[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN107419098A - A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals - Google Patents

A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals Download PDF

Info

Publication number
CN107419098A
CN107419098A CN201710739305.8A CN201710739305A CN107419098A CN 107419098 A CN107419098 A CN 107419098A CN 201710739305 A CN201710739305 A CN 201710739305A CN 107419098 A CN107419098 A CN 107419098A
Authority
CN
China
Prior art keywords
extraction
rare earth
earth
organic phase
phospeate
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.)
Pending
Application number
CN201710739305.8A
Other languages
Chinese (zh)
Inventor
张魁芳
刘志强
曹洪杨
朱薇
郭秋松
李伟
陶进长
高远
金明亚
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.)
Guangdong Institute of Rare Metals
Original Assignee
Guangdong Institute of Rare Metals
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 Guangdong Institute of Rare Metals filed Critical Guangdong Institute of Rare Metals
Priority to CN201710739305.8A priority Critical patent/CN107419098A/en
Publication of CN107419098A publication Critical patent/CN107419098A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • 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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/40—Mixtures
    • C22B3/409—Mixtures at least one compound being an organo-metallic compound
    • 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
    • C22B59/00—Obtaining rare earth metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals, described sulphuric leachate is containing the mg/L of rare earth ion 20 ~ 100,10 ~ 100g/L of sulfuric acid concentration, PO4 3—2 ~ 10g/L, major impurity ion include Fe3+、Al3+、Mg2+、Ca2+And Mn2+, and each concentration impurity ion≤10g/L.It is characterized in that step is as follows：By volume, extraction organic phase is formulated by 5 ~ 40% phenyl phosphate esters, 5 ~ 20% phosphotriesters, 2.5 ~ 20% decyl alcohol and 20 ~ 87.5% sulfonated kerosenes, by above-mentioned extraction organic phase and sulphuric leachate according to extraction phase ratio（O/A）1~3:1 carries out 1 ~ 3 grade of extraction, extracts 5 ~ 20min, obtains supported rare earth organic phase and except the raffinate aqueous phase after rare earth, realize the extraction of rare earth.The inventive method realizes efficient extracting rare-earth in the sulphuric leachates of Ree-phospeate Minerals, and technique is simple and rare earth extraction rate is high.

Description

A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals
Technical field
The present invention relates to a kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals, belong to wet method smelting Golden collar domain.
Background technology
In Ree-phospeate Minerals, rare earth mainly exists with phos-phate forms, because RE phosphate solubility product is smaller, At 25 DEG C, KSP 10-23Left and right, it is only soluble in strong acid system.Considered based on cost, security, equipment requirement etc., Sulfuric acid is preferred Ore Leaching agent.Leached using high-concentration sulfuric acid containing the rare earth in Ree-phospeate Minerals, resulting sulfuric acid Leachate has acidity height, PO4 3—Concentration is high, Fe3+Concentration is high, the more low typical feature of rare earth ion concentration.Conventional rare earth extraction Agent is taken to be extracted under Low acid（pH>1）, under this acidity, rare earth ion can be with the PO in leachate4 3—Again with phosphorus Hydrochlorate precipitation form separates out, and leads to not extract.Simultaneously as foreign ion Fe3+It is easier than rare earth ion extraction and concentration it is far high In rare earth ion, cause Fe3+Preferential be extracted and rare earth ion can not extract.
At present there is no the report for the extracting rare-earth from the sulphuric leachate of Ree-phospeate Minerals, causes phosphorus containing rare earth Rare earth in hydrochlorate mineral can not utilize.
The content of the invention
The present invention is intended to provide in a kind of sulphuric leachate from Ree-phospeate Minerals extracting rare-earth method.The sulphur Acid leaching liquor is containing the mg/L of rare earth ion 20 ~ 100,10 ~ 100g/L of sulfuric acid concentration, PO4 3—2 ~ 10g/L, major impurity ion include Fe3+、Al3+、Mg2+、Ca2+And Mn2+, and each concentration impurity ion≤10g/L.
The method of extracting rare-earth of the present invention is as follows：By volume, organic phase is extracted by 5 ~ 40% phenyl phosphate esters, 5 ~ 20% phosphorus Sour three esters, 2.5 ~ 20% decyl alcohol and 20 ~ 87.5% sulfonated kerosenes are formulated；By above-mentioned extraction organic phase and sulphuric leachate according to Extraction phase ratio（O/A）1~3:1 carries out 1 ~ 3 grade of extraction, extracts 5 ~ 20min, obtains supported rare earth organic phase and except the extraction after rare earth Extraction raffinate aqueous phase, realize the extraction of rare earth.
The phenyl phosphate ester is 4- (1,1,3,3- tetramethyl butyls) phosphenylic acid list -4- (1,1,3,3- tetramethyl fourths Base) one or both of phenylester or double [4- (1,1,3,3- tetramethyl butyls) phenyl] phosphates.Phenyl phosphate ester is at this Be used as extractant in invention, it is ionizable go out H+And ion exchange extracting rare-earth ion occurs with rare earth ion.
The phosphotriester is tributyl phosphate or trioctyl phosphate.Phosphotriester is used as inhibitor in the present invention, right Fe3+Extraction rise inhibitory action, reduce Fe3+The amount of being extracted, weaken Fe3+Competition extraction to rare earth ion.
Decyl alcohol is modification agent, improves the solubility property of phenyl phosphate ester, phosphotriester and extracted species in sulfonated kerosene, prevents Only third phase produces.
Sulfonated kerosene is diluent, plays solvent action, reduces extraction organic phase viscosity and density, improves split-phase effect.
The present invention is according to phenyl phosphate ester, phosphotriester molecular structure, distribution of charges and leachate system feature.Utilize benzene H in base phosphoric acid ester extractant+Dense ionization characteristic, sulfuric acid concentration be 10 ~ 100g/L can still ionize, ionize out H+With it is dilute Native ion swaps extraction；Promote phosphorus oxygen in phosphotriester inhibitor using the phenyl ring conjugation sucking action in phenyl phosphate ester Key and the Fe in surrounding aqueous phase3+, sulfate radical be coordinated, reduce aqueous phase in dissociate Fe3+The free degree, suppress Fe3+With H+Handed over Change extraction；Utilize the weak coordination ability of leachate system sulfate radical so that phosphorus oxygen key and the Fe in surrounding aqueous phase3+, sulfate radical Coordination is not enough to form stable complex, to prevent Fe3+It is extracted by coordination mode into organic phase, so as to suppress Fe3+Competition to rare earth ion, realize the efficient extraction of rare earth ion.
The method of extracting rare-earth in the sulphuric leachate from Ree-phospeate Minerals of the present invention, it can be achieved dilute in leachate The efficient extraction of native ion, technique is simple and extraction yield is high.
Embodiment
Embodiment 1
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 34mg/L, sulfuric acid concentration 10 g/L, PO4 3— 3.58g/L, major impurity ion Fe3+ 2.98g/L、Al3+ 5.83 g/L、Mg2+ 4.09g/L、Ca2+ 0.39g/L and Mn2+ 1.29g/L, by volume, extraction organic phase is by 10% phenyl phosphate ester（4- (1,1,3,3- tetramethyl butyls) phosphenylic acid list- 4- (1,1,3,3- tetramethyl butyls) phenylesters are 53 with double [4- (1,1,3,3- tetramethyl butyls) phenyl] phosphate volume ratios: 47）, 2.5% decyl alcohol and 87.5% sulfonated kerosene be formulated, by above-mentioned extraction organic phase and sulphuric leachate according to extraction phase ratio （O/A）1:1 carries out 1 grade of extraction, extracts 5min, split-phase after the completion of extraction, the mg/ of measure raffinate Rare Earth Ion concentration 32.5 L、Fe3+ 0.22 g/L、Al3+ 5.82 g/L、Mg2+ 4.08g/L、Ca2+ 0.39g/L、Mn2+1.29g/L.As a result show：Extraction Under conditions of phosphotriester inhibitor not being added in organic phase, Fe3+It is more preferential than rare earth ion to be extracted into organic phase, substantially not Extracting rare-earth ion and other impurities ion.
Embodiment 2
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 34mg/L, sulfuric acid concentration 10 g/L, PO4 3— 3.58g/L, major impurity ion Fe3+ 2.98g/L、Al3+ 5.83 g/L、Mg2+ 4.09g/L、Ca2+ 0.39g/L and Mn2+ 1.29g/L.By volume, organic phase is extracted by 10% phenyl phosphate ester（4- (1,1,3,3- tetramethyl butyls) phosphenylic acid list- 4- (1,1,3,3- tetramethyl butyls) phenylesters are 53 with double [4- (1,1,3,3- tetramethyl butyls) phenyl] phosphate volume ratios: 47）, 5% tributyl phosphate, 2.5% decyl alcohol and 82.5% sulfonated kerosene be formulated, by above-mentioned extraction organic phase and sulphuric leachate According to extraction phase ratio（O/A）1:1 carries out 1 grade of extraction, extracts 5min, split-phase after the completion of extraction, determines raffinate Rare Earth Ion Concentration ＜ 1mg/L, Fe3+ 1.58g/L、Al3+ 5.82 g/L、Mg2+ 4.08g/L、Ca2+ 0.39g/L and Mn2+1.29g/L.Knot Fruit shows：Complete extracting rare-earth ion enters supported rare earth organic phase, except part Fe3+Outside being extracted, it is miscellaneous other are not extracted substantially Matter ion.
Embodiment 3
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 41mg/L, sulfuric acid concentration 100 g/L, PO4 3— 4.52g/L, major impurity ion Fe3+ 2.98g/L、Al3+ 5.83 g/L、Mg2+ 4.09g/L、Ca2+ 0.57g/L and Mn2+ 1.29g/L, by volume, extraction organic phase is by 20% phenyl phosphate ester（4- (1,1,3,3- tetramethyl butyls) phosphenylic acid list- 4- (1,1,3,3- tetramethyl butyls) phenylesters are 21 with double [4- (1,1,3,3- tetramethyl butyls) phenyl] phosphate volume ratios: 79）, 6% tributyl phosphate, 10% decyl alcohol and 64% sulfonated kerosene be formulated, above-mentioned extraction organic phase is pressed with sulphuric leachate According to extraction phase ratio（O/A）2:1 carries out 1 grade of extraction, extracts 10min, split-phase after the completion of extraction, it is dense to determine raffinate Rare Earth Ion Spend ＜ 1mg/L, Fe3+ 1.61g/L、Al3+ 5.83g/L、Mg2+ 4.08g/L、Ca2+ 0.56g/L and Mn2+1.28g/L.As a result table It is bright：Complete extracting rare-earth ion enters supported rare earth organic phase, except part Fe3+Be extracted it is outer, do not extract substantially other impurities from Son.
Embodiment 4
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 41mg/L, sulfuric acid concentration 100 g/L, PO4 3— 4.52g/L, major impurity ion Fe3+ 2.98g/L、Al3+ 5.83 g/L、Mg2+ 4.09g/L、Ca2+ 0.57g/L and Mn2+ 1.29g/L, by volume, extraction organic phase is by 20% phenyl phosphate ester（4- (1,1,3,3- tetramethyl butyls) phosphenylic acid list- 4- (1,1,3,3- tetramethyl butyls) phenylesters are 21 with double [4- (1,1,3,3- tetramethyl butyls) phenyl] phosphate volume ratios: 79）, 6% tributyl phosphate, 10% decyl alcohol and 64% sulfonated kerosene be formulated, above-mentioned extraction organic phase is pressed with sulphuric leachate According to extraction phase ratio（O/A）2:1 carries out 2 grades of extractions, extracts 10min, split-phase after the completion of extraction, it is dense to determine raffinate Rare Earth Ion Spend ＜ 1 mg/L, Fe3+ 1.48g/L、Al3+ 5.82g/L、Mg2+ 4.08g/L、Ca2+ 0.55g/L and Mn2+1.28g/L.As a result Show：Complete extracting rare-earth ion enters supported rare earth organic phase, except part Fe3+Outside being extracted, other impurities are not extracted substantially Ion.
Embodiment 5
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 21mg/L, sulfuric acid concentration 25 g/L, PO4 3— 3.58g/L, major impurity ion Fe3+ 1.83g/L、Al3+ 2.95 g/L、Mg2+ 2.04g/L、Ca2+ 0.18g/L and Mn2+ 0.65g/L, by volume, extraction organic phase is by 5% 4- (1,1,3,3- tetramethyl butyl) phosphenylic acid lists -4- (1,1,3,3- Tetramethyl butyl) phenylester, 5% trioctyl phosphate, 5% decyl alcohol and 85% sulfonated kerosene be formulated, by above-mentioned extraction organic phase with Sulphuric leachate is according to extraction phase ratio（O/A）3:1 carries out 3 grades of extractions, extracts 10min, split-phase after the completion of extraction, determines raffinate Rare Earth Ion concentration ＜ 1mg/L, Fe3+ 0.86g/L、Al3+ 2.95g/L、Mg2+ 2.04g/L、Ca2+ 0.17g/L and Mn2+ 0.63g/L.As a result show：Complete extracting rare-earth ion enters supported rare earth organic phase, except part Fe3+Outside being extracted, substantially not Extract other impurities ion.
Embodiment 6
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 21mg/L, sulfuric acid concentration 50 g/L, PO4 3— 3.58g/L, major impurity ion Fe3+ 1.83g/L、Al3+ 2.95 g/L、Mg2+ 2.04g/L、Ca2+ 0.18g/L and Mn2+ 0.65g/L, by volume, extraction organic phase is by 20% pair of [4- (1,1,3,3- tetramethyl butyl) phenyl] phosphate, 10% phosphoric acid Tributyl, 10% decyl alcohol and 60% sulfonated kerosene are formulated, by above-mentioned extraction organic phase and sulphuric leachate according to extraction phase ratio （O/A）3:1, which carries out 1 grade, extracts, extraction 20min, split-phase after the completion of extraction, measure raffinate Rare Earth Ion concentration ＜ 1mg/L, Fe3+ 0.89g/L、Al3+ 2.93g/L、Mg2+ 2.03g/L、Ca2+ 0.17g/L and Mn2+0.65g/L.As a result show：Extraction completely Rare earth ion is taken to enter supported rare earth organic phase, except part Fe3+It is extracted, does not extract other impurities ion substantially.
Embodiment 7
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 82mg/L, sulfuric acid concentration 100 g/L, PO4 3— 9.91g/L, major impurity ion Fe3+ 0.56g/L、Al3+ 5.83 g/L、Mg2+ 9.78g/L、Ca2+ 0.39g/L and Mn2+ 1.29g/L, by volume, extraction organic phase agent by 20% 4- (1,1,3,3- tetramethyl butyl) phosphenylic acid lists -4- (1,1,3, 3- tetramethyl butyls) phenylester, 10% trioctyl phosphate, 10% decyl alcohol and 60% sulfonated kerosene be formulated, and above-mentioned extraction is organic Mutually with sulphuric leachate according to extraction phase ratio（O/A）1:1 carries out 3 grades of extractions, extracts 10min, split-phase after the completion of extraction, measure extraction Extraction raffinate Rare Earth Ion concentration ＜ 1mg/L, Fe3+ 0.21g/L、Al3+ 5.81g/L、Mg2+ 9.75g/L、Ca2+ 0.37g/L and Mn2+1.29g/L.As a result show：Complete extracting rare-earth ion enters supported rare earth organic phase, except part Fe3+It is extracted outer, base This does not extract other impurities ion.
Embodiment 8
The sulphuric leachate of Ree-phospeate Minerals, wherein rare earth ion concentration 57mg/L, sulfuric acid concentration 50 g/L, PO4 3— 7.27g/L, major impurity ion Fe3+ 9.55g/L、Al3+ 6.84g/L、Mg2+ 5.54g/L、Ca2+ 0.59g/L and Mn2+ 1.45g/L, by volume, extraction organic phase is by 40% phenyl phosphate ester（4- (1,1,3,3- tetramethyl butyls) phosphenylic acid list- 4- (1,1,3,3- tetramethyl butyls) phenylesters are 87 with double [4- (1,1,3,3- tetramethyl butyls) phenyl] phosphate volume ratios: 13）, 20% tributyl phosphate, 20% decyl alcohol and 20% sulfonated kerosene be formulated, above-mentioned extraction organic phase is pressed with sulphuric leachate According to extraction phase than O/A be 2:1 carries out 1 grade of extraction, extracts 20min, split-phase after the completion of extraction, it is dense to determine raffinate Rare Earth Ion Spend ＜ 1mg/L, Fe3+ 5.25g/L、Al3+ 6.81g/L、Mg2+ 5.52g/L、Ca2+ 0.58g/L and Mn2+1.43g/L.As a result table It is bright：Complete extracting rare-earth ion enters in supported rare earth organic phase, except part Fe3+Outside being extracted, other impurities are not extracted substantially Ion.

Claims (3)

1. a kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals, the sulphuric leachate containing rare earth from 20 ~ 100 mg/L of son, 10 ~ 100g/L of sulfuric acid concentration, PO4 3— 2 ~ 10g/L, major impurity ion include Fe3+、Al3+、Mg2+、Ca2+ And Mn2+, and each concentration impurity ion≤10g/L；It is characterized in that step is as follows：By volume, organic phase is extracted by 5 ~ 40% benzene Base phosphate, 5 ~ 20% phosphotriesters, 2.5 ~ 20% decyl alcohol and 20 ~ 87.5% sulfonated kerosenes are formulated；By above-mentioned organic phase and sulphur Acid leaching liquor is according to extraction phase than 1 ~ 3:1 carries out 1 ~ 3 grade of extraction, extracts 5 ~ 20min, obtains supported rare earth organic phase and except rare earth Raffinate aqueous phase afterwards, realizes the extraction of rare earth.
2. the method for extracting rare-earth in the sulphuric leachate according to claim 1 from Ree-phospeate Minerals, its feature It is that the phenyl phosphate ester is 4- (1,1,3,3- tetramethyl butyls) phosphenylic acid lists -4- (1,1,3,3- tetramethyl butyls) phenyl One or both of ester or double [4- (1,1,3,3- tetramethyl butyls) phenyl] phosphates.
3. the method for extracting rare-earth in the sulphuric leachate according to claim 1 from Ree-phospeate Minerals, its feature It is that the phosphotriester is tributyl phosphate or trioctyl phosphate.
CN201710739305.8A 2017-08-25 2017-08-25 A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals Pending CN107419098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710739305.8A CN107419098A (en) 2017-08-25 2017-08-25 A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710739305.8A CN107419098A (en) 2017-08-25 2017-08-25 A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals

Publications (1)

Publication Number Publication Date
CN107419098A true CN107419098A (en) 2017-12-01

Family

ID=60434532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710739305.8A Pending CN107419098A (en) 2017-08-25 2017-08-25 A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals

Country Status (1)

Country Link
CN (1) CN107419098A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111074070A (en) * 2020-01-20 2020-04-28 广东省稀有金属研究所 Method for extracting yttrium from marine rare earth sulfuric acid leaching solution and extracted organic phase
CN115652113A (en) * 2022-10-28 2023-01-31 广东省科学院资源利用与稀土开发研究所 Method for extracting and separating rare earth from marine rare earth sulfuric acid leaching solution

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824536A (en) * 2009-03-03 2010-09-08 北京有色金属研究总院 Process for extracting rare-earth from sulfuric acid treating phosphorite process
CN102796888A (en) * 2012-09-09 2012-11-28 贵州黔鸿瑞磷稀土分裂开发有限公司 Process for extracting rare earth from phosphate concentrate
CN103184356A (en) * 2011-12-28 2013-07-03 北京有色金属研究总院 Treatment method for rare earth phosphate rock and enrichment method for rare earth
WO2013138900A1 (en) * 2012-03-19 2013-09-26 Orbite Aluminae Inc. Processes for recovering rare earth elements and rare metals
CN105886798A (en) * 2015-02-13 2016-08-24 有研稀土新材料股份有限公司 Method for recovering phosphorus and rare earth from rare earth-contained phosphorite
EP3141621A1 (en) * 2011-05-04 2017-03-15 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824536A (en) * 2009-03-03 2010-09-08 北京有色金属研究总院 Process for extracting rare-earth from sulfuric acid treating phosphorite process
EP3141621A1 (en) * 2011-05-04 2017-03-15 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
CN103184356A (en) * 2011-12-28 2013-07-03 北京有色金属研究总院 Treatment method for rare earth phosphate rock and enrichment method for rare earth
WO2013138900A1 (en) * 2012-03-19 2013-09-26 Orbite Aluminae Inc. Processes for recovering rare earth elements and rare metals
CN102796888A (en) * 2012-09-09 2012-11-28 贵州黔鸿瑞磷稀土分裂开发有限公司 Process for extracting rare earth from phosphate concentrate
CN105886798A (en) * 2015-02-13 2016-08-24 有研稀土新材料股份有限公司 Method for recovering phosphorus and rare earth from rare earth-contained phosphorite

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马荣骏，肖国光编著: "《循环经济的二次资源金属回收》", 30 June 2014, 北京：冶金工业出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111074070A (en) * 2020-01-20 2020-04-28 广东省稀有金属研究所 Method for extracting yttrium from marine rare earth sulfuric acid leaching solution and extracted organic phase
CN111074070B (en) * 2020-01-20 2021-06-29 广东省稀有金属研究所 Method for extracting yttrium from marine rare earth sulfuric acid leaching solution and extracted organic phase
CN115652113A (en) * 2022-10-28 2023-01-31 广东省科学院资源利用与稀土开发研究所 Method for extracting and separating rare earth from marine rare earth sulfuric acid leaching solution
CN115652113B (en) * 2022-10-28 2023-10-10 广东省科学院资源利用与稀土开发研究所 Method for extracting and separating rare earth from ocean rare earth sulfuric acid leaching solution

Similar Documents

Publication Publication Date Title
Yin et al. Effect of complexing agent lactic acid on the extraction and separation of Pr (III)/Ce (III) with di-(2-ethylhexyl) phosphoric acid
CN107419098A (en) A kind of method of extracting rare-earth in sulphuric leachate from Ree-phospeate Minerals
CN104762476B (en) Method of selectively extracting and separating molybdenum from high-phosphorus tungsten- and molybdenum-containing mixed solution
CN105543476B (en) The method of extract and separate yttrium for the mixed extractant of separating yttrium and from rare earth feed liquid
CN106011485B (en) From the method for extracting scandium oxide in waste residue containing scandium
CN109306404B (en) Extraction method of vanadium-containing solution
CN104195335B (en) Extraction separation method for heavy rare earth elements
CN106435181A (en) Synergic extraction agent for extracting and separating tungsten from molybdate solution, and method for extracting and separating tungsten from molybdate solution
GB1515596A (en) Treatment of ores or metallurgical by-products containing arsenic and antimony
WO2019114815A1 (en) Extraction solvent for lithium element and extraction method therefor
Spector et al. Photoelectron spectra of metallica neodymium and praseodymium compared with calculations of 3d94f3 and 3d94f2 in intermediate coupling
ES2261944T3 (en) A PROCESS FOR THE RECOVERY OF HIGH PURITY URANIUM FROM WEAK PHOSPHORIC ACID OF FERTILIZING QUALITY.
CN115652113A (en) Method for extracting and separating rare earth from marine rare earth sulfuric acid leaching solution
CN105018753A (en) Composite extraction agent and method for extracting, separating and recycling indium through composite extraction agent
CN105567958B (en) Uranium molybdenum extraction separating method in high uranium molybdenum ore solution leachate
WO2020211304A1 (en) Method for grouping and separating yttrium oxide from high-yttrium rare earth ore and method for grouping and separating yttrium oxide from middle-yttrium europium-rich rare earth ore
CN107475540A (en) A kind of technique of titanium white devil liquor recovery vanadium and titanium
US4016237A (en) Process for separation of the rare earths by solvent extraction
CN107299234A (en) A kind of green method of the recovering rare earth from useless fluorescent material and application thereof
CN109735729A (en) A kind of method that organic acid calcium salt assists acidic extractant extracting and separating rear earth element
CN111074070B (en) Method for extracting yttrium from marine rare earth sulfuric acid leaching solution and extracted organic phase
Schollenberger Organic phosphorus content of Ohio soils
CN114249308B (en) Method for extracting phosphorus resources and rare earth resources in phosphorus-containing mixed rare earth concentrate
US9174855B2 (en) Tributyl phosphate-nitrate solvent extraction process for producing high purity nuclear grade rare earth metal oxides
FI74491C (en) FOERFARANDE FOER GLOBAL UTVINNING AV URAN, YTTRIUM, TORIUM OCH SAELLSYNTA JORDARTSMETALLER UR FOSFATMALM INNEHAOLLANDE DESSA I SAMBAND MED FRAMSTAELLNING AV FOSFORSYRA ENLIGT DEN VAOTA METODEN.

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171201