CN114453134A - Method for recycling lepidolite ore - Google Patents
Method for recycling lepidolite ore Download PDFInfo
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- CN114453134A CN114453134A CN202210104048.1A CN202210104048A CN114453134A CN 114453134 A CN114453134 A CN 114453134A CN 202210104048 A CN202210104048 A CN 202210104048A CN 114453134 A CN114453134 A CN 114453134A
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- 229910052629 lepidolite Inorganic materials 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004064 recycling Methods 0.000 title claims description 13
- 239000000126 substance Substances 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000498 ball milling Methods 0.000 claims abstract description 18
- 230000005389 magnetism Effects 0.000 claims abstract description 18
- 238000012216 screening Methods 0.000 claims abstract description 16
- 239000012141 concentrate Substances 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 239000010445 mica Substances 0.000 claims abstract description 3
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 3
- 230000006698 induction Effects 0.000 claims description 6
- 238000007885 magnetic separation Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052744 lithium Inorganic materials 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 16
- 238000005188 flotation Methods 0.000 description 12
- 239000003112 inhibitor Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 5
- 229910001947 lithium oxide Inorganic materials 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- RHDUVDHGVHBHCL-UHFFFAOYSA-N niobium tantalum Chemical compound [Nb].[Ta] RHDUVDHGVHBHCL-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical group [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 229910001579 aluminosilicate mineral Inorganic materials 0.000 description 1
- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229910001760 lithium mineral Inorganic materials 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052642 spodumene Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for recovering lepidolite ore, which comprises the following steps: s1, adding the raw material of the iron-lithium-iron-mica ore into a ball mill for ball milling; s2, performing primary screening on the raw materials subjected to ball milling in the step S1, wherein the mesh diameter of the primary screening is 0.8mm, and obtaining screened powder and unscreened powder; s3, removing iron from the sieved powder obtained in the step S2 through weak magnetism, and recovering magnetic substances through strong magnetism to obtain nonmagnetic substances and magnetic substances; the invention simplifies the flow and reduces the operation cost. The grinding and recleaning technology after the lepidolite concentrate is graded better meets the requirement of smelting on the fineness of the lepidolite, the lithium resource is efficiently recycled, and the comprehensive benefit is increased.
Description
Technical Field
The invention relates to the technical field of ore grinding, in particular to a method for recovering lepidolite ore.
Background
Lithium is a very important basic raw material for the new energy industry. The lithium resource is mainly from spodumene ore and lepidolite ore, and the mining grade is generally 0.5 percent of lithium. For the lepidolite ore, the lepidolite ore exists mostly in the form of associated resources and is widely present in tantalum-niobium ore bodies. Lepidolite has a fatal defect that it is flaky and is difficult to be finely ground.
The lepidolite is the most common lithium mineral and is an important mineral for extracting lithium. It is a potassium and lithium based aluminosilicate mineral, which belongs to one of mica minerals. Lepidolite is generally produced only in granite pegmatite, is purple and pink in color, can be light to colorless, and has pearl luster. Lithium is the lightest metal. At present, the lepidolite is used as a raw material to smelt the lithium carbonate, the consumption of the lepidolite is large, particularly, the rapid development of new energy industry increases the demand on lithium resources increasingly, the development of lithium resource recovery is accelerated, and in the existing mineral separation technology of the lepidolite, the phenomenon of grinding and argillization exists, the recovery rate of lithium oxide is not high, and the recovery rate is generally 65-70%.
In order to improve the beneficiation effect of the lepidolite, a plurality of patents are based on flotation reagents to solve the problem of the flotation process. Patent application No. 201710322482.6 discloses a lepidolite flotation method. Crushing raw ore, and performing wet steel ball milling to obtain ore pulp; using laurylamine polyoxyethylene ether solution as a collecting agent and sulfuric acid as a regulator to perform flotation separation on ore pulp after ore grinding to obtain the ore pulp containing Li2The O grade is 3.17%, and the recovery rate is 66.38%. Application number 201310163993.X discloses a novel lepidolite flotation method which comprises primary roughing, secondary fine separation and secondary scavenging. The inhibitor added during the flotation is water glass, the dosage of the inhibitor is 1400-1900 g/t, the anionic collector is sodium oleate or oxidized paraffin soap 731, the dosage of the anionic collector is 480-700 g/t, and the anionic collector is lauryl amine or coco amine
130-160 g/t. Patent application No. 201510788440.2 discloses a beneficiation inhibitor for lepidolite flotation process. And (3) using a beneficiation inhibitor compounded by sodium silicate, sodium phosphate and carboxymethyl cellulose to float the lepidolite concentrate from the tantalum-niobium tailings. The beneficiation inhibitor comprises sodium silicate, sodium phosphate and carboxymethyl cellulose, and the proportion of the sodium silicate, the sodium phosphate and the carboxymethyl cellulose is 10-40: 10-40: 80-20. The collecting agent is coconut oil primary amine, and is mixed with hydrochloric acid according to the mass ratio of 1: 1-1: 5 to prepare an aqueous solution with the amine mass fraction of 0.5% -5% as a flotation reagent, and a beneficiation inhibitor is added, wherein the dosage of the beneficiation inhibitor is 50-1000 g/t. The solid content of the tantalum-niobium tailing slurry is 20% -30% in flotation, the pH value of the ore slurry is 5-9, and sodium carbonate is used for pH adjustment.
However, the above prior art all contain a flotation step.
Disclosure of Invention
The invention aims to provide a method for recovering lepidolite ore, which solves the problem of low recovery rate of the existing lithium oxide.
In order to solve the problems, the invention provides the following technical scheme:
a lepidolite ore recovery method comprises the following steps:
s1, adding the lepidolite raw material into a ball mill for ball milling;
s2, performing primary screening on the raw materials subjected to ball milling in the step S1, wherein the mesh diameter of the primary screening is 0.8mm, and obtaining screened powder and unscreened powder;
s3, removing iron from the sieved powder obtained in the step S2 through weak magnetism, recycling magnetic substances through strong magnetism to obtain nonmagnetic substances and magnetic substances, removing iron through weak magnetism by using 5000 gauss magnetic induction intensity, and recycling magnetic substances through 10000 gauss magnetic induction intensity;
s4, performing secondary screening on the magnetic substance obtained in the step S3, wherein the aperture of a screen of the secondary screening is 0.3mm, so as to obtain screened powder and unscreened powder, and performing pulsed high-gradient magnetic separation on the nonmagnetic substance obtained in the step S3 by using strong magnetism, so as to obtain tailings and magnetic substances;
and S5, recovering magnetic substances from the sieved powder obtained in the step S4 through strong magnetism, wherein the nonmagnetic substances are tailings, and the recovered magnetic substances are lepidolite concentrate.
Preferably, in the step S1,
s1, grinding the lepidolite raw material, adding the grinded lepidolite raw material into a ball mill for ball milling, wherein the ball mill is a dry ball mill.
Preferably, in the step S4,
and (4) carrying out pulsed high-gradient magnetic separation on the nonmagnetic substance obtained in the step (S3) by using strong magnetism to obtain tailings and magnetic substances.
Preferably, in the step S3:
and (3) carrying out weak magnetic iron removal by using 5000-gauss magnetic induction intensity, and recycling magnetic substances by using 10000-gauss magnetic induction intensity.
Preferably, the recovery method further comprises the steps of:
and S6, adding the raw materials which are not sieved in the first sieving and the second sieving into a ball mill for ball milling, and continuously recovering.
Preferably, the non-magnetic material remaining after the magnetic material is strongly recovered at step S5 is returned to step S1 to be recovered
Advantageous effects
According to the method for recycling the lepidolite, the lepidolite raw material is subjected to ball milling, the particle size is controlled, and then the lepidolite concentrate is finally obtained through rough concentration and scavenging. The ground ore screening product enters weak magnetism for deironing, and then enters a coarse scanning pulse high gradient magnetic separation for recycling iron lepidolite so as to achieve the aim of discarding the tail in advance. Before magnetic separation, desliming operation is not needed, the flow is simplified, and the operation cost is reduced. The grinding and recleaning technology after the lepidolite concentrate is graded better meets the requirement of smelting on the fineness of the lepidolite, the lithium resource is efficiently recycled, and the comprehensive benefit is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a flowchart of a lepidolite ore recovery method according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Selecting 10 parts of a lepidolite raw material, wherein the content of lithium in the lepidolite raw material is 0.5 percent, and each part is 50kg, and each part is sequentially treated through the following steps.
S1, grinding the lepidolite raw material, adding the grinded lepidolite raw material into a ball mill for ball milling, wherein the ball mill is a dry ball mill.
S2, performing primary screening on the raw materials subjected to ball milling in the step S1, wherein the mesh diameter of the primary screening is 0.8mm, and obtaining screened powder and unscreened powder;
s3, removing iron from the sieved powder obtained in the step S2 by weak magnetism, and recovering magnetic substances by strong magnetism to obtain nonmagnetic substances and magnetic substances;
s4, performing secondary screening on the magnetic substance obtained in the step S3, wherein the aperture of a screen of the secondary screening is 0.3mm, and obtaining screened powder and unscreened powder;
and S5, recovering magnetic substances from the sieved powder obtained in the step S4 through strong magnetism, wherein the recovered magnetic substances are lepidolite concentrate.
And S6, adding the raw materials which are sieved for the first time and sieved for the second time and the non-magnetic substances which are left after the magnetic substances are recovered by the strong magnetism in the step S5 into a ball mill for ball milling, and continuously recovering.
The average recovery results of 10 parts of lepidolite raw material are shown in table 1 below
TABLE 1
| Name (R) | Yield% | Lithium oxide% | The recovery rate is high |
| Concentrate ore | 15.65 | 2.72 | 85.05 |
| Tailings | 84.35 | 0.09 | 14.95 |
| Raw ore | 100.00 | 0.50 | 100.00 |
Comparative example 1
Comparative example 1 the recovery was carried out by the conventional ball-milling flotation method, and 10 parts of a lepidolite raw material containing 0.5% lithium and 50kg each was selected.
The average recovery results of 10 parts of lepidolite raw material are shown in table 2 below
TABLE 2
| Name (R) | Yield% | Lithium oxide% | The recovery rate is high |
| Concentrate ore | 13.50 | 2.71 | 72.32 |
| Tailings | 86.50 | 0.16 | 27.68 |
| Raw ore | 100.00 | 0.50 | 100.00 |
As can be seen from the comparison between the table 2 and the table 1, the recovery rate of the lepidolite is higher through the method.
It can be seen from table 1 that the lepidolite is recovered by the method of the present application, the content of lithium oxide in tailings is only 0.09%, and the recovery rate of concentrate is 85.05% and far higher than the existing 65-70%, the conventional ball milling operation of step S1 is performed, but the proportion of powder with a particle size of less than 0.8mm is controlled to be more than 95% in step S2, then the weak magnetic rough separation is performed by a high gradient strong magnetic separator, the mass concentration of ore pulp is controlled to be 35-40%, the desliming operation is not required, the flow is simplified, the operation cost is reduced, the proportion of powder with a particle size of less than 0.3mm is controlled to be more than 95% by performing the second screening in step S3, the fineness requirement of lepidolite is met, and the raw materials which are screened for the first time and screened for the second time are added into the ball mill for ball milling in step S4, and then, the step S2 and the step S3 fully utilize the lepidolite raw material, so that waste is reduced.
In summary, the present application achieves an improvement in process, improves the recovery rate of lithium without using flotation, and simplifies the process and reduces the production cost.
It should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The method for recovering the lepidolite iron ore is characterized by comprising the following steps of:
s1, adding the iron-lithium-iron-mica raw material into a ball mill for ball milling;
s2, performing primary screening on the raw materials subjected to ball milling in the step S1, wherein the mesh diameter of the primary screening is 0.8mm, and obtaining screened powder and unscreened powder;
s3, removing iron from the sieved powder obtained in the step S2 through weak magnetism, and recovering magnetic substances through strong magnetism to obtain nonmagnetic substances and magnetic substances;
s4, performing secondary screening on the magnetic substance obtained in the step S3, wherein the aperture of a screen of the secondary screening is 0.3mm, and obtaining screened powder and unscreened powder;
and S5, recovering magnetic substances from the sieved powder obtained in the step S4 through strong magnetism, wherein the recovered magnetic substances are lepidolite concentrate.
2. The recycling method according to claim 1, wherein, in the step S1,
s1, grinding the lepidolite raw material, adding the grinded lepidolite raw material into a ball mill for ball milling, wherein the ball mill is a dry ball mill.
3. The recycling method according to claim 1, wherein, in the step S4,
and (4) carrying out pulsed high-gradient magnetic separation on the nonmagnetic substance obtained in the step (S3) by using strong magnetism to obtain tailings and magnetic substances.
4. The recycling method according to claim 1, wherein in the step S3:
and (3) carrying out weak magnetic iron removal by using 5000-gauss magnetic induction intensity, and recycling magnetic substances by using 10000-gauss magnetic induction intensity.
5. A recycling method according to claim 1, characterized in that it further comprises the steps of:
and S6, adding the raw materials which are not sieved in the first sieving and the second sieving into a ball mill for ball milling, and continuously recovering.
6. The recycling method according to claim 1, wherein the step S5 of recovering the magnetic substance from the sieved powder obtained in the step S4 by strong magnetism further comprises:
the non-magnetic substance remaining after the magnetic substance is strongly recovered at step S5 is returned to step S1 to be recovered.
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| CN114849898A (en) * | 2022-05-20 | 2022-08-05 | 山东晟锂环保科技有限公司 | Lithium iron separation application system for field-splitting magnetic separation on rough-separation particle lithium ore |
| CN114933309A (en) * | 2022-05-25 | 2022-08-23 | 江西博瑞新材料科技有限公司 | Method for extracting enriched lepidolite based on lithium ore pressed tail mud |
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| CN114849898A (en) * | 2022-05-20 | 2022-08-05 | 山东晟锂环保科技有限公司 | Lithium iron separation application system for field-splitting magnetic separation on rough-separation particle lithium ore |
| CN114933309A (en) * | 2022-05-25 | 2022-08-23 | 江西博瑞新材料科技有限公司 | Method for extracting enriched lepidolite based on lithium ore pressed tail mud |
| CN114933309B (en) * | 2022-05-25 | 2023-08-25 | 江西博瑞新材料科技有限公司 | Method for extracting and enriching lepidolite based on lithium ore pressed tail mud |
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