CN107217146A - The method containing Zn scrap returns of processing - Google Patents
The method containing Zn scrap returns of processing Download PDFInfo
- Publication number
- CN107217146A CN107217146A CN201710262293.4A CN201710262293A CN107217146A CN 107217146 A CN107217146 A CN 107217146A CN 201710262293 A CN201710262293 A CN 201710262293A CN 107217146 A CN107217146 A CN 107217146A
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- China
- Prior art keywords
- processing
- scrap returns
- zinc
- lead
- scrap
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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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- 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
- C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
-
- 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
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses method of the processing containing Zn scrap returns, including：Described the superpower oxidation processes of flash will be carried out containing Zn scrap returns, it is impurity cured to make, obtain mineral waste；The mineral waste is subjected to fine grinding and processing of sizing mixing, to obtain ore pulp；The ore pulp is subjected to acidleach processing and filtered, to obtain filtrate containing zinc and lead-rich slag.The method containing Zn scrap returns is handled by using the present invention, the rate of recovery of zinc and lead can be significantly improved, and then improve the comprehensive resource utilization rate containing Zn scrap returns, and contamination-free is produced in processing procedure, it can effectively solve the problems, such as that the smelting performance run into during comprehensive utilization containing Zn scrap returns is poor, high energy consumption and recovery rate of valuable metals are low, there may be the Key Common Technologies such as pernicious gas for leaching process.
Description
Technical field
The invention belongs to metallurgical technology field, in particular to method of the processing containing Zn scrap returns.
Background technology
It is the important secondary resource of zinc in Lead-Zinc Sintering Process containing Zn scrap returns, is mainly derived from the oxygen of rotary kiln evaporation output
Change the oxide powder and zinc of zinc powder, lead smelting system clinker Jing Guo fuming furnace technology output, its property variation, generally existing contains zinc
Low, impure fluorine, chlorine, arsenic, antimony, germanium are high, material hydrophobicity relatively strong and leaching process there may be the problems such as toxic and harmful gas,
Cause the metal recovery rate of Leaching Zinc containing Zn scrap returns relatively low and production system can not be direct plungeed into use.At present, at most of producers
Managing the technological process containing Zn scrap returns is：Multiple hearth furnace roasting pretreatment removal of impurity fluorine, chlorine, then carry out one section of neutral leaching and two first
Two sections of extract technologies of section acidic leaching.But the technique is present, and high energy consumption, work situation be poor, effect on environment is than larger, production
Cost is high, the low shortcoming of zinc recovery.Therefore, method of the processing containing Zn scrap returns is further improved.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of method of the processing containing Zn scrap returns, to solve the smelting run into containing Zn scrap returns during comprehensive utilization
Refine poor performance, high energy consumption and the low Key Common Technologies problem of recovery rate of valuable metals.
According to an aspect of the present invention, the present invention proposes a kind of method of the processing containing Zn scrap returns, including：
Described the superpower oxidation processes of flash will be carried out containing Zn scrap returns, it is impurity cured to make, obtain mineral waste；
The mineral waste is subjected to fine grinding and processing of sizing mixing, to obtain ore pulp；
The ore pulp is subjected to acidleach processing and filtered, to obtain filtrate containing zinc and lead-rich slag.
The present invention is to make the objectionable impurities solidification containing in Zn scrap returns rapidly under superpower oxidizing condition, is formed more stable
Mineral waste, and then suppress impurity dissolution in acidleach processing procedure so that purified containing Zn scrap returns.Specifically, zinc will be contained
Waste material is carried out after the superpower oxidation processes of flash first, then passes through fine grinding and processing of sizing mixing, and finally carries out acidleach processing simultaneously to ore pulp
Filtering, finally gives filtrate containing zinc and lead-rich slag, wherein, filtrate containing zinc and lead-rich slag can be respectively as zinc metallurgy raw materials and refining lead
Raw material.Thus, the method containing Zn scrap returns is handled by using the present invention, the rate of recovery of zinc and lead, Jin Erti can be significantly improved
The high comprehensive resource utilization rate containing Zn scrap returns, and contamination-free is produced in processing procedure, can effectively be solved containing Zn scrap returns in synthesis
The smelting performance that is run into during utilization is poor, high energy consumption and recovery rate of valuable metals are low, there may be harmful gas for leaching process
The Key Common Technologies problem such as body.
Method of the processing containing Zn scrap returns according to the above embodiment of the present invention can also have technical characteristic additional as follows：
In some embodiments of the invention, the content containing the zinc in Zn scrap returns is 12-26%, and the content of lead is 5-8 weights
Measure %.Thus, it is possible to be 12-26% effectively for Zn content, lead content is handled for 5-8 weight %'s containing Zn scrap returns.
In some embodiments of the invention, the superpower oxidation processes of flash are carried out in pure oxygen atmosphere and Strong oxdiative solution
's.Thus, it is possible to further improve the efficiency of the superpower oxidation processes of flash.
In some embodiments of the invention, the processing time of the superpower oxidation processes of flash is 10-60 seconds.
In some embodiments of the invention, the pressure of pure oxygen atmosphere is 0.1-0.25Mpa.Thus, it is possible to further carry
The efficiency of the high superpower oxidation processes of flash.
In some embodiments of the invention, Strong oxdiative solution is the mixed solution of hydrogen peroxide and liquor potassic permanganate.By
This, can effectively improve the oxidation susceptibility of Strong oxdiative solution, and then improve the efficiency of the superpower oxidation processes of flash.
In some embodiments of the invention, the concentration of hydrogen peroxide is 40-80%, and the concentration of liquor potassic permanganate is 0.1-
1g/L.Thus, it is possible to further improve the efficiency of the superpower oxidation processes of flash.
In some embodiments of the invention, mineral waste carries out fine grinding and processing of sizing mixing obtains granularity and is not more than 50 microns
Ore pulp.Thus, it is possible to effectively improve the efficiency of follow-up acidleach processing.
In some embodiments of the invention, acidleach processing is in 100-210g/L initial acidity and 35-55 degrees Celsius
At a temperature of carry out 30-125 minute completion.Thus, it is possible to further improve the efficiency of acidleach processing.
In some embodiments of the invention, the endpoint pH of acidleach processing is 5-6.Thus, it is possible to make the zinc in ore pulp
Leach complete.
In some embodiments of the invention, the concentration of zinc ion is 110-158g/L, the lead-rich slag in filtrate containing zinc
Middle lead content is 23-27 weight %.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the flow chart of method of the processing containing Zn scrap returns according to an embodiment of the invention.
Fig. 2 is the flow chart of method of the processing containing Zn scrap returns according to another embodiment of the invention
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
According to an aspect of the present invention, the present invention proposes a kind of method of the processing containing Zn scrap returns, including：Zinc will be contained to give up
Material carries out the superpower oxidation processes of flash, impurity cured to make, and obtains mineral waste；Mineral waste is subjected to fine grinding and place of sizing mixing
Reason, to obtain ore pulp；Ore pulp is subjected to acidleach processing and filtered, to obtain filtrate containing zinc and lead-rich slag.
The present invention is to make the objectionable impurities solidification containing in Zn scrap returns rapidly under superpower oxidizing condition, is formed more stable
Mineral waste, and then suppress impurity dissolution in acidleach processing procedure so that purified containing Zn scrap returns.Specifically, zinc will be contained
Waste material is carried out after the superpower oxidation processes of flash first, then passes through fine grinding and processing of sizing mixing, and finally carries out acidleach processing simultaneously to ore pulp
Filtering, finally gives filtrate containing zinc and lead-rich slag, wherein, filtrate containing zinc and lead-rich slag can be respectively as zinc metallurgy raw materials and refining lead
Raw material.Thus, the method containing Zn scrap returns is handled by using the present invention, the rate of recovery of zinc and lead, Jin Erti can be significantly improved
The high comprehensive resource utilization rate containing Zn scrap returns, and contamination-free is produced in processing procedure, can effectively be solved containing Zn scrap returns in synthesis
The smelting performance that is run into during utilization is poor, high energy consumption and recovery rate of valuable metals are low, there may be harmful gas for leaching process
The Key Common Technologies problem such as body.
The method of the processing containing Zn scrap returns of the above embodiment of the present invention is described in detail below with reference to Fig. 1.
S100：The superpower oxidation processes of flash
Embodiments in accordance with the present invention, will contain Zn scrap returns and carry out the superpower oxidation processes of flash, impurity cured to make, and obtain
Mineral waste.Inventor has found, by that can make containing harmful in Zn scrap returns to carrying out the superpower oxidation processes of flash containing Zn scrap returns
Impurity forms more stable mineral shape, and effectively suppresses impurity and leached in acidleach processing procedure, and then after effectively improving
The grade of zinc in filtrate containing zinc obtained by continuous acidleach processing.According to the specific example of the present invention, inventor is to the superpower oxygen of flash
The mineral waste that change processing is obtained carries out weak acid scrubbing failure test, has no the dissolution of objectionable impurities elements and valuable metal zinc.
Thus, by carrying out the superpower oxidation of flash containing Zn scrap returns, can effectively solidify objectionable impurities and suppress harmful miscellaneous in the present invention
The dissolution of matter in acid condition, and then the content of impurity in finished product filtrate containing zinc is significantly reduced, improve zinc in filtrate containing zinc
Grade.
According to a particular embodiment of the invention, rotary kiln evaporation output is stemmed primarily from containing Zn scrap returns handled by the present invention
Oxide powder and zinc Jing Guo fuming furnace technology output of zinc oxide, lead smelting system clinker, the wherein content of zinc is 12-26%, lead
Content be 5-8 weight %.Therefore, the characteristics of Zn scrap returns have zinc, low lead grade, high impurity is contained handled by the present invention.
According to a particular embodiment of the invention, the superpower oxidation processes of flash are carried out in pure oxygen atmosphere and Strong oxdiative solution
Complete within 10-60 seconds.Inventor has found, to containing Zn scrap returns under the dual superpower oxidizing condition of pure oxygen atmosphere and Strong oxdiative solution
Aoxidized, it is only necessary to can effectively solidify objectionable impurities within 10-60 seconds.Therefore by carrying out the superpower oxygen of flash in advance containing Zn scrap returns
Change processing can significantly improve treatment effeciency, and effectively solidify objectionable impurities.
According to a particular embodiment of the invention, the type of the pressure of pure oxygen atmosphere and Strong oxdiative solution is not limited especially
System, for example, the pressure of pure oxygen atmosphere can be 0.1-0.25Mpa；Strong oxdiative solution can be hydrogen peroxide and liquor potassic permanganate
Mixed solution.Thus, it is possible to be carried when significantly increasing the superpower oxidation processes of flash to the oxidation effectiveness containing Zn scrap returns, and further
The efficiency of the high superpower oxidation processes of flash.Further, Strong oxdiative solution can be the hydrogen peroxide and concentration that concentration is 40-80%
For the mixed solution of 0.1-1g/L liquor potassic permanganate, thus, it is possible to further enhance the oxidation susceptibility of Strong oxdiative solution, enter
And improve the efficiency of the superpower oxidation processes of flash.
According to the specific example of the present invention, inventor using the pure oxygen atmosphere and Strong oxdiative solution of above-mentioned pressure to being dodged
The mineral waste that the superpower oxidation processes of speed are obtained carries out weak acid scrubbing failure test, has no objectionable impurities elements and valuable metal zinc
Dissolution.Thus illustrate effectively solidify containing harmful miscellaneous in Zn scrap returns by using the superpower oxidation processes condition of above-mentioned flash
Matter, so as to suppress the dissolution of objectionable impurities in acid condition, significantly reduces the content of impurity in finished product filtrate containing zinc, improves
The grade of zinc in filtrate containing zinc.
S200：Fine grinding and processing of sizing mixing
Embodiments in accordance with the present invention, carry out fine grinding and processing of sizing mixing, to obtain ore pulp by mineral waste.Thus, originally
Invention can significantly improve the efficiency of follow-up acidleach processing by carrying out washing fine grinding and processing of sizing mixing to mineral waste, and make
Zinc in mineral waste can be leached fully.
According to a particular embodiment of the invention, mineral waste can be subjected to fine grinding and processing of sizing mixing obtains granularity and is not more than
50 microns of ore pulp.Thus, it is possible to the effectively specific surface area of increase mineral waste, and then effectively improve the effect of follow-up acidleach processing
Rate.
S300：Acidleach is handled and filtered
Embodiments in accordance with the present invention, carry out acidleach processing by ore pulp and filter, to obtain filtrate containing zinc and lead-rich slag.
Thus, it is possible to allow the zinc in ore pulp fully to leach, and finally give the relatively low filtrate containing zinc of impurity content and lead content compared with
High lead-rich slag.
According to a particular embodiment of the invention, acidleach processing is carried out to ore pulp in leaching device, wherein, in acidleach processing
The type of acid is not particularly restricted, it is for instance possible to use dilute sulfuric acid carries out acidleach processing to ore pulp.
According to a particular embodiment of the invention, what acidleach was handled can take the photograph in 100-210g/L initial acidity and 35-55
Carry out completing for 30-125 minutes at a temperature of family name's degree.Thus, it is possible to effectively improve the efficiency of acidleach processing.According to the tool of the present invention
Body embodiment, the endpoint pH of acidleach processing is 5-6, thus, it is possible to further improve the leaching rate of zinc in ore pulp.
Acidleach processing is carried out to ore pulp under above-mentioned acidleach treatment conditions and filtered, filtrate containing zinc and richness can be finally given
Lead skim.
According to the specific example of the present invention, Zn in obtained filtrate containing zinc i.e. leachate2+Concentration be 110-158g/L, Fe
Concentration be 0.23-1g/L, Fe2+Concentration be 0.15-0.70g/L, F-Concentration be 60-140mg/L, Cl-Concentration be
130-300mg/L, As concentration are 0.7-25mg/L, and Sb concentration is 1.2-15mg/L, and Ge concentration is 0.5-7mg/L, Co
Concentration in below 10mg/L, Ni concentration is in below 15mg/L.Impurity content is relatively low in filtrate containing zinc, and zinc has obtained effective richness
Collection, can enter zinc abstraction system after purification as zinc metallurgy raw material.In addition, the content of lead is also from 5-8 weights in lead-rich slag
Amount % is enriched to 23-27 weight %.Lead-rich slag can be handled further across washing and press filtration, obtain filtrate and high-grade lead
Slag, filtrate can enter zinc abstraction system and be used to reclaim zinc, and high-grade lead skim can then enter refining lead system as refining leady raw materialses.
Thus, by containing Zn scrap returns carry out the superpower oxidation processes of flash and fine grinding and size mixing handle after carry out acidleach again
Processing, can not only significantly reduce the content of impurity in acidleach processing leachate, improve the grade of zinc in leachate, also improve
The content and grade of lead in leached mud.Therefore using the above embodiment of the present invention method of the processing containing Zn scrap returns, can to containing
Zinc and lead in Zn scrap returns are effectively reclaimed, and significantly improve the resource utilization containing Zn scrap returns.
Embodiment 1
With reference to Fig. 2 to being handled containing Zn scrap returns.Specifically, it will be dodged containing zinc for 18.5% containing Zn scrap returns by 32 seconds
Speed, 0.2Mpa pure oxygens, 65%H2O2Handled under the superpower oxidizing condition of+0.25g/L potassium permanganate, the solidification after being handled
Mineral waste, mineral waste is finely ground to more than -280 mesh after washing and sized mixing obtains ore pulp, and ore pulp passes through delivery pump pump
Enter leaching tanks and carry out leaching operation, it is 198g/L to control to leach original acidity, and processing temperature is 40 DEG C, and the activity duration is 45min,
Endpoint pH control Zn in 5.2, filtrate containing zinc2+Concentration is 112g/L, F-Concentration is 73mg/L, Cl-Concentration is 148mg/L,
Fe concentration is 0.57g/L, Fe2+Concentration is 0.39g/L, and Co concentration is in below 10mg/L, and Ni concentration is in below 15mg/L, As concentration
For 0.7-25mg/L, Sb concentration is 1.2-15mg/L, and Ge concentration is the content of lead in 0.62mg/L, lead-rich slag by 7.5% enrichment
To 26.5%.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be combined by personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of method of the processing containing Zn scrap returns, it is characterised in that including：
Described the superpower oxidation processes of flash will be carried out containing Zn scrap returns, it is impurity cured to make, obtain mineral waste；
The mineral waste is subjected to fine grinding and processing of sizing mixing, to obtain ore pulp；
The ore pulp is subjected to acidleach processing and filtered, to obtain filtrate containing zinc and lead-rich slag.
2. method of the processing containing Zn scrap returns according to claim 1, it is characterised in that the zinc containing in Zn scrap returns contains
Measure as 12-26%, the content of lead is 5-8 weight %.
3. method of the processing containing Zn scrap returns according to claim 1, it is characterised in that the superpower oxidation processes of flash are
Carried out in pure oxygen atmosphere and Strong oxdiative solution.
4. method of the processing containing Zn scrap returns according to claim 3, it is characterised in that the superpower oxidation processes of flash
Processing time is 10-60 seconds.
5. method of the processing containing Zn scrap returns according to claim 4, it is characterised in that the pressure of the pure oxygen atmosphere is
0.1-0.25Mpa。
6. method of the processing containing Zn scrap returns according to claim 5, it is characterised in that the Strong oxdiative solution is hydrogen peroxide
With the mixed solution of liquor potassic permanganate,
Optionally, the concentration of the hydrogen peroxide is 40-80%, and the concentration of the liquor potassic permanganate is 0.1-1g/L.
7. method of the processing containing Zn scrap returns according to claim 1, it is characterised in that the mineral waste is subjected to fine grinding
Processing obtains the ore pulp that granularity is not more than 50 microns with sizing mixing.
8. method of the processing containing Zn scrap returns according to claim 1, it is characterised in that the acidleach processing is in 100-
Completion in 30-125 minute is carried out at a temperature of 210g/L initial acidity and 35-55 degrees Celsius.
9. method of the processing containing Zn scrap returns according to claim 8, it is characterised in that the endpoint pH of the acidleach processing
For 5-6.
10. method of the processing containing Zn scrap returns according to claim 1, it is characterised in that zinc ion in the filtrate containing zinc
Concentration be 110-158g/L, lead content is 23-27 weight % in the lead-rich slag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262293.4A CN107217146A (en) | 2017-04-20 | 2017-04-20 | The method containing Zn scrap returns of processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262293.4A CN107217146A (en) | 2017-04-20 | 2017-04-20 | The method containing Zn scrap returns of processing |
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| Publication Number | Publication Date |
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| CN107217146A true CN107217146A (en) | 2017-09-29 |
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ID=59943601
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| CN201710262293.4A Pending CN107217146A (en) | 2017-04-20 | 2017-04-20 | The method containing Zn scrap returns of processing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402406A (en) * | 2018-12-26 | 2019-03-01 | 湖南稀土金属材料研究院 | The method of valuable metal is recycled from zinc anode sludge |
| CN115261636A (en) * | 2022-09-06 | 2022-11-01 | 昆明冶金研究院有限公司 | Method for preparing metal zinc by directly leaching zinc sulfide concentrate in short process |
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| CN1477216A (en) * | 2002-08-24 | 2004-02-25 | 祥云县飞龙实业有限责任公司 | Zinc sulfide concentrate calcines and zinc ide ore combined leaching process |
| CN101787439A (en) * | 2010-03-02 | 2010-07-28 | 邓彤 | Method for recovering valuable metals from metallurgical waste |
| CN103627911A (en) * | 2013-12-09 | 2014-03-12 | 株洲冶炼集团股份有限公司 | Treatment process for high-iron zinc oxide |
| CN103866120A (en) * | 2014-03-25 | 2014-06-18 | 长沙有色冶金设计研究院有限公司 | Method for leaching zinc and recovering valuable metals through carrying out pressurized oxidation on zinc sulfide concentrates |
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2017
- 2017-04-20 CN CN201710262293.4A patent/CN107217146A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1477216A (en) * | 2002-08-24 | 2004-02-25 | 祥云县飞龙实业有限责任公司 | Zinc sulfide concentrate calcines and zinc ide ore combined leaching process |
| CN101787439A (en) * | 2010-03-02 | 2010-07-28 | 邓彤 | Method for recovering valuable metals from metallurgical waste |
| CN103627911A (en) * | 2013-12-09 | 2014-03-12 | 株洲冶炼集团股份有限公司 | Treatment process for high-iron zinc oxide |
| CN103866120A (en) * | 2014-03-25 | 2014-06-18 | 长沙有色冶金设计研究院有限公司 | Method for leaching zinc and recovering valuable metals through carrying out pressurized oxidation on zinc sulfide concentrates |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402406A (en) * | 2018-12-26 | 2019-03-01 | 湖南稀土金属材料研究院 | The method of valuable metal is recycled from zinc anode sludge |
| CN109402406B (en) * | 2018-12-26 | 2020-11-03 | 湖南稀土金属材料研究院 | Method for recovering valuable metal from zinc anode mud |
| CN115261636A (en) * | 2022-09-06 | 2022-11-01 | 昆明冶金研究院有限公司 | Method for preparing metal zinc by directly leaching zinc sulfide concentrate in short process |
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Application publication date: 20170929 |