Cum 1950, Sinicarara terraScientia et technology operarios deduxit extensive investigationis et progressionem in solvendo extractionem methodo pro separandorara terraElementa et effectum multorum scientificum investigationis results, quae late in rara terra industriae productio. In MCMLXX, N263 feliciter usus est in industria extract et separatumyttrium cadmiaeCum puritate 99.99%, repositoque ad Ion commutationem modum pro separandoyttrium cadmiae. Minus quam decimam ex Ionium modum; In MCMLXX, P204 extraction usi pro classicis recrystallization modum ad producendum luxrara terra oxidesANTOLIUM; EXTRAGENSLanthanus Oxideper methyl Dimethyl Heptyl Ester (P350) pro classical fractioni crystallization modum; In 1970s, processus ammoniaci P507 extraction et separatiorara terraelementa et extractionemyttriumCum NAPHHERICUS acid primum usus est in Sina scriptorrara terraHydrometallurgy industria; In celeri progressionem ex extraction technology in Sinis scriptorrara terraIndustria est inseparabilis ex labore Yuan Chengye et alia socios ex Seres Academy of Sciences Shanghai Institutum organicum elit. Variis extracturae (ut p204, p350, p507, etc) sunt feliciter investigentur fuisse late in industria; Et Cascade extractionem doctrina propositus et promoted per Professor Xu Guangxian de Peking University in 1970s has psallebat in Sina scriptor extraction et separationem technology. Eodem tempore, separationem processus optimized usura cascade extractionem doctrina propositus et late applicantur inrara terraextractionem et separationem industria.
Super praeteritum XL annorum, Sinis habet effectum multa mirabilia gestarum in agrorara terraseparationem et purificationem.
In 1960s, Beijing nonferrous metallis investigationis Institutum feliciter studuit cadmiae pulveris reduction alkalinity modum ad summus puritateEuropium cadmiae, Quod erat primum in Sina ad producendum products maius quam 99.99%. Hoc modo est in variisrara terrarumPer regionem usus est a fabrica; Shanghai Yuellong eget Plant, Fudan University, et Beijing Generalis Institutum nonferrous metalla cooperantur ad primum usum extractionem Ion commutationem processus ad ditandum 99.95% puritatem et puritatemyttrium cadmiae. In MCMLXX, p204 est ad ditandum N263 et obtainyttrium cadmiaeCum puritate super 99.99% per secundarium extractionem et purificationem.
De MCMLXVII ad MCMLXVIII, in experimentalem planta Jiangxi DCCCI Factory et Beijing nonferrous metallis investigationis Institutum cooperari ad feliciter studere processus of usura p204 extractionem creabant - N263 extractionem ad extractionem yttrium cadmiae. In December MCMLXVIII, in III-ton / Year yyttrium cadmiaeProductio officia aedificavit, cum puritate XCIX% ofyttrium cadmiae.
In MCMLXXII, in investigationis quadrigis formatae per quattuor societates, comprehendo Beijing nonferrous metalla investigationis Institutum, Jiangxi DCCCVI Factory, Jiangxi nonferrous Metallurgy Institutum, et Changsha nonferrous Metallurgy Institutum. Post duos annos iuncturam Research Experimenta ad Beijing nonferrous metallis investigationis institutione, processus exstrahendoyttrium cadmiaeUsura NAPIDEN acidum quod extrahetant et mixta Vocatus ut Diluent fuit feliciter studuit.
In MCMLXXIV, Changchun Institutum De Chemistry inventa primum quod cum separandorara terraElementa per NAPHHERICUS acidum extraction:yttriumet sita est in conspectu DominiLanthanusFaciens illud minimus facile extractum elementum in rara terra elementa. Ideo a technology pro separandoyttrium cadmiaeUsura NAPIDT acidum extraction ex nitric acidum ratio est propositus. In eodem tempore, in Beijing nonferrous metalla investigationis institutum conducted investigationis in separationemyttrium cadmiaeex hydrochloric acidum acidum systems per Naphenhenic acidum et expansi experimenta deduxit in Nanchang DCIII plant et jiujiang DCCCVI plant in MCMLXXV, per Longnan mixtarara terra cadmiaesicut rudis materia. In MCMLXXIV, Shanghai Yuellong eget Plant, Fudan University, et Beijing nonferrous metalla investigationis Institutum cooperantur ad studere separationemyttrium oxidE ex Monazite mixtarara terrabrunnisyttriumColumbium Ore utitur gravibusrara terraextrahi et grouped per p204 sicut rudis materia, etyttrium oxidE est separari a Naphhenicis acidum extraction. A amicitia competition erat tenebatur in tres fronts, ubi quisque exchanged intelligentia, didicit ab invicem in vires et infirmitates, et tandem prospere studuit 99.99%yttrium oxidE cum Chinese characteres.
De MCMLXXIV ad MCMLXXV, Nanchang DCIII Factory collaboretur in Changchun Institutum de Chemiae, Beijing Generalis Institutum non ferrea metallorum, Jiangxi Institutum non ferrea metallurgy, et alia ad feliciter studere tertia et alia ad feliciter studere tertia et alia ad feliciter studere tertia et alia ad feliciter studere tertia et alia unitates ad brumarum tertiam generationemyttrium oxidE extraction processus - Naphhenic acidum unum-step extractionem et extractionem summus puritateyttrium oxidE. Processus in operationem in MCMLXXVI.
In prima nationalibusRara terraExtraction Conference in BaOnou in MCMLXXVI, D. Xu Guangxian propositus theoriam de Caesar extraction. In MCMLXXVII, in "National Symposium inRara terraExtraction Caesar doctrina et usu "tenebatur ad Shanghai Yuellong eget planta, providing systematica et comprehensive introductio ad hanc doctrinam. Deinde, in cassum extractionem doctrina late applicantur in investigationis et productionem rara terra extraction separationem et purificationem.
In MCMLXXVI, in Beijing nonferrous metalla investigationis Institutum usus Baotou ore misceri cumrara terraad extractceriumex ditati materia. Et N263 extraction modum est ad separandumLanthanus praseodymium neodymium. Tria products sunt separata in unum extractionem, et puritatemLanthanus Oxide, praseodymium cadmiaeetNeodymium cadmiaeet circa XC%.
De MCMLXXIX ad MCMLXXXIII, BaOtouRara terraResearch Institutum et Beijing nonferrous metallis investigationis institutum developed a p507 hydrochloric acidum ratiorara terraExtraction separationis processus per BaoTou rara terra ora ut rudis materia ad consequi sex unarara terraProducts (puritate XCIX% ad 99,95%) deLanthanus, cerium, praseodymium, neodymium, SamariumetGadoliniumuteuropiumetTerbriumditati products. Processus erat brevis, continua, et uber puritas erat princeps.
In the early 1980s, Beijing Nonferrous Metals Research Institute collaborated with Jiujiang Nonferrous Metals Smelter, Changchun Institute of Applied Chemistry, and Jiangxi 603 Factory to carry out the national “Sixth Five Year Plan” research and successfully developed a process technology for fully separating singlerara terraElementa a Longnan mixtorara terraper P507 hydrochloric acidum ratio.
In MCMLXXXIII, in Jiujiang nonferrous metalla Flaver adoptatus processus technology de Beijing nonferrous metalla investigationis Institute scriptor "Naphthenic Acidum hydrochloric acidum ratio ad producendum fluorescent graduyttrium cadmiaeLongnan mixta rara terra "ad producendum fluorescent graduyttrium cadmiae, Reducing sumptus estyttrium cadmiaeEt occurrens in demandayttrium cadmiaeNam color television in Sina.
In MCMLXXXIV, Beijing Generalis Institutum non ferrea metalla feliciter studuit separationem summus puritateTerbrium cadmiaeusura p507 extraction resin usuraTerbriumditati substantiae sicut rudis materiae in Sinis.
In MCMLXXXV, Beijing nonferrous metallis investigationis Institutum Translatum Naphthenic Acidum extraction division fluorescent graduyttrium cadmiaeProcessus Technology ad pristini Germanico Respublica 1.71 million Helvetica Francos, quae erat primusrara terraSeparationem processus technology exported per Sinis.
De MCMLXXXIV ad MCMLXXXVI, Peking Universitatis completed Industrial experimenta in extractionem et separationem la / cepr / t et la / ce / pr in in P507-Hcl systema in tertiaRara terraPlant Baisteel. Plus quam XCVIII%praseodymium cadmiae, 99.5%Lanthanus Oxide, Plus quam LXXXV%cerium cadmiaeEt XCIX%Neodymium cadmiaesunt adeptus. In MCMLXXXVI, Shanghai Yuellong eget herba applicantur ad Optimization Design Theory de tribus Outlet extraction processus, in speculativo factum ex Peking University scriptor Caesar System Lux Rara Terrae P507-System. In industriae experimentum scale directe expanded ad Cascade extractionem doctrina consilio ad C tons, vehementer brevians cycle applicare novam processus ad productionem.
A MCMLXXXVI ad MCMLXXXIX, BaoTou Rare Terrae investigationis Institutum, Jiangxi DCIII Factory, et Beijing nonferrous metallis investigationis Institutum Developed a P507-Hcl System Multi Exiecunde 3-5 rara terram products per unum fractionem 3-5 rara terrae per unum fractionem extraction 3-5 rara terrae products per unum fractionem 3-5 rara terrae products per unum fractionem 3-5 rara terrae products per unam fractionem 3-5 rara terrae per unum fractionem extraction 3-5 rara products per unam fractionem 3-5 rara terrae per unum fractionem exiguam. Processus brevis sumptus-effective et flexibile.
A MCMXC ad MCMXCV, Beijing nonferrous metalla investigationis Institutum et BaoTouRara terraResearch Institutum collaborative ut suscipere in nationalibus "octava quinque annus consilium" scientific et technicae Research Project "investigationis in excelsum puritatem unumRara terraExtraction technology ". Sedecim unorara terra cadmiaeProducts cum puritate maius quam 99,999% ad 99,9999% sunt parati per extractionem modum, extractionem chromatography modum, Redox modum, et cationis commutationem fibra chromatography modum, respectively. Hoc processum habet pervenit ad internationalis provectus campester et vicit in nationalibus "octava quinque annus consilium" Maior Achievement Award.
In MM, Beijing nonferrous metallis investigationis instituere feliciter developed in electrolytic reductionem alkalinity modum parare summus puritateEuropium cadmiae. Ob vitandum pollutio de cadmiae pulveris in productum, hoc processus can extractEuropium cadmiaeCum autem puritate 5n-6N in unum ire. In MMI, an annua productionem linea XVIII tons summus puritateEuropium cadmiaeconstructum GansuRara terraCompany et posuit in operationem illius anni.
In summary, Sinis scriptorrara terraSeparatio et purificatio technology potest esse in mundum ducens, ut Naphhenica acidum extraction separationemyttrium cadmiaeLarger quam 5n, p507 extraction modum ad paratLanthanus Oxidemaior quam 5n, electrolytic reductionem extraction modum vel alkalinity modum ad paratEuropium cadmiaemaior quam 5n, etc. Sed in gradu automation imperium in separationem et purificationem industria est relative humilis, et quaedam conatibus habere pauperes qualitas stabilitatem et constantia est summus puritaterara terraproducts. Unde necesse est ut magis amplio apparatu campester of conatibus.
Post tempus: Nov-02-2023