Mai i nga tau 1950, Hainamanawhenua ongeHe nui te rangahau me te whakawhanaketanga o nga kaimahi putaiao me te hangarau mo te tikanga tangohanga whakarewa mo te wehewhenua ongehuānga, a kua tutuki maha rangahau pūtaiao, kua whakamahia whānuitia i roto i te hanga ahumahi whenua onge. I te 1970, i pai te whakamahi a N263 i roto i te ahumahi ki te tango me te weheyttrium waikurame te ma o 99.99%, whakakapi i te tikanga whakawhiti katote mo te weheyttrium waikura. Ko te utu i iti iho i te kotahi hautekau o tera o te tikanga whakawhiti katote; I te tau 1970, i whakamahia te tangohanga P204 hei utu mo te tikanga whakamaarama puāwaitanga hei whakaputa marama.waikura whenua onge; Te tangohangalanthanum waikurate whakamahi i te methyl dimethyl heptyl ester (P350) hei utu mo te tikanga whakatioatanga hautanga puāwaitanga; I roto i te 1970s, te tukanga o te haukini P507 tangohanga me te wehenga owhenua ongehuānga me te tangohanga oyttriumme te waikawa naphthenic i whakamahia tuatahi i Hainawhenua ongeahumahi hydrometallurgy; Te whanaketanga tere o te hangarau tangohanga i Hainawhenua ongeKo te ahumahi kaore e taea te wehe atu i nga mahi uaua a Yuan Chengye me etahi atu hoa mai i te Whare Wananga o Hainamana o Shanghai Institute of Organic Chemistry. He maha nga momo tangohanga (penei i te P204, P350, P507, me etahi atu) kua angitu te rangahau kua whakamahia nuitia i roto i te ahumahi; Ko te ariā tangohanga cascade i whakaarohia, i whakatairangatia e Ahorangi Xu Guangxian o te Whare Wananga o Peking i te tekau tau atu i 1970, he mahi arahi i roto i te hangarau tangohanga me te hangarau wehe a Haina. I te wa ano, i whakaarohia he tukanga wehenga i arotauhia ma te whakamahi i te ariā tangohanga cascade me te whakamahi whanui i roto i tewhenua ongeahumahi tangohanga me te wehenga.
I roto i nga tau 40 kua hipa, kua tutuki a Haina he maha nga whakatutukitanga whakamiharo i roto i te mara owhenua ongete wehenga me te purenga.
I te tekau tau atu i 1960, i rangahau angitu a Beijing Nonferrous Metals Research Institute i te tikanga kawakore whakaheke paura konutea ki te whakaputa i te parakore teitei.europium waikura, koinei te wa tuatahi i Haina ki te whakaputa hua nui ake i te 99.99%. Kei te whakamahia tonu tenei tikanga i roto i nga momo rerekewhenua ongeputa noa i te whenua e whakamahia ana e te wheketere; Shanghai Yuelong Chemical Plant, Whare Wananga o Fudan, me Beijing General Institute of Nonferrous Metals i mahi tahi ki te whakamahi tuatahi i te tukanga whakawhiti katote tangohanga ki te whakarangatira i te N263 me te P204 me te tango me te pure kia whiwhi 99.95% te parakore.yttrium waikura. I te tau 1970, i whakamahia a P204 ki te whakarangatira i te N263 me te whiwhiyttrium waikurame te parakore neke atu i te 99.99% na roto i te tangohanga tuarua me te purenga.
Mai i te 1967 ki te 1968, i mahi tahi te tipu whakamatautau o Jiangxi 801 Factory me Beijing Nonferrous Metals Research Institute ki te ako angitu i te tukanga o te whakamahi i te roopu tangohanga P204 - te tangohanga N263 hei tango i te waikura yttrium. I te Hakihea 1968, he 3-ton/tau yyttrium waikurahanga awheawhe production, ki te parakore o 99% oyttrium waikura.
I te tau 1972, i hangaia he roopu rangahau e nga kamupene e wha, tae atu ki te Beijing Nonferrous Metals Research Institute, Jiangxi 806 Factory, Jiangxi Nonferrous Metallurgy Research Institute, me Changsha Nonferrous Metallurgy Design Institute. I muri i nga tau e rua o nga whakamatautau rangahau tahi i Beijing Nonferrous Metals Research Institute, te tukanga o te tangoyttrium waikuraKo te whakamahi i te waikawa naphthenic hei tangohanga me te waipiro whakauru hei waimeha i pai te ako.
I te tau 1974, ka kitea e Changchun Institute of Applied Chemistry mo te wa tuatahi i te wa e wehe ana.whenua ongenga waahanga e whakamahi ana i te tangohanga waikawa naphthenic,yttriumi tu ki mua otauraki, na te mea ko te huānga iti rawa te tango i roto i nga huānga whenua onge. Na reira, he hangarau mo te weheyttrium waikurate whakamahi i te tangohanga waikawa naphthenic mai i te punaha waikawa nitric i whakaarohia. I te wa ano, te Beijing Nonferrous Metals Research Institute whakahaere rangahau i runga i te wehenga oyttrium waikuramai i nga punaha waikawa waikawa ma te whakamahi i te waikawa naphthenic, me nga whakamatautau whanui i whakahaerehia i Nanchang 603 Plant me Jiujiang 806 Plant i te tau 1975, ma te whakamahi i te Longnan ranunga.waikura whenua ongehei rauemi mata. I te tau 1974, i mahi tahi a Shanghai Yuelong Chemical Plant, Whare Wananga o Fudan, me Beijing Nonferrous Metals Research Institute ki te ako i te wehenga oyttrium oxide from monazite The mixedwhenua ongeo parauriyttriumKa whakamahia e te ore columbium te taumahawhenua ongeka tangohia, ka whakarōpūhia e P204 hei rauemi mata, ayttrium oxidka wehea e te tangohanga waikawa naphthenic. I whakahaeretia he whakataetae whakahoa i runga i nga wahanga e toru, i whakawhitiwhiti whakaaro te katoa, i ako mai i nga kaha me nga ngoikoretanga o tetahi ki tetahi, ka mutu te ako angitu i te mahi tangohanga waikawa naphthenic me te wehenga o te 99.99%yttrium oxide me nga ahuatanga Hainamana.
Mai i te 1974 ki te 1975, i mahi tahi a Nanchang 603 Factory me Changchun Institute of Applied Chemistry, Beijing General Institute of Non ferrous Metals, Jiangxi Institute of Non ferrous Metallurgy, me etahi atu waahanga ki te ako angitu i te reanga tuatoru.yttrium oxide tukanga tangohanga – waikawa naphthenic tangohanga kotahi-taahiraa me te tangohanga o te parakore-nuiyttrium oxide. I te tau 1976 ka whakahaeretia te tukanga.
I te tuatahi o NahinaraWhenua ongeHuihuinga Tangohanga i tu ki Baotou i te tau 1976, i whakaarohia e Mr. Xu Guangxian te ariā o te tangohanga cascade. I te tau 1977, ko te “National Symposium onWhenua ongeTangohanga Cascade Theory and Practice” i whakahaerehia i Shanghai Yuelong Chemical Plant, e whakarato ana i te whakaurunga nahanaha me te matawhānui ki tenei ariā. I muri mai, i whakamahia nuitia te ariā tangohanga cascade i roto i te rangahau me te hanga o te wehenga tangohanga whenua onge me te purenga.
I roto i te 1976, te Beijing Nonferrous Metals Research Institute whakamahia Baotou ore i konatunatua kiwhenua ongeki te tangoceriummai i te rauemi whakarangatira. I whakamahia te tikanga tangohanga N263 hei wehetauraki praseodymium neodymium. E toru nga hua i wehea i roto i te tangohanga kotahi, me te ma olanthanum waikura, te waikura praseodymium, awaikura neodymiumi tata ki te 90%.
Mai 1979 ki 1983, BaotouWhenua ongeI whakawhanakehia e te Whare Rangahau me te Beijing Nonferrous Metals Research Institute he punaha waikawa waikawa P507whenua ongetukanga wehenga tangohanga whakamahi Baotou onge whenua ore rite rauemi mata ki te whiwhi ono kotahiwhenua ongehua (ma 99% ki 99.95%) otauraki, cerium, praseodymium, neodymium, samarium, agadolinium, me teeuropiumatarauhua whakarangatira. He poto te tukanga, he haere tonu, he tiketike te ma o te hua.
I te timatanga o nga tau 1980, i mahi tahi a Beijing Nonferrous Metals Research Institute me Jiujiang Nonferrous Metals Smelter, Changchun Institute of Applied Chemistry, me Jiangxi 603 Factory ki te kawe i te rangahau a motu "Tuaono Mahere Rima Tau" me te pai te whakawhanake i tetahi hangarau tukanga mo te wehe katoa.whenua ongenga mea whakauru mai i Longnanwhenua ongete whakamahi i te P507 hydrochloric acid system.
I te tau 1983, i tangohia e te Jiujiang Nonferrous Metals Smelter te hangarau tukanga o te Beijing Nonferrous Metals Research Institute o te “naphthenic acid hydrochloric acid system to produce fluorescent grade.yttrium waikuramai i Longnan i konatunatua te whenua onge” ki te whakaputa i te karaehe korikoriyttrium waikura, te whakaiti i te utu oyttrium waikurame te whakatutuki i te hiahia moyttrium waikuramo te pouaka whakaata tae i Haina.
I te tau 1984, i rangahau angitu a Beijing General Institute of Non ferrous Metals i te wehenga o te tino parakore.waikura waikurate whakamahi i te kapia tangohanga P507 ma te whakamahitaraumatū whakarangatira hei rauemi mata i Haina.
I te tau 1985, i whakawhitia e te Beijing Nonferrous Metals Research Institute te reanga rewharewha tangohanga waikawa naphthenic.yttrium waikuratukanga hangarau ki te Tiamana Manapori o mua mo te 1.71 miriona Swiss francs, koinei te tuatahiwhenua ongehangarau tukanga wehenga i kaweake e Haina.
Mai i te 1984 ki te 1986, i oti i te Whare Wananga o Peking nga whakamatautau ahumahi mo te tangohanga me te wehenga o La/CePr/Nd me La/Ce/Pr i roto i te punaha P507-HCl i te Tuatoru.Whenua ongeTe tipu o Baosteel. Neke atu i te 98%te waikura praseodymium, 99.5%lanthanum waikura, neke atu i te 85%cerium waikura, me te 99%waikura neodymiumi whiwhi. I roto i te 1986, Shanghai Yuelong Chemical Plant tono te ariā hoahoa arotautanga o te tukanga tangohanga putanga e toru, he paetae ariā o Te Whare Wānanga o Peking te ariā tangohanga cascade, ki te whakahaere i te toru putanga ahumahi whakamātautau i roto i te P507-HCl pūnaha marama onge tukanga wehenga whenua hou hanga. Ko te tauine whakamatautau ahumahi i whakawhānui tika i te hoahoa ariā tangohanga cascade ki te 100 taranata, he tino whakapoto i te huringa o te whakamahi i te tukanga hou ki te whakaputa.
Mai i te 1986 ki te 1989, Baotou Rare Earth Research Institute, Jiangxi 603 Factory, me Beijing Nonferrous Metals Research Institute i whakawhanakehia he punaha P507-HCl he tukanga tangohanga maha, e taea ai te hanga tukutahi o nga hua whenua onge e 3-5 ma te tangohanga hautanga kotahi. He poto te tukanga, he utu-utu, he ngawari.
Mai i te 1990 ki te 1995, Beijing Nonferrous Metals Research Institute me BaotouWhenua ongeI mahi tahi te Whare Rangahau ki te whakahaere i te kaupapa rangahau a-motu "Tuwaru e rima tau" kaupapa rangahau putaiao me te hangarau "Rangahau mo te Maamaa TetahiWhenua ongeHangarau Tangohanga”. Tekau ma ono takitahiwaikura whenua ongeKo nga hua me te parakore nui ake i te 99.999% ki te 99.9999% i whakaritea ma te whakamahi i te tikanga tangohanga, te tikanga chromatography tangohanga, te tikanga redox, me te tikanga chromatography muka whakawhiti katote. Kua eke tenei tukanga ki te taumata matatau o te ao, ka riro i a Motu te Tohu Paetae Matua "Eighth Five Year Plan".
I roto i te 2000, Beijing Nonferrous Metals Research Institute i angitu te whakawhanake i te tikanga electrolytic whakaiti alkalinity ki te whakarite i te parakore teitei.europium waikura. Na te karo i te parahanga o te paura zinc i runga i te hua, ka taea e tenei tukanga te tangoeuropium waikurame te ma o 5N-6N i te haere kotahi. I roto i te 2001, he raina production ā-tau o 18 taranata o tiketike-maeuropium waikurai hanga ki GansuWhenua ongeKamupene me te whakahaere i taua tau.
Hei whakarāpopototanga, ko Hainawhenua ongeKa taea te kii ko te hangarau wehe me te purenga te rangatira o te ao, penei i te wehenga tangohanga waikawa naphthenic.yttrium waikuranui ake i te 5N, te tikanga tangohanga P507 mo te whakaritelanthanum waikuranui ake i te 5N, te tikanga tangohanga whakaheke hiko, te tikanga alkalinity ranei mo te whakariteeuropium waikuranui ake i te 5N, me etahi atu. Heoi, he iti noa te taumata o te mana whakahaere aunoatanga i roto i te ahumahi wehewehe me te purenga, a, ko etahi o nga umanga he ngoikore te kounga o te kounga me te rite o te tino parakore.whenua ongehua. Na reira, me whakapai ake i te taumata taputapu o nga umanga.
Wā tuku: Nov-02-2023