CN105039691A - Method for leaching low-grade lead-zinc oxide ores through electrooxidation and leaching device of method - Google Patents
Method for leaching low-grade lead-zinc oxide ores through electrooxidation and leaching device of method Download PDFInfo
- Publication number
- CN105039691A CN105039691A CN201510526780.8A CN201510526780A CN105039691A CN 105039691 A CN105039691 A CN 105039691A CN 201510526780 A CN201510526780 A CN 201510526780A CN 105039691 A CN105039691 A CN 105039691A
- Authority
- CN
- China
- Prior art keywords
- lead
- leaching
- low
- zinc oxide
- electrolyzer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/18—Electrolytic production, recovery or refining of metals by electrolysis of solutions of lead
-
- 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
Abstract
The invention discloses a method for leaching low-grade lead-zinc oxide ores through electrooxidation. The method comprises the following steps of A, conducting pulping, wherein crushing and ball milling are carried out on the low-grade lead-zinc oxide ores, and then the ores are mixed with water to be made into ore pulp; B, conducting leaching, wherein after the ore pulp is fed into an electrolytic bath, alkali liquor and an activating agent are added to the electrolytic bath to form a solid-liquid mixture, and leaching is conducted at normal temperature under normal pressure, so that leaching liquor and spongy lead are obtained; C, conducting separation and extraction on the leaching liquor to obtain zinc powder, wherein regeneration treatment is conducted on filter liquor with the zinc powder being separated, and then the filter liquor returns to the electrolytic bath to be recycled; D recycling the sponge lead into ingots; and E, treating waste water and waste residues generated in the production process. The electrolytic bath comprises a cathode region, an anode region, a stirrer, a cathode plate and an anode plate. By the adoption of the method for leaching low-grade lead-zinc oxide ores through electrooxidation and a leaching device of the method, the technological process is simplified, energy consumption, pollution and cost are reduced, and production efficiency is improved.
Description
Technical field
The invention belongs to ore separation field, particularly a kind of electrooxidation leaching method for extracting plumbous zinc in low-grade Lead-zinc oxide ore and leaching plant.
Background technology
The complicated of low-grade Lead-zinc oxide ore, wherein generally all contain the compositions such as sulfide ore, the lapis calaminaris of difficult leaching and metal silicates ore, due to the composition containing complexity, in the leaching method of routine, lead wherein and zinc metal can not be well made to leach even add medicament, this is also the reason making the conventional extract technology rate of recovery comparatively low, and in the extract technology of routine, also need to consume larger heat energy, is unfavorable for the saving of the energy.In the production of routine, generally all need ore pulp to be heated to about 90 DEG C, so just need the fuel such as the coal of at substantial, greatly improve production cost.Meanwhile, existing extract technology is after plumbous zinc metal leaches, and Pb-Zn separation difficulty is wherein higher, needs to rely on a large amount of chemical precipitation agents just can complete through the reaction of long period at a certain temperature.And existing acidleach method needs to consume a large amount of medicaments, and its separate complex, the separation costs for low grade oxidation ore is higher.
In sum, a kind of new method of present exigence reduces separating difficulty and the cost of low-grade Lead-zinc oxide ore, improves the efficiency be separated.
Summary of the invention
The object of the invention is to overcome the problems referred to above, provide a kind of energy effective simplification of flowsheet, significantly reduce energy consumption, pollution and cost, and the electrooxidation that can significantly improve production efficiency leaches the method for low-grade Lead-zinc oxide ore.
Another object of the present invention is to provide the leaching plant that a kind of electrooxidation leaches low-grade Lead-zinc oxide ore.
To achieve these goals, the present invention realizes by the following technical solutions:
Electrooxidation leaches a method for low-grade Lead-zinc oxide ore, comprises the following steps:
A, slurrying, become lead-zinc powder by broken for low-grade lead-zinc also ball milling, then this lead-zinc powder and water be mixed and made into ore pulp;
B, leaching, first add electrolyzer by ore pulp, then in electrolyzer, add alkali lye and activator makes the mass ratio of the solid in electrolyzer and liquid be 4 ~ 5:1, forms solidliquid mixture; Then leach at normal temperatures and pressures, obtain leach liquor and spongy lead;
C, separation and acquisition is carried out to leach liquor, obtain zinc powder; Recycle in electrolyzer is again returned after manipulation of regeneration is carried out to the filtrate after separation zinc powder;
D, ingot is recycled into spongy lead;
E, the waste water generated in production process and waste residue to be processed.
The fineness of the lead-zinc powder in steps A is 200 orders, and the quality accounting of the lead-zinc powder in ore pulp is 25%.
Alkali lye described in step B is sodium carbonate, sodium hydroxide or potassium hydroxide, and activator is Sodium dodecylbenzene sulfonate, and the concentration of alkali lye in the solidliquid mixture formed be 25%, the concentration of activator is 1%.In the process of described " leach at normal temperatures and pressures, obtain leach liquor and spongy lead ", the voltage control in electrolyzer is in the scope of 2.5 ~ 3.5V, and the current density of anode remains on 100 ~ 200A/m
2, the time of leaching is 4 ~ 6 hours.
" carrying out separation and acquisition to leach liquor " described described in step C, is specially first by precipitate or the mode of centrifuging obtains the coarse filtration liquid of leach liquor, then obtains zinc powder by the mode of electrolysis coarse filtration liquid again.
Manipulation of regeneration described in step C comprises chemical neutralization precipitation and heats removal of impurities two step with calcium hydroxide; After filtrate after manipulation of regeneration returns electrolyzer, also need in electrolyzer, to add alkali lye and activator gradually again, make the concentration of alkali lye in ore pulp remain on 25%, the concentration of activator remains on 1%.
" being recycled into ingot to spongy lead " described in step D specifically refers to: first carry out collecting to the spongy lead that negative electrode in electrolyzer is formed and wash, the spongy lead compacting then will cleaned again, is smelt lead pig finally by smelting furnace by the spongy lead fire after compacting.
Waste residue in step e is through washing and filter until laggard windrow up to standard is put; Adopt moderate water-cut stage to carry out contamination precipitation after factory effluent mixes with Solid state fermentation waste water, and after utilizing sulfuric acid to regulate the pH value to 7.8 of waste water, waste water is carried out recycling.
A kind of electrooxidation leaches the leaching plant of the method for low-grade Lead-zinc oxide ore, described leaching plant is electrolyzer, this electrolyzer becomes " ten " shape, four ends of this electrolyzer are cathodic area, and central authorities are positive column, and it is spaced apart that barrier film is passed through in positive column and cathodic area, the middle position of positive column is provided with agitator, also be provided with negative plate and positive plate in a cell, negative plate is connected with negative busbar, positive plate is connected with positive bar.
Further, described positive plate is arranged on position adjacent with barrier film in positive column, and negative plate is arranged on position adjacent with barrier film in cathodic area, is also provided with other two anticathode plate and positive plates in each cathodic area in pairs.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) processing method of the present invention is comparatively simple, can simple and fast extract lead and zinc, improve production efficiency, reduce production cost, and adopt method of the present invention to improve leaching yield.
(2) the present invention is without the need to heating ore pulp, greatly saves heat energy, reduces the energy consumption in production process, and then saves production cost.
(3) the present invention can recycle liquid, and then reduces the consumption of generative process herb liquid, reduce further and produces the required cost dropped into.
(4) current density of the present invention in electrolytic process is significantly less than 500 conventional ~ 2000A/m
2, well reduce the current consumption in the cost of device fabrication and production process, and then better save manufacture and the use cost of equipment.
(5) the present invention is based on its efficiency and good effect efficiently, there is industry prospect widely, can be good at carrying out in the industry promoting and use, and then better facilitating the progress of industry and the development of enterprise.
Accompanying drawing explanation
Fig. 1 is step block diagram of the present invention.
Fig. 2 is the vertical view of Winning cell of the present invention.
Fig. 3 is the side cutaway view of Winning cell of the present invention.
Description of reference numerals: 1, negative busbar; 2, positive bar; 3, cathodic area; 4, positive column; 5, agitator; 6, barrier film; 7, positive plate; 8, negative plate.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 1, the present invention includes following steps:
A, slurrying, become lead-zinc powder by broken for low-grade lead-zinc also ball milling, then this lead-zinc powder and water be mixed and made into ore pulp;
The fineness of the lead-zinc powder in steps A is 200 orders, and the quality accounting of the lead-zinc powder in ore pulp is 25%.
B, leaching, first add electrolyzer by ore pulp, then in electrolyzer, add alkali lye and activator makes the mass ratio of the solid in electrolyzer and liquid be 4 ~ 5:1, forms solidliquid mixture; Then leach at normal temperatures and pressures, obtain leach liquor and spongy lead;
Alkali lye described in step B is sodium carbonate, sodium hydroxide or potassium hydroxide, and activator is Sodium dodecylbenzene sulfonate, and the concentration of alkali lye in the solidliquid mixture formed be 25%, the concentration of activator is 1%.In the process of described " leach at normal temperatures and pressures, obtain leach liquor and spongy lead ", the voltage control in electrolyzer is in the scope of 2.5 ~ 3.5V, and the current density of anode remains on 100 ~ 200A/m
2, the time of leaching is 4 ~ 6 hours.
In the process leached, zinc rests in leach liquor, and lead then leaches on negative plate, and is attached on the surface of leach liquor along with the accumulation of lead thickeies the final spongy lead that formed.The leaching equation of this lead is: PbO+2H
+→ Pb
2++ H
2o; Plumbous reaction equation in electrolytic process is: Pb
2++ 2e
-→ Pb; When basic agent is sodium hydroxide, the zinc oxide in ore pulp and the reaction equation of sodium hydroxide are: 2NaOH+ZnO=Na
2znO
2+ H
2o.
C, separation and acquisition is carried out to leach liquor, obtain zinc powder; Recycle in electrolyzer is again returned after manipulation of regeneration is carried out to the filtrate after separation zinc powder;
" carrying out separation and acquisition to leach liquor " described described in step C, is specially first by precipitate or the mode of centrifuging obtains the coarse filtration liquid of leach liquor, then obtains zinc powder by the mode of electrolysis coarse filtration liquid again.Manipulation of regeneration described in step C comprises chemical neutralization precipitation and heats removal of impurities two step with calcium hydroxide; After filtrate after manipulation of regeneration returns electrolyzer, also need in electrolyzer, to add alkali lye and activator gradually again, make the concentration of alkali lye in ore pulp remain on 25%, the concentration of activator remains on 1%.In the process of electrolytic zinc powder, the negative plate of this electrolyzer and positive plate all adopt 316 stainless steel plates.
D, ingot is recycled into spongy lead;
" being recycled into ingot to spongy lead " described in step D specifically refers to: first carry out collecting to the spongy lead that negative electrode in electrolyzer is formed and wash, the spongy lead compacting then will cleaned again, is smelt lead pig finally by smelting furnace by the spongy lead fire after compacting.
E, the waste water generated in production process and waste residue to be processed.
Waste residue in step e is through washing and filter until laggard windrow up to standard is put; Adopt moderate water-cut stage to carry out contamination precipitation after factory effluent mixes with Solid state fermentation waste water, and after utilizing sulfuric acid to regulate the pH value to 7.8 of waste water, waste water is carried out recycling.In moderate water-cut stage, adopt the concentration of lime furnishing be 10 ~ 15% milk of lime precipitate, the equation in this precipitation process is:
Pb
2++Ca(OH)
2→Pb(OH)
2；
Zn
2++Ca(OH)
2→Zn(OH)
2；
Cd
2++Ca(OH)
2→Cd(OH)
2；
Fe
2++Ca(OH)
2→Fe(OH)
2。
Embodiment 2
The present embodiment is by ball milling after low-grade Lead-zinc oxide ore fragmentation to the ore pulp of 200 orders 25%, and to adjust solid-liquid mass ratio be 4:1, after adding corresponding medicament, electrolyzer applied to the voltage of 2.9 ~ 3.5V, control the current density of anode at 100A/m simultaneously
2, the rotating speed of its agitator per minute controls in the scope of 300 ~ 500 turns, works 4 hours in normal temperature and pressure.The leaching yield of final lead is 92%, becomes the lead pig taste 87.5 ~ 93.5% after ingot; And the output capacity of zinc powder is 95%.
Embodiment 3
The present embodiment is by ball milling after low-grade Lead-zinc oxide ore fragmentation to the ore pulp of 200 orders 25%, and to adjust solid-liquid mass ratio be 4:1, after adding corresponding medicament, electrolyzer applied to the voltage of 2.9 ~ 3.5V, control the current density of anode at 100A/m simultaneously
2, the rotating speed of its agitator per minute controls in the scope of 300 ~ 500 turns, works 6 hours in normal temperature and pressure.The leaching yield of final lead is 94.3%, and the output capacity of zinc powder is 86.7%.
Embodiment 4
As shown in Figure 2,3, a kind of electrooxidation leaches the leaching plant of the method for low-grade Lead-zinc oxide ore, described leaching plant is electrolyzer, and this electrolyzer becomes " ten " shape, and four ends of this electrolyzer are cathodic area 3, central authorities are positive column 4, positive column 4 is spaced apart by barrier film 6 with cathodic area 3, and the middle position of positive column 4 is provided with agitator 5, is also provided with negative plate 8 and positive plate 7 in a cell, negative plate 8 is connected with negative busbar 1, positive plate 7 is connected with positive bar 2.
Described positive plate 7 is arranged on position adjacent with barrier film 6 in positive column 4, and negative plate 8 is arranged on position adjacent with barrier film 6 in cathodic area 3, is also provided with other two anticathode plates 8 and positive plate 7 in each cathodic area 3 in pairs.Wherein, negative plate adopts titanium plate, and positive plate adopts titanium plate or 316 stainless steel plates.
By aforesaid method, just well the present invention can be realized.
Claims (10)
1. electrooxidation leaches a method for low-grade Lead-zinc oxide ore, it is characterized in that, comprises the following steps:
A, slurrying, become lead-zinc powder by broken for low-grade lead-zinc also ball milling, then this lead-zinc powder and water be mixed and made into ore pulp;
B, leaching, first add electrolyzer by ore pulp, then in electrolyzer, add alkali lye and activator makes the mass ratio of the solid in electrolyzer and liquid be 4 ~ 5:1, forms solidliquid mixture; Then leach at normal temperatures and pressures, obtain leach liquor and spongy lead;
C, separation and acquisition is carried out to leach liquor, obtain zinc powder; Recycle in electrolyzer is again returned after manipulation of regeneration is carried out to the filtrate after separation zinc powder;
D, ingot is recycled into spongy lead;
E, the waste water generated in production process and waste residue to be processed.
2. a kind of electrooxidation according to claim 1 leaches the method for low-grade Lead-zinc oxide ore, it is characterized in that, the fineness of the lead-zinc powder in steps A is 200 orders, and the quality accounting of the lead-zinc powder in ore pulp is 25%.
3. a kind of electrooxidation according to claim 2 leaches the method for low-grade Lead-zinc oxide ore, it is characterized in that, alkali lye described in step B is sodium carbonate, sodium hydroxide or potassium hydroxide, activator is Sodium dodecylbenzene sulfonate, and the concentration of alkali lye in the solidliquid mixture formed be 25%, the concentration of activator is 1%.
4. a kind of electrooxidation according to claim 3 leaches the method for low-grade Lead-zinc oxide ore, it is characterized in that, in the process of " leaching at normal temperatures and pressures; obtain leach liquor and spongy lead " in stepb, voltage control in this electrolyzer is in the scope of 2.5 ~ 3.5V, and the current density of anode remains on 100 ~ 200A/m
2, the time of leaching is 4 ~ 6 hours.
5. a kind of electrooxidation according to claim 4 leaches the method for low-grade Lead-zinc oxide ore, it is characterized in that, " separation and acquisition is carried out to leach liquor " described in step C, be specially the coarse filtration liquid first being obtained leach liquor by precipitation or the mode of centrifuging, then obtain zinc powder by the mode of electrolysis coarse filtration liquid again.
6. a kind of electrooxidation according to claim 5 leaches the method for low-grade Lead-zinc oxide ore, it is characterized in that, the manipulation of regeneration described in step C comprises chemical neutralization precipitation and heats removal of impurities two step with calcium hydroxide; After filtrate after manipulation of regeneration returns electrolyzer, also need in electrolyzer, to add alkali lye and activator gradually again, make the concentration of alkali lye in ore pulp remain on 25%, the concentration of activator remains on 1%.
7. a kind of electrooxidation according to claim 6 leaches the method for low-grade Lead-zinc oxide ore, it is characterized in that, " being recycled into ingot to spongy lead " described in step D specifically refers to: first carry out collecting to the spongy lead that negative electrode in electrolyzer is formed and wash, then the spongy lead compacting will cleaned again, is smelt lead pig finally by smelting furnace by the spongy lead fire after compacting.
8. a kind of electrooxidation according to claim 7 leaches the method for low-grade Lead-zinc oxide ore, it is characterized in that, the waste residue in step e is through washing and filter until laggard windrow up to standard is put; Adopt moderate water-cut stage to carry out contamination precipitation after factory effluent mixes with Solid state fermentation waste water, and after utilizing sulfuric acid to regulate the pH value to 7.8 of waste water, waste water is carried out recycling.
9. a kind of electrooxidation according to claim 1-8 any one leaches the leaching plant of the method for low-grade Lead-zinc oxide ore, it is characterized in that, described leaching plant is electrolyzer, this electrolyzer becomes " ten " shape, four ends of this electrolyzer are cathodic area (3), central authorities are positive column (4), positive column (4) is spaced apart by barrier film (6) with cathodic area (3), the middle position of positive column (4) is provided with agitator (5), also be provided with negative plate (8) and positive plate (7) in a cell, negative plate (8) is connected with negative busbar (1), positive plate (7) is connected with positive bar (2).
10. a kind of electrooxidation according to claim 9 leaches the leaching plant of the method for low-grade Lead-zinc oxide ore, it is characterized in that, described positive plate (7) is arranged on position adjacent with barrier film (6) in positive column (4), negative plate (8) is arranged on position adjacent with barrier film (6) in cathodic area (3), is also provided with other two anticathode plates (8) and positive plate (7) in each cathodic area (3) in pairs.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510526780.8A CN105039691A (en) | 2015-08-25 | 2015-08-25 | Method for leaching low-grade lead-zinc oxide ores through electrooxidation and leaching device of method |
| PCT/CN2016/072471 WO2017031949A1 (en) | 2015-08-25 | 2016-01-28 | Method for leaching low-grade lead-zinc oxide ores by means of electrooxidation, and leaching device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510526780.8A CN105039691A (en) | 2015-08-25 | 2015-08-25 | Method for leaching low-grade lead-zinc oxide ores through electrooxidation and leaching device of method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105039691A true CN105039691A (en) | 2015-11-11 |
Family
ID=54446658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510526780.8A Pending CN105039691A (en) | 2015-08-25 | 2015-08-25 | Method for leaching low-grade lead-zinc oxide ores through electrooxidation and leaching device of method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105039691A (en) |
| WO (1) | WO2017031949A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017031949A1 (en) * | 2015-08-25 | 2017-03-02 | 四川华富宇科技有限责任公司 | Method for leaching low-grade lead-zinc oxide ores by means of electrooxidation, and leaching device thereof |
| CN107686888A (en) * | 2017-10-11 | 2018-02-13 | 贵州宏达环保科技有限公司 | A kind of continuous in-pulp electrolysis leaching equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059077B (en) * | 2021-10-27 | 2023-10-20 | 湖南有色金属研究院有限责任公司 | Treatment method of arsenic filter cake |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002018395A (en) * | 2000-07-06 | 2002-01-22 | Taiheiyo Cement Corp | Treating method for waste |
| 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 |
| JP2008169424A (en) * | 2007-01-11 | 2008-07-24 | Taiheiyo Cement Corp | Method for treating substance containing heavy metals including zinc |
| CN101451198A (en) * | 2007-11-29 | 2009-06-10 | 黄石理工学院 | Method for recovering zinc and lead from waste electrolysis anode sludge |
| CN101760757A (en) * | 2009-12-09 | 2010-06-30 | 王树楷 | Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material |
| CN102234821A (en) * | 2010-04-26 | 2011-11-09 | 于军 | Method for recovering and preparing superfine lead powder, zinc powder and pure lead ingots and zinc ingots from lead- and zinc-containing materials |
| CN102851707A (en) * | 2012-08-29 | 2013-01-02 | 江西自立资源再生有限公司 | Technology for recovering production of electrolytic zinc powder and lead powder from smelting ash through alkali leaching method |
| CN104532295A (en) * | 2015-01-08 | 2015-04-22 | 花垣县宏达边城科技有限公司 | Recycling technology for valuable metals in electrolytic zinc leach residues and electrolytic cell adopted by same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2535736B1 (en) * | 1982-11-04 | 1987-09-04 | Promotion Procedes Hydro Metal | PROCESS FOR TREATING ZINC-CONTAINING DUST FROM ELECTRIC STEEL OVENS |
| CN204369999U (en) * | 2015-01-08 | 2015-06-03 | 花垣县宏达边城科技有限公司 | Plumbous electrolyzer is reclaimed in a kind of electrolytic zinc leached mud |
| 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 |
-
2015
- 2015-08-25 CN CN201510526780.8A patent/CN105039691A/en active Pending
-
2016
- 2016-01-28 WO PCT/CN2016/072471 patent/WO2017031949A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002018395A (en) * | 2000-07-06 | 2002-01-22 | Taiheiyo Cement Corp | Treating method for waste |
| 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 |
| JP2008169424A (en) * | 2007-01-11 | 2008-07-24 | Taiheiyo Cement Corp | Method for treating substance containing heavy metals including zinc |
| CN101451198A (en) * | 2007-11-29 | 2009-06-10 | 黄石理工学院 | Method for recovering zinc and lead from waste electrolysis anode sludge |
| CN101760757A (en) * | 2009-12-09 | 2010-06-30 | 王树楷 | Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material |
| CN102234821A (en) * | 2010-04-26 | 2011-11-09 | 于军 | Method for recovering and preparing superfine lead powder, zinc powder and pure lead ingots and zinc ingots from lead- and zinc-containing materials |
| CN102851707A (en) * | 2012-08-29 | 2013-01-02 | 江西自立资源再生有限公司 | Technology for recovering production of electrolytic zinc powder and lead powder from smelting ash through alkali leaching method |
| CN104532295A (en) * | 2015-01-08 | 2015-04-22 | 花垣县宏达边城科技有限公司 | Recycling technology for valuable metals in electrolytic zinc leach residues and electrolytic cell adopted by same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017031949A1 (en) * | 2015-08-25 | 2017-03-02 | 四川华富宇科技有限责任公司 | Method for leaching low-grade lead-zinc oxide ores by means of electrooxidation, and leaching device thereof |
| CN107686888A (en) * | 2017-10-11 | 2018-02-13 | 贵州宏达环保科技有限公司 | A kind of continuous in-pulp electrolysis leaching equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017031949A1 (en) | 2017-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101613803B (en) | Method for recovering lead from lead paste of waste lead-acid battery | |
| CN102766765B (en) | Zinc oxide powder recycling method | |
| CN102560535B (en) | Method for recovering lead in waste lead-acid storage battery filler by using wet process | |
| CN108899601A (en) | A method of recycling lithium from LiFePO4 | |
| CN102363522B (en) | Technology for extracting selenium from low-grade selenium-containing material | |
| CN103086405A (en) | Clean production method of battery level lithium carbonate | |
| CN102260795A (en) | Method for directly producing electrolytic nickel by using copper nickel renewable resources | |
| CN102206750A (en) | Method for recovering lead from lead-containing material by matching leaching-electrowinning method | |
| CN105063354A (en) | Cascade recovery method of arsenic-containing and antimony-containing refractory gold ore | |
| CN103667720A (en) | Method for recovering zinc, indium, iron, and lead from high-iron zinc oxide mixture smelted with zinc | |
| CN103695636A (en) | Preparation method of electrolytic manganese dioxide | |
| CN112708777B (en) | Method for recovering zinc sulfate from zinc-containing waste | |
| CN104862484A (en) | Method for extracting antimony from lead anode slime | |
| CN104711426B (en) | A kind of useless methods of the target through reducing electroextraction indium tin of ITO | |
| CN103710541A (en) | Wet process for producing electrolytic manganese dioxide | |
| CN105039691A (en) | Method for leaching low-grade lead-zinc oxide ores through electrooxidation and leaching device of method | |
| CN106587110B (en) | A kind of method for removing dedusting ash and extracting residual heavy metal ion during sylvite | |
| CN104532295A (en) | Recycling technology for valuable metals in electrolytic zinc leach residues and electrolytic cell adopted by same | |
| CN109957655A (en) | A kind of give up from ITO extracts the process of indium and tin in target | |
| CN106282569A (en) | A kind of copper-cadmium slag puies forward the method for cadmium residue resource reclaim | |
| CN101693554A (en) | Method for extracting vanadium pentoxide from stone coal ores | |
| CN101871045B (en) | Method for producing zinc by utilizing sulphate process titanium dioxide waste acid | |
| CN109797288A (en) | A kind for the treatment of process of tin metallurgy sulphur slag | |
| CN105018726B (en) | A kind of lead zinc mineral intergrowth processing method | |
| CN104120253A (en) | Leaching method of complex zinc calcined ores |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |