is 20-90 DEG C; the groove voltage is 1-5V; the electrode homopolar distance is 50-120mm; and the liquid and solid ratio of the slurry is 5-12: 1. The lead sulfate alkaline leaching and the lead electrolysis are carried out simultaneously in a same device, thereby regenerating solvent sodium hydroxide, simplifying the working procedures, reinforcing the dissolving process of the lead-bearing material, and widening the application range of the method on the lead-bearing material.
Description
Technical field
The present invention is a kind of processing lead sulfate, plumbous oxide material, comprises a kind of Wet-process metallurgy method of mineral, can be used for from these materials, extracting metallic lead.
Background technology
The Wet-process metallurgy method of handling lead sulfate material production metallic lead at present both at home and abroad is more; Mainly contain carbonate conversion-silicofluoric acid leaching-electrodeposition method and solid phase electrolytic process; The defective that these methods exist mainly is to be confined to be used for handling the lead sulfate material that composition is purer, lead content is higher; Like lead acid cell cream mud etc., then more hard to manage for complicated component, many metals miscellaneous material; Last method technology is tediously long simultaneously, and back one method solid phase electrolyzer structure is complicated.
Summary of the invention
The objective of the invention is to above-mentioned prior art problems; Propose a kind of method of new producing lead by executing electrolysis and alkaline leaching on lead sulfate material, it is utilized among the same device, the lead sulfate dissolved is taking place simultaneously; Electrodeposition output spongy lead and regenerated solvent sodium hydroxide; Simplify working process with this, strengthen the dissolution process of lead-containing material, widen the scope of application lead materials.
The method of this producing lead by executing electrolysis and alkaline leaching on lead sulfate material proposed by the invention is characterized in that it has the following steps:
(1) the lead sulfate material is put into the molten chamber of soaking of stirring that alkalescence leaches electrolyzer after pulp; Feed direct current to electrolyzer; Lead in the lead sulfate is got into solution by dissolution of sodium hydroxide, passes barrier film and gets into tank room, and the lead ion in the electrolytic solution discharges on negative electrode and separates out; Obtain the spongy lead or the lead button of metallic state, part sodium hydroxide regeneration in the solution simultaneously;
(2) electrolytic solution of tank room is drawn after causticization is handled, to be back to and is stirred alkali and dissolve the chamber and recycle.
The condition of the executing electrolysis and alkaline leaching control in (1) step is: cathode current density 200～1000A/m
2, 20～90 ℃ of electrolyte temperatures, bath voltage 1～5V, electrode be with pole span 50～120mm, and the liquid-solid ratio of the slip ratio of solid weight (liquid volume with) is 5～12: 1.
Stir speed (S.S.) 300～500r/m.
The time of executing electrolysis and alkaline leaching separates out whole plumbous required times by current efficiency 100% calculating negative electrode and controls.
The material of negative electrode is 304 stainless steels, and negative electrode is tabular, and anode is a pectination; The barrier film of electrolytic alkali immersion trough is an acid-proof fabric, and like polypropylene fibre, polyvinyl chloride fibre, terylene etc., it can stop slip infiltration effectively and not influence the transmission of metals ion.
The essence that above-mentioned causticization is handled is: the SO in the raw material
4 2-The Na that has combined to generate solubility with NaOH
2SO
4,, can it be regenerated as NaOH again through carrying out causticization to adding lime in the electrolytic solution.
The alkalescence LE method is handled the ultimate principle of lead sulfate material; System has utilized leaching and electrolysis to carry out simultaneously; Alkali concn in the maintenance system is constant basically, the constant basically condition of plumbum ion concentration in the electrolytic solution, and to leach reaction smooth and accomplish thereby make, and its electrochemical process is following:
(1) material is dissolved by sodium hydroxide in the alkali dissolution chamber and soaks, and is plumbous with PbO
2 2-Ionic forms gets into solution:
PbSO
4+NaOH→Na
2PbO
2+Na
2SO
4+2H
2O
(2) PbO in the solution
2 2-And Na
+Be delivered to tank room through barrier film;
(3) under the galvanic effect of tank room, PbO
2 2-Be reduced into metal at negative electrode:
PbO
2 2-+2e+2H
2O→Pb
0+4OH
-
(4) at tank room, the Na in the solution
+With OH
-Combine and regenerate NaOH:
Na
++OH
-＝NaOH
(5) will contain residue NaOH and Na
2SO
4Solution draw electrolyzer after causticization is handled, return and stir alkali and dissolve the chamber.Add the causticization of milk of lime, the reaction that is taken place is:
Na
2SO
4+Ca(OH)
2→2NaOH+CaSO
4↓
Stir alkali and soak indoor PbSO
4Constantly dissolved, continuous precipitating metal lead and regeneration sodium hydroxide in the tank room finish until leaching.
Characteristics of the present invention are to be utilized among the same device; The lead sulfate dissolved is taking place simultaneously; Electrodeposition output spongy lead and regenerated solvent sodium hydroxide, thus operation simplified, strengthened the dissolution process of lead-containing material and widened the scope of application of this method lead materials.
The present invention adopts the advantage of basic treatment lead sulfate material to be: (1) technical process is short; Leaching and electrodeposition carry out simultaneously; Dissolve plumbous leaching the in chamber at alkali and get in the electrolytic solution, lead is reduced into spongy lead or lead button in tank room, subsequently spongy lead or lead button is smelted into metallic lead; (2) effects of ion concentration is low, the difficulty of no slurry filtration, washing; (3) service temperature low (60 ℃); (4) operation under the alkaline medium, etching problem is little, can select conventional material for use; (5) device structure is simple, handled easily; (6) energy consumption, alkaline consumption are low; Most of alkali can reclaim through the causticization operation and use; (7) recovery rate of valuable metals is high, and associated metal must give enrichment in leached mud, be convenient to next step recovery; (8) can handle that content is not high, the lead materials of complicated component.As handle lead vitriol (sardinianite), lead oxide ore, tin lead oxidation slag (dirt), plumbous cadmia (powder) etc.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Fig. 2 is the used electrolytic alkali immersion trough of a present invention structural representation.
It is following that alkali soaks each parts label of electrolyzer among Fig. 2:
The 1-stirring rake; The 2-barrier film; The 3-anode; The 4-negative electrode; 5-alkali dissolves the chamber; The 6-tank room; The 7-cell body.
Further specify positively effect of the present invention with instance below.
Embodiment
Adopting slicker solder vitriol mixing slag is raw material, and composition is (%) Pb 35; Sn 3.80; S 12; Fe 2; SiO
25.3; CaO 4.
Executing electrolysis and alkaline leaching carries out in the electrolytic alkali immersion trough of volume 20L, and the structure of electrolytic alkali immersion trough is as shown in Figure 2.For alkali dissolves chamber 5, carry out the material alkali dissolution here in the middle of this electrolytic alkali immersion trough, two ends tank room 6 carries out the heavy plumbous and alkali regeneration of electrolysis in the groove, keeps apart with barrier film 2 between two Room.
The material of negative electrode is 304 stainless steels, and negative electrode is tabular, and anode is a pectination; The barrier film of electrolytic alkali immersion trough is an acid-proof fabric, and like polypropylene fibre, polyvinyl chloride fibre, terylene etc., it can stop slip infiltration effectively and not influence the transmission of metals ion.
The each processing of this example expected 2 kilograms of appearance, and the control techniques condition is cathode current density: 200～1000A/M
2Strength of current: 32～64A; Average groove is pressed: 1～5V; Electrolysis time 6～3 hours; 60 ℃ of electrolysis temperatures; Alkali concn NaOH 100～200g/l, (ratio of liquid volume and solid weight, corresponding measure unit is ml/g, l/Kg or m to liquid-solid ratio
3/ t) be 8: 1.The executing electrolysis and alkaline leaching result is: the spongy lead of output becomes metallic lead to contain Pb99.5% through founding; The lead metal recovery 95%.Leached mud composition: Sn 10%; Pb7%; Be suitable for and be made for the tin metallurgy raw material.
The above-mentioned liquid-solid ratio of this example changes 5: 1 respectively into and 12: 1; Electrolysis temperature changes 20 ℃ and 90 ℃ respectively into, and when all the other conditions were constant, effect was basic identical.
Adopting the sardinianite ore deposit is raw material, and composition is (%): Pb 38; S 9; BaO 5;
Au?0.0008；Ag?0.08。
Executing electrolysis and alkaline leaching carries out in the electrolyzer of volume 20L, each handles 2 kilograms of material appearance, and cell construction, control condition are identical with embodiment 1.The executing electrolysis and alkaline leaching result is: the spongy lead of output becomes metallic lead to contain Pb 99.5% through founding; The recovery that lead is gone into metal is 93%, leached mud composition: Pb 5%; Au0.0017%; Ag 0.17%; Be suitable for and be made for the raw material that extracts Precious Metals-Gold and silver.
The slicker solder oxidation sludge that adopts lead bullion oxidation detin to be produced is a raw material, and composition is (%):
Pb?42；Sn?35。
Executing electrolysis and alkaline leaching carries out in the electrolyzer of volume 30L, handles 3 kilograms of test portions at every turn, and cell construction, control condition are identical with embodiment 1.The executing electrolysis and alkaline leaching result is: the plumbous Pb 99.5% of output sheet yin constipation, the lead metal recovery 98%.Leached mud composition Sn 65%; Pb 10%; Should be made for the tin metallurgy raw material.
Claims (6)
1. the method for a producing lead by executing electrolysis and alkaline leaching on lead sulfate material is characterized in that it has the following steps:
(1) the lead sulfate material is put into the molten chamber of soaking of stirring that alkalescence leaches electrolyzer after pulp, feeds direct current to electrolyzer, and the lead in the lead sulfate is got into solution by dissolution of sodium hydroxide, and with PbO
2 2-Form is passed barrier film and is got into tank room, the PbO in the electrolytic solution
2 2-On negative electrode, discharge and separate out, obtain the spongy lead or the lead button of metallic state, part sodium hydroxide regeneration in the solution simultaneously;
(2) electrolytic solution of tank room is drawn after causticization is handled, to be back to and is stirred alkali and dissolve the chamber and recycle.
2. according to the method for the said producing lead by executing electrolysis and alkaline leaching on lead sulfate material of claim 1, it is characterized in that the condition of the executing electrolysis and alkaline leaching control in (1) step is: cathode current density 200～1000A/m
2, 20～90 ℃ of electrolyte temperatures, bath voltage 1～5V, electrode are with pole span 50～120mm, and the liquid-solid ratio of slip (L/S) is 5～12: 1.
3. according to the method for claim 1 or 2 said producing lead by executing electrolysis and alkaline leaching on lead sulfate material, it is characterized in that stir speed (S.S.) 300～500r/m.
4. according to the method for claim 1 or 2 said producing lead by executing electrolysis and alkaline leaching on lead sulfate material, the time that it is characterized in that executing electrolysis and alkaline leaching calculates negative electrode by current efficiency 100% and separates out whole plumbous required times and control.
5. according to the method for the said producing lead by executing electrolysis and alkaline leaching on lead sulfate material of claim 1, the material that it is characterized in that negative electrode is 304 stainless steels, and negative electrode is tabular, and anode is a pectination; The barrier film of electrolytic alkali immersion trough is an acid-proof fabric.
6. according to the method for the said producing lead by executing electrolysis and alkaline leaching on lead sulfate material of claim 1, it is characterized in that the causticization processing in (2) step is the Na that contains that is drawing
2SO
4Electrolytic solution in add lime and carry out, return use after making it generate NaOH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102183133A CN101760757B (en) | 2009-12-09 | 2009-12-09 | Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102183133A CN101760757B (en) | 2009-12-09 | 2009-12-09 | Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material |
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|---|---|
| CN101760757A CN101760757A (en) | 2010-06-30 |
| CN101760757B true CN101760757B (en) | 2012-05-23 |
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ID=42492129
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|---|---|---|---|---|
| CN102094215B (en) * | 2011-01-06 | 2012-07-25 | 浙江工业大学 | Horizontal movement type continuous electrolytic method and device of lead in regenerative lead-containing material |
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| CN105039691A (en) * | 2015-08-25 | 2015-11-11 | 四川华富宇科技有限责任公司 | Method for leaching low-grade lead-zinc oxide ores through electrooxidation and leaching device of method |
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| CN106498446A (en) * | 2016-10-20 | 2017-03-15 | 北京矿冶研究总院 | Lead sulfate suspension electrolysis method |
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| CN108996481A (en) * | 2018-07-16 | 2018-12-14 | 超威电源有限公司 | A kind of lead plaster doctor solution circulation utilization method |
| CN109628956A (en) * | 2019-03-01 | 2019-04-16 | 阳谷祥光铜业有限公司 | A kind of preparation method and device of tough cathode |
| CN110777394A (en) * | 2019-10-24 | 2020-02-11 | 北京矿冶科技集团有限公司 | Method for electrolyzing and recovering lead from lead-containing slag by using chlorination diaphragm |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0508960A1 (en) * | 1991-03-13 | 1992-10-14 | M.A. Industries Inc. | A hydrometallurgical method of producing metallic lead from materials containing oxides, particularly from the active material of accumulators |
| CN101012514A (en) * | 2006-12-30 | 2007-08-08 | 同济大学 | Method for producing metallic lead and zinc by using lead-zinc containing waste slag or lead-zinc monoxide mine |
| CN101488597A (en) * | 2009-02-23 | 2009-07-22 | 东南大学 | Method for waste lead-acid cell resourcization and lead-acid cell cyclic production |
-
2009
- 2009-12-09 CN CN2009102183133A patent/CN101760757B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0508960A1 (en) * | 1991-03-13 | 1992-10-14 | M.A. Industries Inc. | A hydrometallurgical method of producing metallic lead from materials containing oxides, particularly from the active material of accumulators |
| CN101012514A (en) * | 2006-12-30 | 2007-08-08 | 同济大学 | Method for producing metallic lead and zinc by using lead-zinc containing waste slag or lead-zinc monoxide mine |
| CN101488597A (en) * | 2009-02-23 | 2009-07-22 | 东南大学 | Method for waste lead-acid cell resourcization and lead-acid cell cyclic production |
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Denomination of invention: Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material Effective date of registration: 20191014 Granted publication date: 20120523 Pledgee: Gejiu branch of Bank of China Ltd. Pledgor: GREENNOVO ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2019530000005 |
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Denomination of invention: The method of producing lead by electrolytic alkaline leaching of lead sulfate materials Granted publication date: 20120523 Pledgee: CITIC Bank Limited by Share Ltd. Kunming branch Pledgor: GREENNOVO ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2024530000004 |
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