Tun daga shekarun 1950, Sinancikasa kasaMa'aikatan kimiyya da fasaha sun gudanar da bincike mai zurfi da ci gaba a kan hanyar hakar sauran ƙarfi don rarrabuwakasa kasaabubuwa, kuma sun sami sakamakon binciken kimiyya da yawa, waɗanda aka yi amfani da su sosai wajen samar da masana'antu na ƙasa da ba kasafai ba. A cikin 1970, an yi nasarar amfani da N263 a masana'antu don hakowa da rarrabayttrium oxidetare da tsabta na 99.99%, maye gurbin hanyar musayar ion don rabuwayttrium oxide. Kudin ya kasance ƙasa da ɗaya bisa goma na hanyar musayar ion; A cikin 1970, an yi amfani da hakar P204 maimakon hanyar recrystalization na gargajiya don samar da haske.rare duniya oxides; Cirolanthanum oxideta yin amfani da methyl dimethyl heptyl ester (P350) maimakon na gargajiya juzu'i na crystallization; A cikin 1970s, aiwatar da ammonia P507 hakar da rabuwa dakasa kasaabubuwa da hakar nayttriumAn fara amfani da acid naphthenic a cikin Sinancikasa kasamasana'antar hydrometallurgy; Ci gaban fasahar hakowa cikin sauri a kasar Sinkasa kasaMasana'antu ba za su iya rabuwa da kwazon Yuan Chengye da sauran abokan aikin kwalejin kimiyya na kasar Sin na kwalejin kimiyyar sinadarai ta Shanghai. Abubuwan da aka cire daban-daban (kamar P204, P350, P507, da dai sauransu) da suka yi nasarar bincike an yi amfani da su sosai a masana'antu; Ka'idar hakar cascade da farfesa Xu Guangxian na jami'ar Peking ya gabatar kuma ya gabatar a cikin shekarun 1970 ya taka muhimmiyar rawa wajen hako da fasahohin raba kasar Sin. A lokaci guda, an inganta tsarin rabuwa ta amfani da ka'idar hakar cascade kuma an yi amfani da ita sosai a cikinkasa kasahakar da kuma rabuwa masana'antu.
A cikin shekaru 40 da suka gabata, kasar Sin ta samu nasarori masu ban mamaki da dama a fanninkasa kasarabuwa da tsarkakewa.
A cikin 1960s, Cibiyar Nazarin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙaƙwalwar Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙan Ƙarfafa ta Beijing ya yi nasara a cikin shekarun 1960.europium oxide, wanda shine karo na farko a kasar Sin don samar da kayayyaki fiye da 99.99%. Har yanzu ana amfani da wannan hanyar a cikin daban-dabankasa rarea duk fadin kasar da masana'anta ke amfani da su; Shanghai Yuelong Chemical Shuka, Jami'ar Fudan, da Babban Cibiyar Nonferrous Metals na Beijing sun haɗu don fara amfani da tsarin musayar ion don wadatar da N263 tare da P204 da cirewa da tsarkakewa don samun tsabtar 99.95%yttrium oxide. A 1970, an yi amfani da P204 don wadatar da N263 da samunyttrium oxidetare da tsafta sama da 99.99% ta hanyar hakar sakandare da tsarkakewa.
Daga 1967 zuwa 1968, da gwaji shuka na Jiangxi 801 Factory da kuma Beijing Nonferrous karafa Research Cibiyar hadin gwiwa nasarar nazarin kan aiwatar da yin amfani da P204 hakar rukunoni - N263 hakar don cire yttrium oxide. A cikin Disamba 1968, 3-ton / shekara yyttrium oxidesamar da taron da aka gina, tare da tsarki na 99% nayttrium oxide.
A cikin 1972, kamfanoni hudu sun kafa ƙungiyar bincike, ciki har da Cibiyar Nazarin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin A 1972, ciki har da Beijing Nonferrous Metals Research Institute, Jiangxi 806 Factory, Jiangxi Nonferrous Metallurgy Research Institute, da Changsha Nonferrous Metallurgy Design Institute. Bayan shekaru biyu na gwaje-gwajen bincike na hadin gwiwa a Cibiyar Nazarin Karfe ta Beijing, tsarin hakowayttrium oxideta yin amfani da acid naphthenic a matsayin mai cirewa da kuma gauraye barasa a matsayin diluent an samu nasarar yin nazari.
A cikin 1974, Cibiyar Nazarin Kimiyya ta Changchun ta gano a karon farko cewa lokacin da aka rabu.kasa kasaabubuwan da ke amfani da cirewar naphthenic acid,yttriumya kasance a gabanlantanum, mai da shi mafi ƙarancin sauƙin cirewa a cikin abubuwan da ba kasafai ba a duniya. Saboda haka, fasaha don rabuwayttrium oxideAn ba da shawarar yin amfani da hakar naphthenic acid daga tsarin nitric acid. A sa'i daya kuma, cibiyar bincike kan karafa ta Beijing ta gudanar da bincike kan rabuwaryttrium oxidedaga tsarin hydrochloric acid ta hanyar amfani da naphthenic acid, kuma an gudanar da gwaje-gwajen fadada a Nanchang 603 Plant da Jiujiang 806 Plant a 1975, ta amfani da Longnan gauraye.rare duniya oxidea matsayin albarkatun kasa. A 1974, Shanghai Yuelong Chemical Shuka, Jami'ar Fudan, da Beijing Nonferrous Metals Research Institute sun yi hadin gwiwa don nazarin rabuwa.yttrium oxidee daga monazite A gaurayekasa kasana launin ruwan kasayttriumcolumbium tama yana amfani da nauyikasa kasaP204 da aka fitar kuma aka haɗa su azaman albarkatun ƙasa, kumayttrium oxidee ya rabu da naphthenic acid hakar. An gudanar da gasar sada zumunci ta bangarori uku, inda kowa da kowa ya yi musanyar hankaka, inda aka yi koyi da karfi da raunin juna, daga karshe kuma an yi nasarar yin nazari kan yadda ake fitar da sinadarin naphthenic acid da rabuwa da kashi 99.99%.yttrium oxidee tare da halayen Sinanci.
Daga 1974 zuwa 1975, Nanchang 603 Factory tare da Changchun Institute of Applied Chemistry, Beijing General Institute of Non Ferrous Metals, Jiangxi Institute of Non Ferrous Metallurgy, da sauran raka'a don samun nasarar nazarin ƙarni na uku.yttrium oxidee hakar tsari - naphthenic acid daya mataki hakar da kuma hakar na high-tsarkiyttrium oxidee. An fara aiwatar da tsarin a cikin 1976.
A farkon kasaRare DuniyaTaron hakar da aka yi a Baotou a shekarar 1976, Mr. Xu Guangxian ya ba da shawarar ka'idar hakar cascade. A cikin 1977, "National Symposium onRare DuniyaThe Extraction Cascade Theory and Practice" an gudanar da shi a Shanghai Yuelong Chemical Plant, yana ba da tsari mai tsari da cikakkiyar gabatarwa ga wannan ka'idar. Daga baya, an yi amfani da ka'idar hakar cascade sosai a cikin bincike da samar da rabuwa da tsaftar ƙasa ba kasafai ba.
A cikin 1976, Cibiyar Nazarin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙa A 1976 ta Beijing ta yi amfani da Baotou tama a haɗe da shikasa kasacirewaceriumdaga kayan da aka wadatar. An yi amfani da hanyar hakar N263 don rabalantanum praseodymium neodymium. Uku kayayyakin da aka rabu a daya hakar, da kuma tsarki nalanthanum oxide, praseodymium oxide, kumaneodymium oxideya kasance kusan 90%.
Daga 1979 zuwa 1983, BaotouRare DuniyaCibiyar Bincike da Cibiyar Nazarin Ƙarfe-Ƙarfe ta Beijing sun haɓaka tsarin P507 hydrochloric acidkasa kasahakar rabuwa tsari ta amfani da Baotou rare ƙasa tama a matsayin albarkatun kasa don samun shida gudakasa kasasamfurori (tsarki 99% zuwa 99.95%) nalantanum, cerium, praseodymium, neodymium, samari, kumagadolinium, har daeuropiumkumaterbiumwadatar kayayyakin. Tsarin ya kasance gajere, ci gaba, kuma samfurin ya kasance mai girma.
A farkon 1980s, Beijing Nonferrous Metals Research Institute hada gwiwa tare da Jiujiang Nonferrous Metals Smelter, Changchun Institute of Applied Chemistry, da Jiangxi 603 Factory don gudanar da kasa da kasa "shida shekaru biyar Tsare-tsare" bincike da kuma samu nasarar ɓullo da wani tsari fasaha domin cikakken rabuwa guda guda.kasa kasaabubuwa daga Longnan gaurayekasa kasata amfani da tsarin P507 hydrochloric acid.
A cikin 1983, Jiujiang Nonferrous Metals Smelter ya karɓi fasahar aiwatarwa na Cibiyar Binciken Karfe Nonferrous Metals ta Beijing "tsarin naphthenic acid hydrochloric acid don samar da matakin kyalli.yttrium oxidedaga Longnan gauraye rare kasa” don samar da kyalli gradeyttrium oxide, rage farashinyttrium oxideda biyan bukatayttrium oxidedon talabijin launi a kasar Sin.
A shekara ta 1984, Babban Cibiyar Ba da Karfe Karfe ta Beijing ta yi nasarar nazarin rabuwa da tsafta.terbium oxideta amfani da guduro hakar P507 ta amfani daterbiumwadatattun abubuwa a matsayin albarkatun kasa a kasar Sin.
A cikin 1985, Cibiyar Kula da Kayayyakin Moterrous da ba ta dace ba a Cibiyar Kula da ACHAthyttrium oxidefasahar aiwatarwa zuwa tsohuwar jamhuriyar dimokaradiyyar Jamus akan kudin Swiss francs miliyan 1.71, wanda shine farkonkasa kasafasahar tsarin rabuwa da kasar Sin ke fitarwa.
Daga 1984 zuwa 1986, Jami'ar Peking ta kammala gwaje-gwajen masana'antu kan hakar da rabuwar La/CePr/Nd da La/Ce/Pr a cikin tsarin P507-HCl a na uku.Rare DuniyaShuka na Baosteel. Fiye da 98%praseodymium oxide, 99.5%lanthanum oxide, fiye da 85%cerium oxidekuma 99%neodymium oxideaka samu. A cikin 1986, Shanghai Yuelong Chemical Shuka yi amfani da ingantawa zane ka'idar na uku kanti hakar tsari, a ka'idar nasara na jami'ar Peking cascade hakar ka'idar, don gudanar da uku kanti masana'antu gwaji a cikin sabon gina P507-HCl tsarin haske rare duniya rabuwa tsari. Ma'aunin gwajin masana'antu kai tsaye ya faɗaɗa ƙirar ka'idar hakar cascade zuwa tan 100, yana rage sake zagayowar amfani da sabon tsari don samarwa.
Daga 1986 zuwa 1989, Baotou Rare Earth Research Institute, Jiangxi 603 Factory, da Beijing Nonferrous Metals Research Institute ɓullo da wani P507-HCl tsarin Multi kanti hakar tsari, wanda damar domin lokaci guda samar da 3-5 rare duniya kayayyakin ta daya juzu'i hakar. Tsarin gajere ne, mai tsada, kuma mai sassauƙa.
Daga 1990 zuwa 1995, Cibiyar Nazarin Karfa ta Beijing da BaotouRare DuniyaCibiyar Bincike ta haɗa kai don aiwatar da shirin "Shirin Shekaru Biyar na Takwas" na ƙasa "Bincike akan Babban Tsabta Single"Rare DuniyaFasahar Haɓaka”. Guda goma sha shidarare duniya oxidesamfuran da ke da tsabta fiye da 99.999% zuwa 99.9999% an shirya su ta amfani da hanyar hakar, hanyar hakar chromatography, hanyar redox, da hanyar musayar fiber chromatography, bi da bi. Wannan tsari ya kai matakin ci gaba na kasa da kasa kuma ya sami lambar yabo na Babban Nasara na Kasa "Shirin Shekara Biyar Na Takwas".
A shekara ta 2000, Cibiyar Nazarin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafa A 2000 ya yi nasarar samar da hanyar rage alkalinity na electrolytic don shirya tsabta mai tsabta.europium oxide. Saboda guje wa gurɓataccen foda na zinc akan samfurin, wannan tsari zai iya cirewaeuropium oxidetare da tsaftar 5N-6N a tafi daya. A 2001, wani shekara-shekara samar line na 18 ton na high-tsarkieuropium oxideaka gina a GansuRare DuniyaKamfanin kuma ya fara aiki a wannan shekara.
A takaice, kasar Sinkasa kasafasahar rabuwa da tsarkakewa za a iya cewa ita ce kan gaba a duniya, kamar naphthenic acid cirewar rabuwa nayttrium oxideya fi girma fiye da 5N, hanyar hakar P507 don shiryawalanthanum oxideya fi girma fiye da 5N, hanyar cirewar rage electrolytic ko hanyar alkalinity don shiryawaeuropium oxideya fi girma fiye da 5N, da dai sauransu. Duk da haka, matakin sarrafa sarrafa kansa a cikin masana'antar rabuwa da tsarkakewa yana da ƙasa kaɗan, kuma wasu kamfanoni suna da kwanciyar hankali mara kyau da daidaiton tsafta.kasa kasasamfurori. Don haka, ya zama dole a kara inganta matakin kayan aiki na kamfanoni.
Lokacin aikawa: Nov-02-2023