CN113231042A - Preparation method of lithium adsorbent - Google Patents

Preparation method of lithium adsorbent Download PDF

Info

Publication number
CN113231042A
CN113231042A CN202110424429.3A CN202110424429A CN113231042A CN 113231042 A CN113231042 A CN 113231042A CN 202110424429 A CN202110424429 A CN 202110424429A CN 113231042 A CN113231042 A CN 113231042A
Authority
CN
China
Prior art keywords
lithium
adsorbent
preparation
kaolin
sintering
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.)
Granted
Application number
CN202110424429.3A
Other languages
Chinese (zh)
Other versions
CN113231042B (en
Inventor
郑绵平
郑越
丁涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Dizhiguang Enterprise Management Co ltd
Original Assignee
Beijing Dizhiguang Enterprise Management Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Dizhiguang Enterprise Management Co ltd filed Critical Beijing Dizhiguang Enterprise Management Co ltd
Priority to CN202110424429.3A priority Critical patent/CN113231042B/en
Publication of CN113231042A publication Critical patent/CN113231042A/en
Application granted granted Critical
Publication of CN113231042B publication Critical patent/CN113231042B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/046—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing halogens, e.g. halides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D15/00—Lithium compounds
    • 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
    • C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10—Obtaining alkali metals
    • C22B26/12—Obtaining lithium
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Dispersion Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The invention provides a preparation method of a lithium adsorbent, which comprises the following steps: mixing kaolin and a lithium source, grinding, and adding a fluxing agent for primary sintering to obtain a primary sintered product; mixing the primary sintering product with PVA, and then performing secondary sintering to obtain a lithium adsorbent precursor; and carrying out acid elution on the lithium adsorbent precursor to obtain the lithium adsorbent after washing and drying. The lithium adsorbent prepared by the method provided by the invention is an ion sieve type adsorbent, and has higher adsorption capacity and stable adsorption capacity to lithium ions. Experimental results show that the lithium adsorbent prepared by the invention has the adsorption capacity of 4.9mg/g for lithium ions, the adsorption capacity is basically stable after 3 times of reuse, and the stable adsorption capacity can reach 3 mg/g.

Description

Preparation method of lithium adsorbent
Technical Field
The invention relates to the technical field of lithium resource recovery, in particular to a preparation method of an ion sieve type lithium adsorbent.
Background
In recent years, the lithium battery new energy industry based on lithium resources is rapidly developed, so that the world demand for lithium resources is continuously increased, and in the face of the continuous rising of lithium price, the exploration and lithium extraction of lithium ores in the global scope keep a continuous active situation. The abundance value of lithium is 20mg/kg, is the twenty-fifth element on earth, and is divided into solid ore resources and liquid lithium resources, wherein the liquid lithium resources comprise seawater, salt lake brine and geothermal water. The reserve of Chinese lithium resources is at the 6 th position in the world, wherein the lithium resources in salt lakes account for about 80 percent of the lithium resources in salt lakes in the world, and account for 1/3 percent of the lithium resources in salt lakes, and are mainly distributed in the western regions such as Qinghai and Tibet.
The adsorption method is one of effective methods for extracting lithium from brine, and the aluminum hydroxide-based lithium adsorbent is the only adsorbent industrially applied when the adsorption method is adopted to extract lithium from brine. Regardless of the method used to prepare the adsorbent, the main component of the basic framework of the adsorbent is aluminum hydroxide, and thus the adsorbent is referred to herein as an aluminum hydroxide-based lithium adsorbent. The adsorbent has low preparation cost, and the cost is low no matter the raw materials or the preparation process are adopted.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a method for preparing a lithium adsorbent, wherein the lithium adsorbent provided by the present invention is an ion sieve type adsorbent, and has high adsorption capacity and stable adsorption capacity for lithium ions.
The invention provides a preparation method of a lithium adsorbent, which comprises the following steps:
mixing kaolin and a lithium source, grinding, and adding a fluxing agent for primary sintering to obtain a primary sintered product;
mixing the primary sintering product with PVA, and then performing secondary sintering to obtain a lithium adsorbent precursor;
and carrying out acid elution on the lithium adsorbent precursor to obtain the lithium adsorbent after washing and drying.
In one embodiment, the lithium source is selected from hydrated lithium hydroxide.
In one embodiment, the molar ratio of the kaolin calculated by Al to the lithium source calculated by lithium is 1-3: 1.
In one embodiment, the fluxing agent is selected from sodium chloride.
In one embodiment, the addition amount of the fluxing agent is 5-10 wt% of the total mass of the kaolin and the lithium source.
In one embodiment, the temperature of the first sintering is 600-800 ℃ and the time is 1-3 h.
In one embodiment, the addition amount of the PVA is 1-8 wt% of the total mass of the kaolin and the lithium source
In one embodiment, the temperature of the second sintering is 300-500 ℃ and the time is 1-3 h.
In one embodiment, the acid-eluting lithium is specifically:
and washing and delithiating the lithium adsorbent precursor by using 0.5-1.5 mol/L hydrochloric acid.
According to the invention, kaolin and a lithium source are used as raw materials, a fluxing agent is added, the first sintering is carried out, and then the second sintering is carried out after the kaolin and the lithium source are mixed with PVA, so that the lithium adsorbent is obtained. The lithium adsorbent prepared by the method provided by the invention is an ion sieve type adsorbent, and has higher adsorption capacity and stable adsorption capacity to lithium ions. Experimental results show that the lithium adsorbent prepared by the invention has the adsorption capacity of 4.9mg/g for lithium ions, the adsorption capacity is basically stable after 3 times of reuse, and the stable adsorption capacity can reach 3 mg/g.
Detailed Description
The preparation method provided by the invention is described in detail by combining the following examples.
Example 1
Firstly, crushing and grinding blocky kaolin to change the blocky kaolin into powder; then the powdered kaolin and hydrated lithium hydroxide (LiOH. H)2O) mixing the components according to a molar ratio of 1:1, and then transferring the mixture into a mortar for grinding; then, adding a fluxing agent (NaCl) accounting for 10 percent of the total mass of the kaolin and the hydrated lithium hydroxide, and transferring the mixture into a muffle furnace for sintering for 2 hours at the temperature of 650 ℃; then, the mixture was left to stand in the air, cooled to room temperature, transferred again to a mortar, and ground by adding polymer PVA in an amount of 5% by mass of the total mass of kaolin and hydrated lithium hydroxide; and then, sintering the mixture for 2 hours in a muffle furnace at 400 ℃ again to obtain a mineral precursor after secondary heating.
And (3) carrying out acid elution on the precursor powder by adopting 1mol/L HCl to remove lithium, then washing and filtering a lithium ion sieve powder sample by using deionized water, and drying in an oven to obtain the lithium ion sieve adsorbent.
The synthesized lithium ion sieve powder sample was accurately weighed at 300mg, and added to 200mL of LiCl solution (Li)+Concentration is 1000mg/l), under the environment of room temperature, magnetic stirring is utilized, supernatant samples are taken after a certain time interval, the concentration change of lithium ions in the sample solution is quantitatively determined by utilizing inductively coupled plasma atomic emission spectrometry (ICP-OES), and meanwhile, the stability and the reutilization property of the lithium ions in the lithium ion sieve adsorbent adsorption solution are tested by utilizing three adsorption/desorption cycle experiments. The results showed that the adsorption capacity of the lithium ion sieve-type adsorbent prepared in example 1 was 4.95mg/g, the adsorption capacity was substantially stable for 3 times of reuse, and the stable adsorption capacity was 3.18 mg/g.
Example 2
Firstly, crushing and grinding blocky kaolin to change the blocky kaolin into powder; then the powdered kaolin and hydrated lithium hydroxide (LiOH. H)2O) mixing according to a molar ratio of 2:1, and then transferring the mixture into a mortar for grinding; then, adding 10 percent of fluxing agent (NaCl) of the total mass of kaolin and hydrated lithium hydroxide, transferring the mixture into a muffle furnace, and sintering for 2 hours at 650 ℃; then, the mixture is stood in the air, cooled to room temperature, transferred to a mortar again, and added with polymer PVA accounting for 5 percent of the total mass of kaolin and hydrated lithium hydroxide for grinding; and then, sintering the mixture for 2 hours in a muffle furnace at 400 ℃ again to obtain a mineral precursor after secondary heating.
And (3) carrying out acid elution on the precursor powder by adopting 1mol/L HCl to remove lithium, then washing and filtering a lithium ion sieve powder sample by using deionized water, and drying in an oven to obtain the lithium ion sieve adsorbent.
The synthesized lithium ion sieve powder sample was accurately weighed at 300mg, and added to 200mL of LiCl solution (Li)+Concentration of 1000mg/l), magnetically stirring at room temperature, collecting supernatant sample at certain time intervals, and quantitatively measuring by inductively coupled plasma atomic emission spectrometry (ICP-OES)The concentration of lithium ions in the solution is changed, and the stability and the reutilization property of the lithium ions in the lithium ion sieve adsorbent adsorption solution are tested by utilizing three adsorption/desorption cycle experiments. The results show that the lithium ion sieve adsorbent prepared in example 2 has an adsorption capacity of 4.1mg/g, a substantially stable adsorption capacity for 3-time reuse, and a stable adsorption capacity of 2.68 mg/g.
Example 3
Firstly, crushing and grinding blocky kaolin to change the blocky kaolin into powder; then the powdered kaolin and hydrated lithium hydroxide (LiOH. H)2O) mixing the components according to a molar ratio of 1:1, and then transferring the mixture into a mortar for grinding; then, adding a fluxing agent (NaCl) accounting for 10 percent of the total mass of the kaolin and the hydrated lithium hydroxide, transferring the mixture into a muffle furnace, and sintering the mixture for 2 hours at 750 ℃; then, the mixture is stood in the air, cooled to room temperature, transferred to a mortar again, and added with polymer PVA accounting for 5 percent of the total mass of kaolin and hydrated lithium hydroxide for grinding; and then, sintering the mixture for 2 hours in a muffle furnace at 400 ℃ again to obtain a mineral precursor after secondary heating.
And (3) carrying out acid elution on the precursor powder by adopting 1mol/L HCl to remove lithium, then washing and filtering a lithium ion sieve powder sample by using deionized water, and drying in an oven to obtain the lithium ion sieve adsorbent.
The synthesized lithium ion sieve powder sample was accurately weighed at 300mg, and added to 200mL of LiCl solution (Li)+Concentration is 1000mg/l), under the environment of room temperature, magnetic stirring is utilized, supernatant samples are taken after a certain time interval, the concentration change of lithium ions in the sample solution is quantitatively determined by utilizing inductively coupled plasma atomic emission spectrometry (ICP-OES), and meanwhile, the stability and the reutilization property of the lithium ions in the lithium ion sieve adsorbent adsorption solution are tested by utilizing three adsorption/desorption cycle experiments. The results showed that the adsorption capacity of the lithium ion sieve-type adsorbent prepared in example 3 was 3.9mg/g, the adsorption capacity was substantially stable for 3 times of reuse, and the stable adsorption capacity was 2.82 mg/g.
Example 4
Firstly, the blocky kaolin is crushed and ground to be powderIn a powder form; then the powdered kaolin and hydrated lithium hydroxide (LiOH. H)2O) mixing according to a molar ratio of 2:1, and then transferring the mixture into a mortar for grinding; then, adding 10 percent of fluxing agent (NaCl) of the total mass of kaolin and hydrated lithium hydroxide into the mixture, transferring the mixture into a muffle furnace, and sintering for 2 hours at 750 ℃; then, standing the mixed compound in the air, cooling to room temperature, transferring to a mortar again, adding polymer pva with 5% of the total mass of kaolin and hydrated lithium hydroxide, and grinding; and then, sintering the mixture for 2 hours in a muffle furnace at 400 ℃ again to obtain a mineral precursor after secondary heating.
And (3) carrying out acid elution on the precursor powder by adopting 1mol/L HCl to remove lithium, then washing and filtering a lithium ion sieve powder sample by using deionized water, and drying in an oven to obtain the lithium ion sieve adsorbent.
The synthesized lithium ion sieve powder sample was accurately weighed at 300mg, and added to 200mL of LiCl solution (Li)+Concentration is 1000mg/l), under the environment of room temperature, magnetic stirring is utilized, supernatant samples are taken after a certain time interval, the concentration change of lithium ions in the sample solution is quantitatively determined by utilizing inductively coupled plasma atomic emission spectrometry (ICP-OES), and meanwhile, the stability and the reutilization property of the lithium ions in the lithium ion sieve adsorbent adsorption solution are tested by utilizing three adsorption/desorption cycle experiments. The results showed that the adsorption capacity of the lithium ion sieve-type adsorbent prepared in example 4 was 2.8mg/g, the adsorption capacity was substantially stable for 3 times of multiplexing, and the stable adsorption capacity was 2.3 mg/g.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A preparation method of a lithium adsorbent comprises the following steps:
mixing kaolin and a lithium source, grinding, and adding a fluxing agent for primary sintering to obtain a primary sintered product;
mixing the primary sintering product with PVA, and then performing secondary sintering to obtain a lithium adsorbent precursor;
and carrying out acid elution on the lithium adsorbent precursor to obtain the lithium adsorbent after washing and drying.
2. The method of claim 1, wherein the lithium source is selected from hydrated lithium hydroxide.
3. The preparation method according to claim 1, wherein the molar ratio of the kaolin to the lithium source is 1-3: 1 in terms of Al.
4. The method of claim 1, wherein the fluxing agent is selected from sodium chloride.
5. The preparation method according to claim 1, wherein the addition amount of the flux is 5 to 10 wt% of the total mass of the kaolin and the lithium source.
6. The preparation method according to claim 1, wherein the temperature of the first sintering is 600-800 ℃ and the time is 1-3 h.
7. The preparation method according to claim 1, wherein the PVA is added in an amount of 1-8 wt% based on the total mass of the kaolin and the lithium source
8. The preparation method according to claim 1, wherein the temperature of the second sintering is 300-500 ℃ and the time is 1-3 h.
9. The preparation method according to claim 1, wherein the acid-eluted lithium is specifically:
and washing and delithiating the lithium adsorbent precursor by using 0.5-1.5 mol/L hydrochloric acid.
CN202110424429.3A 2021-04-20 2021-04-20 Preparation method of lithium adsorbent Active CN113231042B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110424429.3A CN113231042B (en) 2021-04-20 2021-04-20 Preparation method of lithium adsorbent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110424429.3A CN113231042B (en) 2021-04-20 2021-04-20 Preparation method of lithium adsorbent

Publications (2)

Publication Number Publication Date
CN113231042A true CN113231042A (en) 2021-08-10
CN113231042B CN113231042B (en) 2023-12-22

Family

ID=77128506

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110424429.3A Active CN113231042B (en) 2021-04-20 2021-04-20 Preparation method of lithium adsorbent

Country Status (1)

Country Link
CN (1) CN113231042B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117358196A (en) * 2023-09-20 2024-01-09 中国地质科学院矿产资源研究所 Preparation method of bauxite-based aluminum lithium ion adsorbent and brine lithium extraction method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105536753A (en) * 2016-01-22 2016-05-04 武汉理工大学 Mineral precursor adsorbing agent and preparation method and application thereof
CN106076243A (en) * 2016-06-06 2016-11-09 中国科学院青海盐湖研究所 A kind of method of micropore aluminium salt lithium adsorbent and preparation method thereof, filler and enriching lithium ion
CN106430254A (en) * 2016-09-09 2017-02-22 成都理工大学 Method for extracting lithium from salt lake brine
CN108114693A (en) * 2018-01-07 2018-06-05 天津市职业大学 A kind of glass fibre is lithium ion sieve adsorbed film of matrix and preparation method thereof
CN108126651A (en) * 2018-01-07 2018-06-08 天津市职业大学 A kind of lithium ion sieve of fly ash float load and preparation method thereof
CN108543521A (en) * 2018-04-17 2018-09-18 成都新柯力化工科技有限公司 A kind of fiber adsorbing substance and preparation method carrying lithium for salt lake bittern
CN108722372A (en) * 2017-04-25 2018-11-02 比亚迪股份有限公司 Lithium adsorbent composite particles and preparation method thereof
CN108745276A (en) * 2018-04-18 2018-11-06 南京工业大学 A kind of preparation method of mixed-forming lithium ion adsorbent
CN111790349A (en) * 2020-07-09 2020-10-20 大连理工大学 Preparation method and application of adsorbent for adsorbing heavy metal ions

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105536753A (en) * 2016-01-22 2016-05-04 武汉理工大学 Mineral precursor adsorbing agent and preparation method and application thereof
CN106076243A (en) * 2016-06-06 2016-11-09 中国科学院青海盐湖研究所 A kind of method of micropore aluminium salt lithium adsorbent and preparation method thereof, filler and enriching lithium ion
CN106430254A (en) * 2016-09-09 2017-02-22 成都理工大学 Method for extracting lithium from salt lake brine
CN108722372A (en) * 2017-04-25 2018-11-02 比亚迪股份有限公司 Lithium adsorbent composite particles and preparation method thereof
CN108114693A (en) * 2018-01-07 2018-06-05 天津市职业大学 A kind of glass fibre is lithium ion sieve adsorbed film of matrix and preparation method thereof
CN108126651A (en) * 2018-01-07 2018-06-08 天津市职业大学 A kind of lithium ion sieve of fly ash float load and preparation method thereof
CN108543521A (en) * 2018-04-17 2018-09-18 成都新柯力化工科技有限公司 A kind of fiber adsorbing substance and preparation method carrying lithium for salt lake bittern
CN108745276A (en) * 2018-04-18 2018-11-06 南京工业大学 A kind of preparation method of mixed-forming lithium ion adsorbent
CN111790349A (en) * 2020-07-09 2020-10-20 大连理工大学 Preparation method and application of adsorbent for adsorbing heavy metal ions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117358196A (en) * 2023-09-20 2024-01-09 中国地质科学院矿产资源研究所 Preparation method of bauxite-based aluminum lithium ion adsorbent and brine lithium extraction method
CN117358196B (en) * 2023-09-20 2024-03-15 中国地质科学院矿产资源研究所 Preparation method of bauxite-based aluminum lithium ion adsorbent and brine lithium extraction method

Also Published As

Publication number Publication date
CN113231042B (en) 2023-12-22

Similar Documents

Publication Publication Date Title
Zhao et al. Study on lithium extraction from brines based on LiMn2O4/Li1-xMn2O4 by electrochemical method
CN109879301B (en) Method for efficiently separating magnesium and lithium from salt lake brine and simultaneously preparing high-purity magnesium oxide and battery-grade lithium carbonate
Zhang et al. A novel precipitant for separating lithium from magnesium in high Mg/Li ratio brine
Miyai et al. Recovery of lithium from seawater using a new type of ion-sieve adsorbent based on MgMn2O4
Hui et al. Kinetics of leaching lithium from α-spodumene in enhanced acid treatment using HF/H2SO4 as medium
CN106086471B (en) A kind of method that lepidolite defluorinate and valuable metal leach
CN102399999B (en) A kind of rare earth and strontium association polymetallic ore comprehensive recycling process altogether
JP6644314B2 (en) Lithium extraction method
AU2020417254A1 (en) Selective extraction of lithium from clay minerals
JP2019099901A (en) Method for recovering lithium from lithium-containing solution
CN111893318A (en) Method for extracting lithium from lithium-containing clay
CN103400965B (en) Process for reserve recycling and preparation of lithium nickel cobaltate from waste lithium battery as raw material
Wajima et al. Adsorption behavior of lithium from seawater using manganese oxide adsorbent
CN106957961B (en) A method of recovering rare earth and aluminium from weathered superficial leaching rare-earth ore
Li et al. Extraction of lithium from salt lake brine by aluminum-based alloys
Davris et al. Leaching of rare earth elements from ‘Rödberg’ore of Fen carbonatite complex deposit, using the ionic liquid HbetTf2N
CN108201875B (en) Spinel type manganese oxide lithium ion sieve H1.6Mn1.6O4Preparation method of (1)
CN103272554A (en) Method for preparing lithium manganese oxide-type lithium adsorbent
US20220135415A1 (en) Extraction system, extraction method for separating magnesium and extracting lithium from magnesium-containing brine with secondary amide-type solvent as well as applications thereof
CN107964597B (en) Method for extracting alkali metal by treating lepidolite
CN113231042A (en) Preparation method of lithium adsorbent
JP6516240B2 (en) Lithium extraction method
CN105080623B (en) A kind of ion-exchanger for being used for separation and/or Extraction of rare earth element
JP2021014630A (en) Method of recovering lithium from lithium ion battery
KR20200041816A (en) Lithium Ion Sieve and Lithium Ion Extraction Method Using the Same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant