Talu mai le 1950s, Sainaeleele seaseaSaienisi ma tekinolosi tagata faigaluega ua faia suʻesuʻega tele ma le atinaʻeina i luga o le auala e aveese ai solvent mo le vavaeeseinaeleele seaseaelemene, ma ua ausia le tele o suʻesuʻega faʻasaienisi, lea na faʻaaogaina lautele i le gaosiga o fale gaosi oloa. I le 1970, na faʻaaogaina lelei le N263 i alamanuia e aveese ma vavae eseyttrium oxidefaʻatasi ai ma le mama o le 99.99%, sui le auala faʻafefeteina mo le vavaeeseinayttrium oxide. O le tau na i lalo ifo o le tasi vaesefulu o le tau o le auala e fesuiai ai ion; I le 1970, na faʻaaogaina ai le faʻaogaina o le P204 nai lo le faʻaogaina o le auala masani e maua ai le malamalama.oxides eleele seasea; Ave'eselanthanum oxidefa'aogaina o le methyl dimethyl heptyl ester (P350) nai lo le faiga fa'ata'ali'i fa'ata'oto; I le 1970s, o le faagasologa o le ammonia P507 aveesea ma le vavaeeseina oeleele seaseaelemene ma le aveeseina oyttriumfa'atasi ai ma le naphthenic acid na fa'aaogaina muamua i Sainaeleele seaseaalamanuia hydrometallurgy; Le televave o le atinaʻeina o tekinolosi faʻapipiʻiina i Sainaeleele seaseaalamanuia e le mavavaeeseina mai le galue malosi a Yuan Chengye ma isi uo mai le Saina Academy o Saienisi Shanghai Inisetiute o Organic Chemistry. Eseese extractants (e pei o P204, P350, P507, ma isi) latou manuia suʻesuʻe ua faʻaaogaina lautele i alamanuia; O le a'oa'oga o le fa'aaogaina o le cascade na fa'atuina ma fa'alauiloa e le Polofesa Xu Guangxian o le Iunivesite o Peking i le 1970s ua fa'atinoina se ta'iala i le fa'aaogaina ma le vavae'esega a Saina. I le taimi lava e tasi, o se faiga tuueseeseina ua sili ona lelei i le faaaogaina o le cascade extraction theory sa fuafuaina ma lautele faaaogaina i leeleele seaseafa'ato'aga ma tu'u'ese'ese pisinisi.
I le 40 tausaga talu ai, ua ausia e Saina le tele o mea mataʻina i le matata oeleele seaseatuueseeseina ma le faamamaina.
I le vaitau o le 1960, na suʻesuʻeina ma le manuia e le Beijing Nonferrous Metals Research Institute le faʻaitiitia o le alkalinity paʻu paʻu zinc e maua ai le mama maualuga.europium oxide, o le taimi muamua lea i Saina e gaosia ai oloa e sili atu nai lo le 99.99%. O lenei metotia o loʻo faʻaaogaina pea i tulaga eseeseeleele seaseai le atunuu atoa o loʻo faʻaaogaina e le fale gaosi oloa; Shanghai Yuelong Chemical Plant, Fudan University, ma Beijing General Institute of Nonferrous Metals na galulue faʻatasi e faʻaaoga muamua se faʻagasologa o le fesuiaiga o le ion e faʻatamaoaigaina ai le N263 ma le P204 ma faʻapipiʻi ma faʻamamaina e maua ai le 99.95% mama.yttrium oxide. I le 1970, P204 na faʻaaogaina e faʻatamaoaigaina ai le N263 ma mauayttrium oxidefa'atasi ai ma le mama e sili atu i le 99.99% e ala i le fa'aaogaina lona lua ma le fa'amamaina.
Mai le 1967 i le 1968, o le fale faʻataʻitaʻi a Jiangxi 801 Factory ma Beijing Nonferrous Metals Research Institute na galulue faʻatasi e suʻesuʻe lelei le faʻagasologa o le faʻaogaina o le P204 faʻapipiʻi faʻavae - N263 faʻapipiʻi e aveese ai le yttrium oxide. Ia Tesema 1968, e 3 tone/tausaga yyttrium oxidena fausia faleaoga gaosiga, ma se mama o 99% oyttrium oxide.
I le 1972, na fausia ai se au suʻesuʻe e kamupani e fa, e aofia ai Beijing Nonferrous Metals Research Institute, Jiangxi 806 Factory, Jiangxi Nonferrous Metallurgy Research Institute, ma Changsha Nonferrous Metallurgy Design Institute. Ina ua maeʻa le lua tausaga o suʻesuʻega suʻesuʻega faʻatasi i le Beijing Nonferrous Metals Research Institute, o le faagasologa o le suʻeinayttrium oxidele fa'aogaina o le naphthenic acid e fai ma mea e fa'afefiloi ai ma le ava fa'afefiloi e fai ma vai fa'asusu na su'esu'eina ma le manuia.
I le 1974, na maua ai e Changchun Institute of Applied Chemistry mo le taimi muamua e faapea pe a vavae ese.eleele seaseaelemene e faʻaaogaina ai le naphthenic acid,yttriumsa tu i luma olanthanum, ma avea ai ma elemene e sili ona faigofie ona maua i elemene eleele e le masani ai. O le mea lea, o se tekinolosi mo le vavaeeseinayttrium oxidefa'aogaina le fa'asusuina o le naphthenic acid mai le fa'aogaina o le nitric acid system. I le taimi lava e tasi, o le Beijing Nonferrous Metals Research Institute na faia suʻesuʻega i le vavaeeseina oyttrium oxidemai hydrochloric acid system e faʻaaoga ai le naphthenic acid, ma faʻalauteleina suʻesuʻega na faia i Nanchang 603 Plant ma Jiujiang 806 Plant i le 1975, faʻaaogaina Longnan fefiloi.oxide eleele seaseae pei o mea mata. I le 1974, Shanghai Yuelong Chemical Plant, Fudan University, ma Beijing Nonferrous Metals Research Institute na galulue faatasi e suʻesuʻe le vavaeeseina oyttrium oxide mai monazite O fefiloieleele seasealanu enaenayttriumcolumbium ore fa'aaogaina le mamafaeleele seaseaaumai ma fa'avasegaina e le P204 e fai ma mea mata, mayttrium oxide tu'u'ese'ese e ala i le su'eina o le naphthenic acid. O se tauvaga faauo na faia i luma e tolu, lea na fefaʻasoaaʻi ai tagata uma, aʻoaʻo mai le malosi ma vaivaiga o le tasi i le isi, ma mulimuli ane suʻesuʻeina ma le manuia le faʻaogaina o le naphthenic acid ma le vavaeeseina o le 99.99%yttrium oxide iai uiga fa'aSaina.
Mai le 1974 i le 1975, Nanchang 603 Factory na galulue faatasi ma Changchun Institute of Applied Chemistry, Beijing General Institute of Non ferrous Metals, Jiangxi Institute of Non ferrous Metallurgy, ma isi iunite e suʻesuʻe lelei le tupulaga lona tolu.yttrium oxidu fa'agasologa o le aveeseina - naphthenic acid le la'asaga tasi ma le fa'amama maualugayttrium oxidu. O le faagasologa na faʻatinoina i le 1976.
I le uluai NationalLalolagi SeaseaExtraction Conference na faia i Baotou i le 1976, Mr. Xu Guangxian na tuʻuina atu le aʻoaʻoga o le cascade extraction. I le 1977, le “National Symposium onLalolagi SeaseaExtraction Cascade Theory and Practice" sa faia i Shanghai Yuelong Chemical Plant, ma maua ai se faʻamatalaga faʻapitoa ma atoatoa i lenei manatu. Mulimuli ane, o le cascade extraction theory na faʻaaogaina lautele i le suʻesuʻega ma le gaosiga o le vavaeeseina ma le faʻamamaina o le eleele.
I le 1976, na faʻaaogaina e le Beijing Nonferrous Metals Research Institute le Baotou ore faʻafefiloi maeleele seaseae aumaiceriummai mea fa'atamaoaigaina. O le N263 faʻaaogaina auala na faʻaaogaina e vavae ese ailanthanum praseodymium neodymium. E tolu oloa na tuueseeseina i le tasi fa'aputuga, ma le mama olanthanum oxide, praseodymium oxide, maneodymium oxidee tusa ma le 90%.
Mai le 1979 i le 1983, BaotouLalolagi SeaseaInisetiute Su'esu'e ma le Beijing Nonferrous Metals Research Institute na atia'e se P507 hydrochloric acid systemeleele seaseafa'agasologa o le vavaeeseina o le fa'aogaina o le Baotou e seasea maua le eleele e pei o mea mata e maua ai le ono tasieleele seaseaoloa (mama 99% i 99.95%) olanthanum, cerium, praseodymium, neodymium, samarium, magadolinium, faa;pei foi onaeuropiummafa'ama'ioloa fa'atamaoaigaina. Sa puupuu le faagasologa, faifai pea, ma sa maualuga le mama o oloa.
I le amataga o le 1980s, Beijing Nonferrous Metals Research Institute na galulue faatasi ma Jiujiang Nonferrous Metals Smelter, Changchun Institute of Applied Chemistry, ma Jiangxi 603 Factory e faia ai le suʻesuʻega a le atunuʻu "Ono Lima Tausaga Fuafuaga" ma atiina ae manuia se tekinolosi faagasologa mo le vavaeeseina atoatoa tasi.eleele seaseaelemene mai Longnan fefiloieleele seaseafa'aaoga le P507 hydrochloric acid system.
I le 1983, na faʻaaogaina e le Jiujiang Nonferrous Metals Smelter le faʻagasologa o tekinolosi a le Beijing Nonferrous Metals Research Institute a le "naphthenic acid hydrochloric acid system e maua ai le fluorescent grade.yttrium oxidemai Longnan fefiloi eleele seasea" e maua ai le togi fluorescentyttrium oxide, fa'aitiitia le tau oyttrium oxidema faafetaiaia le manaoga moyttrium oxidemo televise lanu i Saina.
I le 1984, Beijing General Institute of Non ferrous Metals suʻesuʻeina ma le manuia le vavaeeseina o le mama maualuga.terbium oxidefa'aaoga le P507 fa'aaogaina resini fa'aaogafa'ama'imea fa'atamaoaigaina e pei o mea mata i Saina.
I le 1985, Beijing Nonferrous Metals Research Institute fesiitai le naphthenic acid extraction separation fluorescent gradeyttrium oxidefaiga faatekonolosi i le Siamani Democratic Republic muamua mo 1.71 miliona Swiss francs, o le muamuaeleele seaseafaatekonolosi faiga tuueseeseina auina atu i fafo e Saina.
Mai le 1984 i le 1986, na faʻamaeʻaina e le Iunivesite o Peking suʻesuʻega faʻapisinisi i le aveeseina ma le vavaeeseina o La / CePr / Nd ma La / Ce / Pr i le P507-HCl system i le Tolu.Lalolagi SeaseaLa'au o Baosteel. Sili atu i le 98%praseodymium oxide, 99.5%lanthanum oxide, sili atu i le 85%cerium oxide, ma le 99%neodymium oxidena maua. I le 1986, Shanghai Yuelong Chemical Plant faaaogaina le manatu mamanu optimization o le faagasologa e tolu Outlet aveesea, o se theoretical ausia o le Peking University's cascade extraction theory, e faia ai se suesuega fale gaosi oloa e tolu i le fou fausia P507-HCl faiga malamalama seseparate faagasologa o le lalolagi. O le fua fa'ata'ita'iga fa'apisinisi na fa'alautele sa'o ai le fa'ata'ita'iga o le fa'ata'ita'iga o le cascade i le 100 tone, fa'apu'upu'u tele le ta'amilosaga o le fa'aogaina o le faiga fou i le gaosiga.
Mai le 1986 i le 1989, Baotou Rare Earth Research Institute, Jiangxi 603 Factory, ma Beijing Nonferrous Metals Research Institute atiaʻe se faiga P507-HCl multi outlet extraction process, lea e mafai ai mo le gaosiga tutusa o le 3-5 mea e le masani ai le eleele e ala i le tasi vaega vaega. O le faagasologa e puupuu, taugofie, ma fetuutuunai.
Mai le 1990 i le 1995, Beijing Nonferrous Metals Research Institute ma BaotouLalolagi SeaseaNa galulue fa'atasi le Inisetiute Su'esu'e e fa'atino le Fuafuaga Fa'asaienisi ma Fa'atekonolosi a le atunu'u "Su'esu'ega i luga ole Tulaga Mamalu Maualuga.Lalolagi SeaseaTekonolosi Aveese”. E sefuluono nofofuaoxide eleele seaseaO oloa e iai le mama e sili atu i le 99.999% i le 99.9999% na saunia e ala i le fa'aaogaina o auala, auala fa'apipi'i, auala redox, ma le fa'aliliuina o le fiber chromatography. O lenei faiga ua ausia le tulaga maualuga faavaomalo ma manumalo i le National "Valu Tausaga Lima Fuafuaga" Faailoga Taualoa Ausia.
I le 2000, o le Beijing Nonferrous Metals Research Institute na faʻamanuiaina le atinaʻeina o le auala e faʻaitiitia ai le eletise eletise e saunia ai le mama maualuga.europium oxide. Ona o le aloese mai le filogia o le paʻu zinc i luga o le oloa, o lenei faagasologa e mafai ona aveeseaeuropium oxidema le mama o le 5N-6N i le tasi alu. I le 2001, o se laina gaosiga faaletausaga o 18 tone o maualuga-mamaeuropium oxidena fausia i GansuLalolagi SeaseaKamupani ma fa'atino i lena tausaga.
I se aotelega, o Sainaeleele seaseavavaeeseina ma le faamamaina tekinolosi e mafai ona faapea e taʻimua i le lalolagi, e pei o le naphthenic acid extraction separation oyttrium oxidesili atu nai lo le 5N, P507 auala faʻapipiʻi mo le sauniunilanthanum oxidesili atu nai lo le 5N, auala fa'aitiitiga fa'aitiitiga eletise po'o le alkalinity auala mo le sauniaeuropium oxidesili atu nai lo le 5N, ma isi. Ae ui i lea, o le tulaga o le faʻaogaina o masini i le vavaeeseina ma le faʻamamaina o pisinisi e maualalo, ma o nisi pisinisi e le lelei le mautu ma le tumau o le mama maualuga.eleele seaseaoloa. O le mea lea, e tatau ona faʻaleleia atili le tulaga o meafaigaluega o pisinisi.
Taimi meli: Nov-02-2023