CN105903561B - Method for recovering manganese from cobalt-manganese multi-metal oxidized ore - Google Patents
Method for recovering manganese from cobalt-manganese multi-metal oxidized ore Download PDFInfo
- Publication number
- CN105903561B CN105903561B CN201610237988.2A CN201610237988A CN105903561B CN 105903561 B CN105903561 B CN 105903561B CN 201610237988 A CN201610237988 A CN 201610237988A CN 105903561 B CN105903561 B CN 105903561B
- Authority
- CN
- China
- Prior art keywords
- manganese
- cobalt
- flotation
- collecting agent
- solution
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for recovering manganese from cobalt-manganese multi-metal oxide ores, belonging to the field of comprehensive utilization of cobalt-manganese multi-metal ores. Carrying out wet reduction pretreatment on cobalt-manganese multi-metal oxide ores in an ammonia solution by using a reducing agent, chemically dissociating and activating manganese ores and impurity minerals, and then separating and recovering manganese through strong magnetic separation and flotation to obtain manganese concentrate. The method recovers manganese from the cobalt-manganese multi-metal oxide ore by chemical activation and physical ore dressing, and has simple process and low cost.
Description
Technical field
The invention belongs to cobalt manganese polymetallic ore field of comprehensive utilization, are related to one kind and recycle manganese from cobalt manganese multi-metal oxygen ore deposit
Method, pre-processed especially by wet reducing, then ore dressing recycling manganese method.
Background technology
Cobalt manganese multi-metal oxygen ore deposit refers to the multi-metal complex oxidation rich in a variety of valuable elements such as cobalt, nickel, copper, manganese, iron
Ore deposit is divided into land polymetallic nodules, seabed polymetallic nodules, seabed cobalt bearing crust, seabed cobalt tuberculosis etc., main useful element
Including manganese, nickel, cobalt, copper etc., and the economic value of manganese is maximum.Wherein deep sea polymetallic nodule be based on water iron and manganese oxides,
The a large amount of copper of association, cobalt, nickel and rare earth, dilute scattered valuable metal, belong to 21 century most extraction value oceanic mineral resources it
One, it is distributed mainly on the ocean submarine surface that the Pacific Ocean, the Atlantic Ocean and the Indian Ocean depth of water are 2000~6000m, rich reserves.It is deep
Extra large cobalt bearing crust also belongs to one kind using ferrimanganic hydrous oxide as main submarine metallic ore object as polymetallic nodules；But
Unlike polymetallic nodules, cobalt bearing crust cobalt content is high, reaches as high as more than 1.5%, and copper, nickel content are relatively low, due to
Its essential mineral is iron and manganese oxides, so also known as rich cobalt type Ferromanganese Crustss.But due to the manganese mineral and arteries and veins in cobalt manganese polymetallic ore
The close symbiosis of the impure minerals such as stone, direct physical upgrading can not separation and concentration, presently disclosed research method is all by direct
Recycling manganese is smelted, is roughly divided into pyrometallurgical smelting and hydrometallurgy.Pyrometallurgical smelting mainly by cobalt manganese polymetallic ore at high temperature into
Nickel, cobalt, copper reduction are entered alloy by row reduction melting, and manganese is reduced into smelting slag, due to using high-temperature fusion also
Original, high energy consumption, and manganese fail to detach with gangue mineral impurity, cause the manganese content in clinker low, influence following process.Wet method smelting
Refining is then to recycle manganese from cobalt manganese polymetallic ore in the method for acidic leaching, but during acidleach, the metals such as nickel, cobalt, copper and manganese simultaneously by
The methods of being leached into solution, leading to beavy metal impurity content height in manganese leachate, need through precipitation, extraction and separation is advance
These impurity are removed, then carbonization precipitation recycling manganese, the synthetical recovery flow of manganese is complicated, of high cost.
Invention content
The object of the present invention is to provide one kind using cobalt manganese multi-metal oxygen ore deposit as raw material, short route, inexpensive synthetical recovery
The method of manganese.
The invention is realized by the following technical scheme.
The method that manganese is recycled from cobalt manganese multi-metal oxygen ore deposit, cobalt manganese multi-metal oxygen ore deposit is added in ammonia solution and is stirred
It mixes, and adds in reducing agent and carry out wet reducing pretreatment, then separation of solid and liquid, obtains slag containing manganese and solution after pretreatment, will contain manganese
Slag ore dressing obtains manganic concerntrate.The ammonia solution is in ammonia-sal volatile, ammonia-ammonia sulfate solution or ammonia-ammonium chloride solution
One or more mixtures, the reducing agent is sulfur dioxide, one or more in carbon monoxide, cuprous salt.
The method that manganese is recycled in the slave cobalt manganese multi-metal oxygen ore deposit of the present invention, the ore dressing are one in high intensity magnetic separation and flotation
Kind or two kinds of combination, preferably direct flotation.
The method that manganese is recycled in the slave cobalt manganese multi-metal oxygen ore deposit of the present invention, the direct flotation, process are：Contain by described in
Manganese slag is mixed with suitable quantity of water, regulator, inhibitor, collecting agent and is sized mixing, and then carries out flotation, the froth pulp of flotation output is through solid
The isolated manganic concerntrate of liquid.The regulator can be sodium carbonate or sulfuric acid, and the inhibitor is waterglass, tannin, carboxymethyl are fine
One or more in dimension element, the collecting agent is fatty-acid collector, in hydrocarbyl sulfonic collecting agent, sodium alkyl sulfate collecting agent
It is one or more.
The present invention slave cobalt manganese multi-metal oxygen ore deposit in recycle manganese method, the collecting agent for oxidized paraffin wax soap, oleic acid,
It is one or more in lauryl sodium sulfate.
The combination of two kinds of the method that manganese is recycled in the slave cobalt manganese multi-metal oxygen ore deposit of the present invention, the high intensity magnetic separation and flotation,
Refer to after the slag containing manganese is sized mixing with water, with intensity magnetic separator roughing, obtained magnetic product is magnetic concentrate, then by magnetic separation
Concentrate is mixed with suitable quantity of water, regulator, inhibitor, collecting agent and is sized mixing, then carries out flotation, and the froth pulp of flotation output is through solid-liquid
Isolated manganic concerntrate.The regulator can be sodium carbonate or sulfuric acid, and the inhibitor is waterglass, tannin, carboxymethyl cellulose
In it is one or more, the collecting agent is fatty-acid collector, hydrocarbyl sulfonic collecting agent, one in sodium alkyl sulfate collecting agent
Kind is a variety of.
The method that manganese is recycled in the slave cobalt manganese multi-metal oxygen ore deposit of the present invention, the addition of the regulator for 0.8~
2.4kg/t slags, the addition of the inhibitor is 1.8~2.8kg/t slags, and the addition of the collecting agent is 0.5~2.5kg/t
Slag.
The present invention slave cobalt manganese multi-metal oxygen ore deposit in recycle manganese method, the solution after pretreatment through extraction and recovery wherein
The valuable elements such as nickel, cobalt, copper, raffinate returns to wet reducing pretreatment process and recycles.
The method that manganese is recycled in the slave cobalt manganese multi-metal oxygen ore deposit of the present invention, the cobalt manganese multi-metal oxygen ore deposit are more for seabed
It is one or more in metal nodule, pelagite, seabed cobalt bearing crust, seabed cobalt tuberculosis, land manganese nodule, earthy cobalt.
The method that manganese is recycled in the slave cobalt manganese multi-metal oxygen ore deposit of the present invention, is by will be in ore in ammonia solution
Tetravalent manganese is reduced into divalent, forms sub- manganese precipitation, so as to fulfill the dissociation with the impure minerals such as gangue, so as to for Mineral separation and
Enrichment manganese creates conditions.The advantage of this method is：(1) using wet chemistry reduction pretreatment, manganese mineral and impurity can be made
Mineral disaggregation is thorough, the good separating effect of manganese；(2) preprocessing process can remove the heavy metals such as nickel, cobalt, the copper in ore and have simultaneously
Evil impurity, and can realize synthetical recovery；(3) flow is simple, at low cost, and manganese recovery ratio is high, manganic concerntrate good product quality.
Description of the drawings
Attached drawing 1 is the principle process flow chart of the method for the present invention.
Specific embodiment
Further explanation is made to the present invention below in conjunction with attached drawing 1.
From cobalt manganese multi-metal oxygen ore deposit recycle manganese method, by cobalt manganese multi-metal oxygen ore deposit be added to total ammonia density 60~
It is stirred in 160g/L ammonia solutions, adds in suitable sulfur dioxide or carbon monoxide or cuprous salt in ore pulp after mixing
Reducing agents is waited to react 0.5~4h, separation of solid and liquid obtains slag containing manganese and solution after pretreatment.Solution after pretreatment through extraction and separation nickel,
It returns to reduction pretreatment after the valuable elements such as cobalt, copper to use, slag containing manganese utilizes high intensity magnetic separation, flotation or both combined recovery manganese.When
Be configured to 15%~45% ore pulp when recycling manganese using flotation, then add in 0.8~2.4kg/t of regulator slags, inhibitor 1.8~
2.8kg/t slags, collecting agent 0.5~2.5kg/t slags, the flotation in flotation device obtain manganese essence after froth pulp separation of solid and liquid
Ore deposit.
In force, it can also be the combination of two kinds of high intensity magnetic separation and flotation, i.e., after the slag containing manganese is sized mixing with water, with strong
Magnetic separator roughing, obtained magnetic product is magnetic concentrate, then by magnetic concentrate and suitable quantity of water, regulator, inhibitor, collecting
Agent mixing is sized mixing, then carry out flotation, and the froth pulp of flotation output obtains manganic concerntrate through separation of solid and liquid.
The regulator can be sodium carbonate or sulfuric acid, and the inhibitor is waterglass, one kind in tannin, carboxymethyl cellulose
Or it is a variety of, the collecting agent is fatty-acid collector, hydrocarbyl sulfonic collecting agent, one kind in sodium alkyl sulfate collecting agent or more
Kind.
The method of the present invention is further described with following nonlimiting examples, to help to understand the present invention's
Content and its advantage, and not as limiting the scope of the present invention, protection scope of the present invention is determined by claims.
Embodiment 1
Cobalt manganese multi-metal oxygen ore deposit is added in total ammonia density 120g/L ammonia-sal volatile and is stirred, after mixing
Appropriate cuprous salt is added in ore pulp and is passed through Carbon monoxide reduction processing 4h, separation of solid and liquid, after obtaining slag containing manganese and pretreatment
Liquid.Solution after pretreatment returns to reducing leaching use after the valuable elements such as extraction and separation nickel, cobalt, copper, will contain manganese slag and water is added to prepare
Into 35% ore pulp, add in sulfuric acid solution and adjust slurry pH 8~9, add 2.8kg waterglass/t slags, 2.5kg enuatrols/t
Slag, stirring enters flotation device after 5 minutes, through primary election manganic concerntrate yield 63.4%, manganese content 37.2%, a total iron content
1.5%.
Embodiment 2
Cobalt manganese multi-metal oxygen ore deposit is added in total ammonia density 80g/L ammonia-ammonia sulfate solution and is stirred, is existed after mixing
Appropriate cuprous salt is added in ore pulp and is passed through Carbon monoxide reduction processing 2h, separation of solid and liquid obtains slag containing manganese and solution after pretreatment.
Solution after pretreatment returns to reducing leaching use after the valuable elements such as extraction and separation nickel, cobalt, copper, will contain manganese slag and water is added to be configured to
35% ore pulp adds in sulfuric acid solution and adjusts slurry pH 8~9, adds 2.8kg waterglass/t slags, 2.5kg enuatrols/t slags,
Stirring enters flotation device after five minutes, through primary election manganic concerntrate yield 62.6%, manganese content 35.9%, a total iron content 1.3%.
Embodiment 3
Cobalt manganese multi-metal oxygen ore deposit is added in total ammonia density 60g/L ammonia-ammonia sulfate solution and is stirred, is existed after mixing
Appropriate cuprous salt is added in ore pulp and is passed through Carbon monoxide reduction processing 4h, separation of solid and liquid obtains slag containing manganese and solution after pretreatment.
Solution after pretreatment returns to reducing leaching use after the valuable elements such as extraction and separation nickel, cobalt, copper, will contain manganese slag and water is added to be configured to
35% ore pulp adds in sulfuric acid solution and adjusts slurry pH 8~9, adds 2.8kg waterglass/t slags, 2.5kg dodecyl sulphates
Sodium/t slags, stirring enters flotation device after five minutes, through primary election manganic concerntrate yield 61.4%, manganese content 35.5%, a total iron content
1.2%.
Embodiment 4
Cobalt manganese multi-metal oxygen ore deposit is added in total ammonia density 60g/L ammonia-sal volatile and is stirred, is existed after mixing
Appropriate cuprous salt is added in ore pulp and is passed through Carbon monoxide reduction processing 2h, separation of solid and liquid obtains slag containing manganese and solution after pretreatment.
Solution after pretreatment returns to reducing leaching use after the valuable elements such as extraction and separation nickel, cobalt, copper, will contain manganese slag and water is added to be configured to
35% ore pulp adds in sulfuric acid solution and adjusts slurry pH 8~9, adds 2.8kg carboxymethyl celluloses/t slags, 2.5kg enuatrols/t
Slag, stirring enters flotation device after 5 minutes, through primary election manganic concerntrate yield 62.3%, content 36.1%, a total iron content
1.2%.
Embodiment 5
Cobalt manganese multi-metal oxygen ore deposit is added in total ammonia density 100g/L ammonia-sal volatile and is stirred, after mixing
Appropriate cuprous salt is added in ore pulp and is passed through Carbon monoxide reduction processing 2h, separation of solid and liquid, after obtaining slag containing manganese and pretreatment
Liquid.Solution after pretreatment returns to reducing leaching use after the valuable elements such as extraction and separation nickel, cobalt, copper, will contain manganese slag and carry out wet type
Then obtained high intensity magnetic mineral is added water to be configured to 35% ore pulp by high intensity magnetic separation, add in sulfuric acid solution and adjust slurry pH 8~9, then
2.8kg waterglass/t slags, 2.5kg enuatrols/t slags are added in, stirring enters flotation device after five minutes, and manganese essence is obtained through a flotation
Mineral products rate 52.1%, manganese content 39.2%, total iron content 0.5%.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (7)
1. the method for manganese is recycled from cobalt manganese multi-metal oxygen ore deposit, it is characterised in that：Cobalt manganese multi-metal oxygen ore deposit is added to ammonia
Property solution in stir, and add in reducing agent and carry out wet reducing pretreatment, the tetravalent manganese in ore is reduced into divalent, is formed sub-
Manganese precipitates, and then separation of solid and liquid, obtains slag containing manganese and solution after pretreatment, will contain manganese slag ore dressing and obtain manganic concerntrate；The ore dressing is
The combination of one or both of high intensity magnetic separation and flotation；The flotation is direct flotation, and process is：By the slag containing manganese and in right amount
Water, regulator, inhibitor and collecting agent mixing are sized mixing, and then carry out flotation, the froth pulp of flotation output is obtained through separation of solid and liquid
To manganic concerntrate；The high intensity magnetic separation and the combination of two kinds of flotation be after the slag containing manganese is sized mixing with water, with intensity magnetic separator roughing,
Obtained magnetic product is magnetic concentrate, and magnetic concentrate then is mixed tune with suitable quantity of water, regulator, inhibitor and collecting agent
Slurry, then flotation is carried out, the froth pulp of flotation output obtains manganic concerntrate through separation of solid and liquid.
2. according to the method described in claim 1, it is characterized in that, the ammonia solution is ammonia-sal volatile, ammonia-sulfuric acid
One or more in ammonium salt solution or ammonia-ammonium chloride solution, the reducing agent is sulfur dioxide, in carbon monoxide, cuprous salt
It is one or more.
3. according to the method described in claim 1, it is characterized in that, the regulator can be sodium carbonate or sulfuric acid, the inhibition
Agent is waterglass, one or more in tannin, carboxymethyl cellulose, and the collecting agent is fatty-acid collector, hydrocarbyl sulfonic
It is one or more in collecting agent, sodium alkyl sulfate collecting agent.
4. according to the method described in claim 3, it is characterized in that, the collecting agent is oxidized paraffin wax soap, oleic acid, dodecyl
It is one or more in sodium sulphate.
5. according to the method described in claim 1, it is characterized in that, the addition of the regulator be 0.8~2.4kg/t slags,
The addition of the inhibitor is 1.8~2.8kg/t slags, and the addition of the collecting agent is 0.5~2.5kg/t slags.
6. according to the method described in claim 1, it is characterized in that, the solution after pretreatment through extraction and recovery nickel therein, cobalt,
Copper valuable element, raffinate return to wet reducing pretreatment process and recycle.
7. according to the method described in claim 1, it is characterized in that, the cobalt manganese multi-metal oxygen ore deposit is the more metal knots in seabed
It is one or more in core, pelagite, seabed cobalt bearing crust, seabed cobalt tuberculosis, land manganese nodule, earthy cobalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610237988.2A CN105903561B (en) | 2016-04-16 | 2016-04-16 | Method for recovering manganese from cobalt-manganese multi-metal oxidized ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610237988.2A CN105903561B (en) | 2016-04-16 | 2016-04-16 | Method for recovering manganese from cobalt-manganese multi-metal oxidized ore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105903561A CN105903561A (en) | 2016-08-31 |
| CN105903561B true CN105903561B (en) | 2018-06-29 |
Family
ID=56747322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610237988.2A Active CN105903561B (en) | 2016-04-16 | 2016-04-16 | Method for recovering manganese from cobalt-manganese multi-metal oxidized ore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105903561B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192274B (en) * | 2021-12-02 | 2022-09-06 | 中南大学 | Manganese ore resource utilization method combining smelting and selecting materials |
| CN115094230B (en) * | 2022-06-23 | 2024-03-08 | 中国地质科学院矿产综合利用研究所 | Method for extracting rare earth, phosphorus and manganese elements from deep sea rare earth-rich sediment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983017A (en) * | 1972-12-01 | 1976-09-28 | Kennecott Copper Corporation | Recovery of metal values from manganese deep sea nodules using ammoniacal cuprous leach solutions |
| CN1126244A (en) * | 1994-10-28 | 1996-07-10 | 北京矿冶研究总院 | Phenol reduction leaching method of manganese oxide ore |
| CN1775971A (en) * | 2005-12-15 | 2006-05-24 | 北京矿冶研究总院 | Mixed ammonia leaching method for deep-sea polymetallic nodule and cobalt-rich crust |
| CN1775966A (en) * | 2005-12-15 | 2006-05-24 | 北京矿冶研究总院 | Deep sea polymetallic nodule autocatalytic reduction ammonia leaching method |
| CN101690910A (en) * | 2009-10-16 | 2010-04-07 | 株洲市湘麒科技开发有限公司 | Method for separating lead and silver from manganese in anode sludge |
| CN101733194A (en) * | 2010-01-21 | 2010-06-16 | 中南大学 | Ore dressing method of low-grade manganese carbonate ore |
-
2016
- 2016-04-16 CN CN201610237988.2A patent/CN105903561B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983017A (en) * | 1972-12-01 | 1976-09-28 | Kennecott Copper Corporation | Recovery of metal values from manganese deep sea nodules using ammoniacal cuprous leach solutions |
| CN1126244A (en) * | 1994-10-28 | 1996-07-10 | 北京矿冶研究总院 | Phenol reduction leaching method of manganese oxide ore |
| CN1775971A (en) * | 2005-12-15 | 2006-05-24 | 北京矿冶研究总院 | Mixed ammonia leaching method for deep-sea polymetallic nodule and cobalt-rich crust |
| CN1775966A (en) * | 2005-12-15 | 2006-05-24 | 北京矿冶研究总院 | Deep sea polymetallic nodule autocatalytic reduction ammonia leaching method |
| CN101690910A (en) * | 2009-10-16 | 2010-04-07 | 株洲市湘麒科技开发有限公司 | Method for separating lead and silver from manganese in anode sludge |
| CN101733194A (en) * | 2010-01-21 | 2010-06-16 | 中南大学 | Ore dressing method of low-grade manganese carbonate ore |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105903561A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhou et al. | Extraction and separation of copper and iron from copper smelting slag: A review | |
| CN106191477B (en) | Method for separating and recovering rare earth from seabed cobalt-manganese multi-metal oxidized ore | |
| CN108998662B (en) | Method for efficiently recovering iron, scandium and aluminum from limonite type laterite-nickel ore | |
| CN101323915B (en) | Method for extracting molybdenum and nickel from molybdenum-nickel ore by full wet method | |
| CN101698904B (en) | Method for extracting sulfide minerals of nonferrous metals and method for recycling sulfur in extracted filtered residues thereof | |
| Randhawa et al. | A brief overview on manganese nodules processing signifying the detail in the Indian context highlighting the international scenario | |
| CN106282535B (en) | Method for recovering manganese by combination of cobalt-manganese multi-metal oxide ore dressing and smelting | |
| CN106048251B (en) | A kind of process of clean and effective processing setting form | |
| CN109321746A (en) | A method of nickel is extracted by copper nickel Whote-wet method | |
| CN104531988B (en) | A kind of recovery process of difficult complex multi-metal ore deposit | |
| CN104480325A (en) | Method for extracting cobalt from cobalt-containing raw material | |
| CN101550483A (en) | Combined flow path processing method of laterite nickel | |
| CN104017991A (en) | Process for efficiently and selectively separating copper in lead copper matte | |
| CN111020176A (en) | Method for combined recovery and utilization of copper-lead-zinc oxygen-sulfur mixed ore through dressing and smelting | |
| CN103060553B (en) | Method for purifying zinc from zinc concentrate | |
| CN105177307A (en) | Method for recycling copper-nickel-cobalt from low grade nickel matte through abrasive flotation separation | |
| CN102757022B (en) | Technology for extracting tellurium product and valuable metal from lead anode slime | |
| CN105903561B (en) | Method for recovering manganese from cobalt-manganese multi-metal oxidized ore | |
| CN105110300B (en) | The method that a kind of compound manganese ore of Containing Sulfur manganese extracts manganese and sulphur | |
| CN104212970A (en) | Method for enrichment and recovery of valuable metals Ni, Cu and Co from tailing sand in Cu-Ni mine | |
| CN110564961B (en) | Method for reducing leached hydrocobaltite | |
| CN102776357A (en) | Method for processing lateritic nickel ore by microwave-ammonia leaching | |
| CN104313336A (en) | Zinc-containing pyrite cinder processing method | |
| CN101530826A (en) | Method for combined treatment of high calcium and magnesium low-grade oxidized lead zinc ore by means of concentration | |
| CN108239701A (en) | A kind of method of lead zinc in high mud carbonate-type lead-zinc of synthetical recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |