CN101255496A - Method for synchronously reclaiming porcelain clay and rear earth from ionic adsorption type rear earth ore - Google Patents
Method for synchronously reclaiming porcelain clay and rear earth from ionic adsorption type rear earth ore Download PDFInfo
- Publication number
- CN101255496A CN101255496A CNA2008100199861A CN200810019986A CN101255496A CN 101255496 A CN101255496 A CN 101255496A CN A2008100199861 A CNA2008100199861 A CN A2008100199861A CN 200810019986 A CN200810019986 A CN 200810019986A CN 101255496 A CN101255496 A CN 101255496A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- time
- ore
- rare
- earth
- 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
Links
Images
Classifications
-
- 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
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a method for synchronously recycling kaolin and rare earth from ion adsorption type rare earth ore. Ion adsorption type rare earth green ore and water are added to a pulp pool for pulp pounding, rare earth leaching agent is added at the same time, rare earth ion and rare earth leaching agent in the ion adsorption type rare earth green ore flow into the ore pulp after ion exchange reaction. The ore pulp formed by pounding is operated through kaolin wetwashing process, the acquired middling and concentrated ore are filtered, the filter mass is dried to from kaolin, the precipitate produced by adding rare earth precipitator to the filtrate is dried to acquire the rare earth. According the invention, the green ore is pounded, so that rare earth leaching agent can sufficiently react with ion type rare earth in the green ore, making the recovery rate of rare earth higher than that of current method.
Description
Technical field
The present invention relates to a kind of method of from ore, extracting rare earth metal and clay mineral, be specifically related to a kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth.
Background technology
Rare earth is exactly lanthanon-lanthanum in the periodic table of chemical element (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), and with closely-related two the element-scandiums of 15 elements (Sc) of group of the lanthanides and yttrium (Y) totally 17 kinds of elements, be called rare earth element (RareEarth).Rare earth element is called as " monosodium glutamate " of industry, and purposes is extremely extensive, and the flint stone of using from nuclear power, metallurgy, oil, aviation, electronics and electrical industry, chemical textile, illumination, glass, pottery, medicine, agricultural even daily life all be unable to do without.Along with science and technology development, rare earth element progressively demonstrates irreplaceable effect and great vitality in high-tech such as optoelectronic information, catalysis, new forms of energy, performance function pottery, laser and field of new.
China's rare earth resources is abundant, mineral are unique, the heavy rare earths ore deposit is based on geographic ion adsorption type rare earth ores such as Jiangxi, Guangdong, Fujian, Guangxi, Yunnan, especially the geographic heavy rare earths in Longnan, Jiangxi ore deposit is at most, accounts for more than 80% of domestic heavy rare earths industrial reserves.These rare-earth mineral exist on the clay mineral such as kaolin so that ionic condition is attached along with the weathering of grouan, and ore body covers very shallow, and what have is exposed to the face of land.The rare earth of rare earth mineral 90% can leach medicament such as sulfuric acid, hydrogen sulfate ammonia or sulphur ammonium etc. make it enter solution in ion-exchange drip washing mode with rare earth, then rare-earth precipitation agent such as oxalic acid, ammoniacal liquor or ammonium hydrogencarbonate etc. are added in the solution, rare-earth precipitation is separated out, therefore, this kind rare-earth mineral is named as " ion adsorption type rare earth ore ".
The extract technology of ion adsorption type rare earth ore adopts generally that soak in (1) pond, strange land, heap leaching method: build a pond in higher hillside fields, build ditch and the last bamboo chip of pad etc. at the bottom of the pond and be convenient to water filtration, the raw ore that will contain rare earth is carried in the pond, use rare earth to leach medicament in impouring pond, top, the ratio that the rare earth of raw ore and 3% concentration leaches medicament is about 1: 0.8, the effusive clear liquid in bottom promptly is the mother liquor that contains rare earth, adds a certain amount of rare-earth precipitation agent again and makes rare-earth precipitation, gets rare earth oxide after the filtration.Soak in the pond, strange land, heap leaching method extracts rare earth first from ion adsorption type rare earth ore, but because 1 ton of rare earths material of every production produces 2000 to 3000 tons of mine tailings, produce the mine of 1000 tons of rare earths materials per year, and mine tailing surpasses 20 to 300,000 tons, takes up an area of about more than 20 mu.Produced at present a large amount of rare-earth tailing sand that contains the kaolin composition, accumulation has taken a large amount of soils.Because rare-earth tailing sand is dealt carefully with severe water and soil erosion; The Ganjiang River water system aggrades, according to relevant department report, last century the mid-80 to the mid-90, the Poyang Lake lakebed is annual to raise 15 centimetres, adopts vegetation to cover green way at present and handles, but produce little effect.(2) maceration technology on the spot: vertically dig a well in the original place, this well claims the maceration well, pours into rare earth and leach medicament, and intercepting gutter is dug at the place at the foot of the hill, and the effusive stillness of night promptly is the mother liquor that contains rare earth, adds a certain amount of precipitation agent again and makes rare-earth precipitation, filters and promptly get rare earth oxide.This kind technology is that Ganzhou Non-Ferrous Metallurgy Inst is in order to protect ecological vegetation, in nineteen eighty-three proposition " in situ leaching " exploitation ion type rareearth ore technology.On the spot maceration technology solved that the pond, strange land is soaked, heap leaching method remove mountain motion and soil erosion problem.But, since rare earth leach medicament remaining with soil in, caused acidification.
In a word, two kinds of processing methodes all are in order to extract rare earth, not utilize the main component kaolin in the rare-earth tailing sand, and the rare-earth tailing sand that produces, and pile up to have taken a large amount of soils, also cause the pollution of environment, and ecosystem is destroyed.And extraction efficiency is also very low.
Summary of the invention
The object of the invention provide a kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth, solved serious that existing rare earth extracting method exists, the problem that mineral can not be fully used to environmental disruption.
For achieving the above object, the technical solution used in the present invention is: a kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth, form successively by the following step:
(1) smashes slurry
Ion adsorption type re raw ore and water mixing are smash slurry, form the ore pulp of 40%～50% mass percentage concentration, smash slurry simultaneously or smash and add sulfuric acid, hydrogen sulfate ammonia or sulphur ammonium before the slurry and leach medicament as rare earth, smashing the slurry process makes the rare earth ion and the rare earth leaching medicament that exist in the ion adsorption type re raw ore that ion exchange reaction generation rare-earth salts fully take place, this rare-earth salts is soluble in water, wherein, the mass ratio of rare earth leaching medicament and ion adsorption type re raw ore is 1: 30～40;
(2) wet beneficiation
The ore pulp that the butt ramming slurry forms carries out wet beneficiation, concrete technology is: ore pulp is through the screw classifier stage treatment, overflow after the processing is carried out roughly selecting the first time through Φ 150 first hydrocyclones, and the overflow after roughly selecting is for the first time carried out roughly selecting the second time through Φ 150 second hydrocyclones again; The underflow of roughly selecting for the first time and roughly selecting is for the second time scanned through Φ 150 the 3rd hydrocyclone, and the overflow of scanning turns back to smashes slurry; It is selected, for the second time selected and selected for the third time that overflow process Φ 75 hydrocyclones, Φ 25 hydrocyclones and Φ 10 hydrocyclones of roughly selecting for the second time carry out the first time; Wherein, selected underflow turns back to and roughly selects for the second time for the first time, and selected for the third time underflow turns back to for the first time selected, and for the second time selected underflow is standby as chats, and selected for the third time overflow is standby as concentrate;
(3) filtration and aftertreatment
Chats and concentrate that wet beneficiation is obtained obtain containing kaolinic filter cake and the filtrate that contains rare earth through filtering respectively; Carry out obtaining kaolin after the drying to containing kaolinic filter cake; The filtrate that contains rare earth is carried out Rare Earth Separation, be specially: the filtrate that will contain rare earth adds oxalic acid, ammoniacal liquor or ammonium hydrogencarbonate as the rare-earth precipitation agent, wherein, the mass ratio of rare earth and rare-earth precipitation agent is 1: 3.5～4.5, rare earth and rare-earth precipitation agent reaction produce precipitation, and this precipitation obtains rare earth after processed.
Related content in the technique scheme is explained as follows:
1, in the such scheme, what Φ 150, Φ 75, Φ 25, Φ 10 represented is the model of hydrocyclone, wherein numeral is the diameter of cyclone body, can adopt the hydrocyclone of a plurality of same model to carry out parallel connection in one step in order to increase treatment capacity in carrying out operation of the present invention.
2, in the such scheme, after the raw ore process ore dressing stage processing, the enrichment in concentrate of its main component.It is very low that the rest parts product then contains useful composition, and this part product is referred to as mine tailing, or be true tailings.Should be pointed out that and in mine tailing, still contain the useful component that is subjected to the state-of-the art restriction and is difficult to extract, but might become the raw material that utilizes again in the future.Therefore, generally all tailings pile being placed on the mine tailing storehouse preserves.The intermediate product that obtains in ore dressing process is called chats.The useful component content of chats is generally between concentrate and tailings.In ore dressing process, chats generally need return suitable operating location and handle, and perhaps carries out individual curing.
3, in the such scheme, smashing slurry is with kaolin raw ore and water, rare earth leaching agent mixed pulp, smashes the slurry operation raw ore is disperseed, and for sorting operation prepares the kaolin ore pulp of suitable fineness, and removes big sandstone simultaneously.The ore dressing stage comprises that screw classifying and hydraulic classification are to remove different impurity.Ready ore pulp is earlier through screw classifier and hydroclone classification.Ore pulp dewaters with vacuum rotary filter or pressure filter, and the underflow of selected operation for the second time is a chats, can be used for coating or the industrial filler of rubber plastic after the kaolin drying that chats filters, drying makes.The overflow of selected operation for the third time is a concentrate, and the kaolin that concentrate filters, drying makes can be made catalyzer, ceramic raw material or paper industry.Chats and concentrate filtrate filtered are rare earth carbonate through further operating the rare earth that obtains.
4, in the such scheme, wet beneficiation also can select for use Chinese Intellectual Press and " kaolin process for processing new technology, novel process and the inspection technological standard enforcement manual of publishing in September, 2007 " the 3rd to compile the kaolin wet method ore-dressing technique described in the chapter 1.
Because the technique scheme utilization, the present invention compared with prior art has following advantage and effect:
1, the present invention smashes slurry to raw ore and handles, and making rare earth leach medicament can be fully and the ion type rareearth generation ion exchange reaction in the raw ore, makes rare earth yield than existing method height.
2, also contain trace rare-earth in the product kaolin of the present invention, this kind kaolin is made rare earth catalyst material, high-performance electronic pottery, has special performances.Can be applied to the production of oil refinery's catalyzer.
3, the present invention's protective mining that realized that comprehensive utilization fully, the mine tailing regeneration of rare earth resources is reclaimed and resource is limited the quantity of also plays an important role to environment protection.
4, the present invention realizes that rare earth and kaolin reclaim synchronously, realizes the associated mineral comprehensive utilization, rare resources utilization maximization, and the resource utilization height, added value is big, has created good economic benefit and environmental benefit.
Description of drawings
Accompanying drawing 1 is a process flow sheet of the present invention.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one: a kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth, form successively by the following step:
(1) smashes slurry
Ion adsorption type re raw ore and water mixing are smash slurry, smashing slurry can carry out in smashing stock tank, form the ore pulp of 43% mass percentage concentration, smash slurry simultaneously or smash and add the sulphur ammonium before the slurry and leach medicament as rare earth, smashing the slurry process makes the rare earth ion and the rare earth leaching medicament that exist in the ion adsorption type re raw ore that ion exchange reaction generation rare-earth salts fully take place, this rare-earth salts is soluble in water, and wherein, the mass ratio that rare earth leaches medicament and ion adsorption type re raw ore is 1: 32.
(2) wet beneficiation
The ore pulp that the butt ramming slurry forms carries out wet beneficiation, concrete technology is: ore pulp is through the screw classifier stage treatment, overflow after the processing is carried out roughly selecting the first time through Φ 150 first hydrocyclones, and the overflow after roughly selecting is for the first time carried out roughly selecting the second time through Φ 150 second hydrocyclones again; The underflow of roughly selecting for the first time and roughly selecting is for the second time scanned through Φ 150 the 3rd hydrocyclone, and the overflow of scanning turns back to smashes slurry; It is selected, for the second time selected and selected for the third time that overflow process Φ 75 hydrocyclones, Φ 25 hydrocyclones and Φ 10 hydrocyclones of roughly selecting for the second time carry out the first time; Wherein, for the first time selected underflow turns back to that to roughly select for the second time be the pastry mouth of Φ 150 second hydrocyclones, selected for the third time underflow turns back to the pastry mouth of the selected Φ of being 75 hydrocyclones for the first time, for the second time selected underflow is standby as chats, and selected for the third time overflow is standby as concentrate.
(3) filtration and aftertreatment
Chats and concentrate that wet beneficiation is obtained obtain containing kaolinic filter cake and the filtrate that contains rare earth through filtering respectively; Carry out obtaining kaolin after the drying to containing kaolinic filter cake; The filtrate that contains rare earth is carried out Rare Earth Separation, be specially: the filtrate that will contain rare earth adds oxalic acid, ammoniacal liquor or ammonium hydrogencarbonate as the rare-earth precipitation agent, wherein, the mass ratio of rare earth and rare-earth precipitation agent is 1: 4, rare earth and rare-earth precipitation agent reaction produce precipitation, this precipitation obtains filter cake through concentrating, filtering, and obtains rare earth after the processed with the filtration cakes torrefaction step again.
In the present invention, screw classifier is directly made the batching of building block with outside the most quartz sand eliminating machine after drying.The underflow of scanning is thin mine tailing, also directly makes the batching of building block after drying.Selected underflow is a chats for the second time, and the filter cake of chats through obtaining after the pressure filter press filtration is loose kaolin product through after the spraying drying, can be used as coating or the industrial filler of rubber plastic.Selected for the third time overflow is a concentrate, and the kaolin product that the filter cake that chats obtains after the pressure filter press filtration obtains after super-dry can be made catalyzer, ceramic raw material uses, and perhaps is used for paper industry.Filtrate after chats and the concentrate press filtration adds industrial as precipitation agent bicarbonate of ammonia, can get the content that filtrate is measured rare earth earlier.Bicarbonate of ammonia produced precipitation after the filtrate that obtains added precipitation agent, and this precipitation obtains filter cake through concentrating, filtering, and will promptly get rare earth behind the filtration cakes torrefaction again, and wherein, the mass ratio of the precipitation agent bicarbonate of ammonia of rare earth and adding is 1: 4.The rare earth of gained is a rare-earth salts, obtains rare earth oxide after the calcination.
Embodiment two, a kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth, Lin Tangshi Longnan County, Jiangxi rare-earth mineral raw ore is formed: rare earth 0.009～0.01%, kaolin 48%, potassium felspar sand 5.49%, albite 0.16%, mica 1.88%, quartz sand 48.25%, chemical ingredients is: Chemical Composition SiO
2Fe
2O
3Al
2O
3SO
3K
2O Na
2O CaO MgO TiO
2IL content (%) 72.73 0.88 18.52 0.38 1.10 0.06 0.10 0.11 0.28 6.05
Add rare earth during kaolin slurrying and leach medicament, kaolin wet method ore-dressing technique is carried out simultaneously with the extraction rare earth.Add rare earth in the pulping process and leach medicament, addition is 3% of a raw ore, and flow process is seen accompanying drawing 1.Sample number into spectrum is No. 2, and weight is oven-dry weight, and test-results is as follows:
The ore dressing parameter is as follows:
Face No. 2 sample slurrying in pool ore pulp amount and do the ore deposit amount
Concentration (%) productive rate (%)
The middle rare earth pilot scale (m that extracts
3/ h) (Kg/h)
One roughing (overflow) 21.64 20.60 5.10 71.93
One roughing (underflow) 1.85 63.57 1.99
One roughing (advancing slurry) 23.51 25.29 7.09
Secondary is roughly selected (overflow) 13.90 18.84 2.96 72.37
Secondary is roughly selected (underflow) 3.89 27.15 1.13
Secondary is roughly selected (advancing slurry) 17.35 20.60 4.09
Primary cleaning (overflow) 22.14 17.30 4.29 76.88
Primary cleaning (underflow) 2.81 32.84 1.16
Primary cleaning (advancing slurry) 26.21 18.84 5.58
Recleaning (overflow) 16.92 14.49 2.69 68.77
Recleaning (underflow) 2.77 32.11 1.11
Recleaning (advancing slurry) 19.69 17.30 3.81
Triple cleaning (overflow) 8.93 10.50 1.00 34.72
Triple cleaning (underflow) 9.76 16.96 1.85
Once purging selection (overflow) 14.11 2.88
Once purging selection (underflow) 47.68
The production productive rate is as follows:
Face and extract rare earth pilot scale oven dry weight (t) productive rate (%) in No. 2 sample slurrying in the pool
Raw ore 6.13
Concentrate 0.71 11.58
Chats 0.70 11.41
Thin mine tailing 1.25 20.39
Coarse sand 3.47 56.60
Content of rare earth is as follows:
Facing the recovery of No. 2 sample slurrying in pool mineral over dry content of rare earth total content rare earth produces recyclable rare
Middle rare earth pilot scale weight (t) the g/t g that extracts leads (%) native rate (%)
Raw ore 6.13 0.811 4.971 theoretical values 100
Concentrate filtrate 7.53 0.49 3.6897 74.22 74.22
Chats filtrate
1.57 0.45 0.708 14.24 14.24
(concentration 19.69%)
Add up to 88.46 88.46
Concentrate filtrate is collected 7.53 cubic metres altogether, wherein contains the 0.49g/L rare earth, and chats filtrate is collected 1.57 cubic metres altogether, wherein contains the 0.44g/L rare earth, adds bicarbonate of ammonia medicament precipitation, and press filtration once more obtains a slice rare earth oxide filter cake, proves feasible.Also done the test of kaolin filter cake with clear water washing rare earth in addition, content of rare earth wherein is extremely low, is not easy to reclaim.Total rare earth yield reaches more than 88.46% in concentrate filtrate and the chats filtrate.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1, a kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth, it is characterized in that: form successively by the following step:
(1) smashes slurry
Ion adsorption type re raw ore and water mixing are smash slurry, form the ore pulp of 40%～50% mass percentage concentration, smash slurry simultaneously or smash and add sulfuric acid, hydrogen sulfate ammonia or sulphur ammonium before the slurry and leach medicament as rare earth, smashing the slurry process makes the rare earth ion and the rare earth leaching medicament that exist in the ion adsorption type re raw ore that ion exchange reaction generation rare-earth salts fully take place, this rare-earth salts is soluble in water, wherein, the mass ratio of rare earth leaching medicament and ion adsorption type re raw ore is 1: 30～40;
(2) wet beneficiation
The ore pulp that the butt ramming slurry forms carries out wet beneficiation, concrete technology is: ore pulp is through the screw classifier stage treatment, overflow after the processing is carried out roughly selecting the first time through Φ 150 first hydrocyclones, and the overflow after roughly selecting is for the first time carried out roughly selecting the second time through Φ 150 second hydrocyclones again; The underflow of roughly selecting for the first time and roughly selecting is for the second time scanned through Φ 150 the 3rd hydrocyclone, and the overflow of scanning turns back to smashes slurry; It is selected, for the second time selected and selected for the third time that overflow process Φ 75 hydrocyclones, Φ 25 hydrocyclones and Φ 10 hydrocyclones of roughly selecting for the second time carry out the first time; Wherein, selected underflow turns back to and roughly selects for the second time for the first time, and selected for the third time underflow turns back to for the first time selected, and for the second time selected underflow is standby as chats, and selected for the third time overflow is standby as concentrate;
(3) filtration and aftertreatment
Chats and concentrate that wet beneficiation is obtained obtain containing kaolinic filter cake and the filtrate that contains rare earth through filtering respectively; Carry out obtaining kaolin after the drying to containing kaolinic filter cake; The filtrate that contains rare earth is carried out Rare Earth Separation, be specially: the filtrate that will contain rare earth adds oxalic acid, ammoniacal liquor or ammonium hydrogencarbonate as the rare-earth precipitation agent, wherein, the mass ratio of rare earth and rare-earth precipitation agent is 1: 3.5～4.5, rare earth and rare-earth precipitation agent reaction produce precipitation, and this precipitation obtains rare earth after processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100199861A CN100564554C (en) | 2008-03-18 | 2008-03-18 | A kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100199861A CN100564554C (en) | 2008-03-18 | 2008-03-18 | A kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101255496A true CN101255496A (en) | 2008-09-03 |
| CN100564554C CN100564554C (en) | 2009-12-02 |
Family
ID=39890592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008100199861A Expired - Fee Related CN100564554C (en) | 2008-03-18 | 2008-03-18 | A kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100564554C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357400A (en) * | 2011-07-29 | 2012-02-22 | 合浦沪天高岭土有限责任公司 | Method for processing low-grade kaolinite ore |
| CN102442673A (en) * | 2011-07-29 | 2012-05-09 | 合浦沪天高岭土有限责任公司 | Method for recycling kaolin from underflow of roughing whirlcone |
| CN102560159A (en) * | 2012-01-31 | 2012-07-11 | 赣州稀土矿业有限公司 | Method for extracting rare earth from kaolin product containing ion-type rare earth |
| CN101585014B (en) * | 2009-05-27 | 2012-09-05 | 龙岩高岭土有限公司 | Method for improving washing rate of kaolin clay raw ore |
| CN103555939A (en) * | 2013-11-15 | 2014-02-05 | 赣州有色冶金研究所 | Mineral leaching method and mineral leaching system for ionic rare earth mine |
| CN105177323A (en) * | 2015-09-11 | 2015-12-23 | 景德镇陶瓷学院 | Comprehensive treatment process method for ionic adsorption type rare earth ore |
| CN109518012A (en) * | 2019-01-17 | 2019-03-26 | 江西理工大学 | A method of using clay mineral separation and concentration rare earth ion |
| CN110157918A (en) * | 2019-06-28 | 2019-08-23 | 金川集团股份有限公司 | A kind of method of the useless magnesite-chrome brick recycling high-grade rare precious metal of kaldo converter |
| CN111744659A (en) * | 2020-06-30 | 2020-10-09 | 茂名市茂群高岭土有限公司 | Method for controlling particle size in kaolin production process |
| CN114807601A (en) * | 2022-05-24 | 2022-07-29 | 中国科学院赣江创新研究院 | Method for adsorbing rare earth element lanthanum by using phosphoric acid modified kaolin |
-
2008
- 2008-03-18 CN CNB2008100199861A patent/CN100564554C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585014B (en) * | 2009-05-27 | 2012-09-05 | 龙岩高岭土有限公司 | Method for improving washing rate of kaolin clay raw ore |
| CN102357400A (en) * | 2011-07-29 | 2012-02-22 | 合浦沪天高岭土有限责任公司 | Method for processing low-grade kaolinite ore |
| CN102442673A (en) * | 2011-07-29 | 2012-05-09 | 合浦沪天高岭土有限责任公司 | Method for recycling kaolin from underflow of roughing whirlcone |
| CN102442673B (en) * | 2011-07-29 | 2013-04-17 | 合浦沪天高岭土有限责任公司 | Method for recycling kaolin from underflow of roughing whirlcone |
| CN102560159A (en) * | 2012-01-31 | 2012-07-11 | 赣州稀土矿业有限公司 | Method for extracting rare earth from kaolin product containing ion-type rare earth |
| CN103555939A (en) * | 2013-11-15 | 2014-02-05 | 赣州有色冶金研究所 | Mineral leaching method and mineral leaching system for ionic rare earth mine |
| CN105177323A (en) * | 2015-09-11 | 2015-12-23 | 景德镇陶瓷学院 | Comprehensive treatment process method for ionic adsorption type rare earth ore |
| CN109518012A (en) * | 2019-01-17 | 2019-03-26 | 江西理工大学 | A method of using clay mineral separation and concentration rare earth ion |
| CN110157918A (en) * | 2019-06-28 | 2019-08-23 | 金川集团股份有限公司 | A kind of method of the useless magnesite-chrome brick recycling high-grade rare precious metal of kaldo converter |
| CN110157918B (en) * | 2019-06-28 | 2021-01-05 | 金川集团股份有限公司 | Method for recycling high-grade rare and precious metals from waste magnesia-chrome bricks of Kaldo converter |
| CN111744659A (en) * | 2020-06-30 | 2020-10-09 | 茂名市茂群高岭土有限公司 | Method for controlling particle size in kaolin production process |
| CN114807601A (en) * | 2022-05-24 | 2022-07-29 | 中国科学院赣江创新研究院 | Method for adsorbing rare earth element lanthanum by using phosphoric acid modified kaolin |
| CN114807601B (en) * | 2022-05-24 | 2023-10-20 | 中国科学院赣江创新研究院 | Method for adsorbing rare earth element lanthanum by utilizing phosphoric acid modified kaolin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100564554C (en) | 2009-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100564554C (en) | A kind of from ion adsorption type rare earth ore the method for synchronously reclaiming porcelain clay and rare earth | |
| CN102500596B (en) | Red mud harmless comprehensive recycling technology suitable for Bayer process | |
| CN103301679B (en) | A kind of tailings dewatering method | |
| CN101723391B (en) | Bleaching production method for washing iron-dyed kaolin | |
| CN104711424B (en) | A kind of method of recovering rare earth and aluminium in removal of impurities slag from weathered superficial leaching rare-earth ore leachate | |
| CN105603222A (en) | Herbaceous plant rare-earth precipitating agent and preparation method thereof | |
| CN102876892A (en) | Method for leaching nickel and cobalt form low-iron and high-magnesium and high-iron and low-magnesium laterite-nickel ore by using waste dilute sulphuric acid | |
| CN104818381A (en) | Method for recovering iron from Bayer process red mud | |
| CN105296744A (en) | Method for laterite-nickel ore resourceful treatment and comprehensive recycling | |
| CN109987639A (en) | A kind of method that aluminium strengthens red mud dealkalization and separates and recovers aluminium, iron | |
| CN109174438B (en) | Spodumene ore dressing and sorting process | |
| CN102557086B (en) | Method for recovering phosphorus from phosphorite tailings and preparing light magnesium oxide | |
| CN100519783C (en) | Technique for comprehensive utilization clean production of phosphorus block ore and extracting rare earth form the phosphorus block ore | |
| CN108034805A (en) | Comprehensive utilization method of sulfur concentrate containing multiple valuable elements | |
| CN104291539A (en) | Method for dealkalizing Bayer process red mud by using CO2 and waste acid in combined way | |
| CN109207658A (en) | A kind of circulation utilization method of biomass lime-ash modification converter slag dephosphorization | |
| CN104891855A (en) | A method of extracting rare earth sulfate from coal gangue and applying the rare earth sulfate as a concrete additive | |
| CN101717864B (en) | Method for extracting nickel and cobalt through granulating and heap-leaching laterite nickel ore | |
| CN219731021U (en) | Spodumene smelting slag recycling comprehensive utilization system | |
| CN108823406A (en) | A kind of method that low-grade gold infiltration extracts gold from | |
| CN103243226A (en) | Method for preparing rare earth concentrate from low-grade light rare earth tailings | |
| CN102643987A (en) | Method for preparing rare earth by reducing ammonia nitrogen oxygen demand (COD) and adjusting potential of hydrogen (pH) value from rare earth mine leach liquor | |
| CN107805726A (en) | Hydrometallurgy method is combined in a kind of Heap Leaching of Uranium Ore leaching | |
| CN116426745A (en) | Method for comprehensively utilizing laterite nickel ore leaching slag | |
| CN1286315A (en) | Process for comprehensive utilization of blast furnace top gas mud containing Zn |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20180318 |