Mai ka makahiki 1950, Kinahonua lahaUa alakaʻi nā limahana ʻepekema a me ka ʻenehana i ka noiʻi nui a me ka hoʻomohala ʻana i ke ʻano o ka wehe ʻana i ka solvent no ka hoʻokaʻawale ʻanahonua lahanā mea, a ua loaʻa i nā hopena noiʻi ʻepekema he nui, i hoʻohana nui ʻia i ka hana ʻenehana honua. I ka makahiki 1970, ua hoʻohana maikaʻi ʻia ʻo N263 i ka ʻoihana e unuhi a hoʻokaʻawaleyttrium oxideme ka maʻemaʻe o 99.99%, e hoʻololi i ke ʻano hoʻololi ion no ka hoʻokaʻawale ʻanayttrium oxide. ʻO ke kumukūʻai i emi iho ma mua o hoʻokahi hapaʻumi o ke ʻano o ke ʻano hoʻololi ion; I ka makahiki 1970, ua hoʻohana ʻia ka unuhi ʻana o P204 ma kahi o ke ʻano recrystallization maʻamau e hana i ka māmā.nā ʻokikene honua laha ʻole; Ka unuhi analanthanum oxideme ka hoʻohana ʻana i ka methyl dimethyl heptyl ester (P350) ma kahi o ke ʻano hana crystallization fractional maʻamau; I ka 1970s, ke kaʻina hana o ka ammonia P507 unuhi a me ka hookaawale ana ohonua lahanā mea a me ka unuhi ʻana oyttriumme naphthenic acid ua hoohana mua ia ma Kinahonua lahaʻoihana hydrometallurgy; ʻO ka hoʻomohala wikiwiki ʻana o ka ʻenehana unuhi ma Kinahonua lahaʻAʻole hiki ke hoʻokaʻawale ʻia ka ʻoihana mai ka hana ikaika a Yuan Chengye a me nā hoa ʻē aʻe mai ka Chinese Academy of Science Shanghai Institute of Organic Chemistry. ʻO nā extractants like ʻole (e like me P204, P350, P507, a me nā mea ʻē aʻe) i noiʻi maikaʻi ʻia ua hoʻohana nui ʻia i ka ʻoihana; ʻO ke kumumanaʻo cascade extraction i manaʻo ʻia a paipai ʻia e Professor Xu Guangxian o ke Kulanui o Peking i nā makahiki 1970 he alakaʻi alakaʻi i ka ʻenehana unuhi a me ka hoʻokaʻawale ʻana o Kina. I ka manawa like, ua noi ʻia kahi kaʻina hoʻokaʻawale i hoʻohana ʻia me ka hoʻohana ʻana i ke kumumanaʻo cascade extraction a hoʻohana nui ʻia i kahonua lahaʻoihana unuhi a hoʻokaʻawale.
I loko o nā makahiki he 40 i hala iho nei, ua hoʻokō ʻo Kina i nā hana kupaianaha he nui ma ke kahua ohonua lahaka hookaawale ana a me ka hoomaemae ana.
I ka makahiki 1960, ua aʻo maikaʻi ʻo Beijing Nonferrous Metals Research Institute i ke ʻano o ka hoʻohaʻahaʻa ʻana i ka pauka zinc e hana i ka maʻemaʻe kiʻekiʻe.europium oxide, ʻo ia ka manawa mua ma Kina e hana i nā huahana ʻoi aku ma mua o 99.99%. Hoʻohana mau ʻia kēia ʻano hana ma nā ʻano like ʻolenā ʻāina laha ʻolea puni ka ʻāina i hoʻohana ʻia e ka hale hana; Ua hui pū ʻo Shanghai Yuelong Chemical Plant, Fudan University, a me Beijing General Institute of Nonferrous Metals e hoʻohana mua i kahi kaʻina hoʻololi ion extraction e hoʻonui i ka N263 me P204 a unuhi a hoʻomaʻemaʻe e loaʻa ai ka 99.95% maʻemaʻe.yttrium oxide. I ka makahiki 1970, ua hoʻohana ʻia ʻo P204 e hoʻonui i ka N263 a loaʻayttrium oxideme ka hoʻomaʻemaʻe ma luna o 99.99% ma o ke kiʻi lua a me ka hoʻomaʻemaʻe.
Mai ka makahiki 1967 a hiki i ka makahiki 1968, ua hui pū ka mea kanu hoʻokolohua o Jiangxi 801 Factory a me Beijing Nonferrous Metals Research Institute e aʻo maikaʻi i ke kaʻina hana o ka hoʻohana ʻana i ka P204 extraction grouping - N263 extraction to extract yttrium oxide. I Dekemaba 1968, he 3-ton/makahiki yyttrium oxidekūkulu hale hana hana, me ka maemae o 99% oyttrium oxide.
Ma 1972, ua hoʻokumu ʻia kahi hui noiʻi e nā hui ʻehā, me Beijing Nonferrous Metals Research Institute, Jiangxi 806 Factory, Jiangxi Nonferrous Metallurgy Research Institute, a me Changsha Nonferrous Metallurgy Design Institute. Ma hope o ʻelua makahiki o nā hoʻokolohua noiʻi hui ma Beijing Nonferrous Metals Research Institute, ke kaʻina o ka unuhi ʻanayttrium oxideUa aʻo maikaʻi ʻia ka hoʻohana ʻana i ka waika naphthenic ma ke ʻano he extractant a me ka waiʻona hui ʻia ma ke ʻano he diluent.
I ka makahiki 1974, ua ʻike ʻo Changchun Institute of Applied Chemistry no ka manawa mua i ka wā e hoʻokaʻawale ai.honua lahanā mea me ka hoʻohana ʻana i ka naphthenic acid extraction,yttriumaia ma ke alo olanthanum, ʻo ia ka mea liʻiliʻi loa e hiki ke unuhi ʻia i nā mea honua laha. No laila, he ʻenehana no ka hoʻokaʻawale ʻanayttrium oxideua hoʻohana ʻia ka hoʻohana ʻana i ka naphthenic acid extraction mai ka ʻōnaehana waikawa nitric. I ka manawa like, ua hana ka Beijing Nonferrous Metals Research Institute i ka noiʻi e pili ana i ka hoʻokaʻawale ʻana oyttrium oxidemai nā ʻōnaehana waika hydrochloric e hoʻohana ana i ka waika naphthenic, a ua hoʻonui ʻia nā hoʻokolohua ma Nanchang 603 Plant a me Jiujiang 806 Plant ma 1975, me ka hoʻohana ʻana iā Longnan hui ʻia.ʻohe lepo lāʻaue like me ka mea maka. Ma 1974, hui pū ʻo Shanghai Yuelong Chemical Plant, Fudan University, a me Beijing Nonferrous Metals Research Institute e aʻo i ka hoʻokaʻawale ʻana oyttrium oxidae mai monazite Ka huikauhonua lahaʻeleʻeleyttriumhoʻohana ʻo columbium ore i ka mea kaumahahonua lahaunuhi ʻia a hui pū ʻia e P204 e like me ka mea maka, ayttrium oxidahoʻokaʻawale ʻia e ka ʻili o ka waika naphthenic. Ua mālama ʻia kahi hoʻokūkū hoaloha ma nā ʻaoʻao ʻekolu, kahi i hoʻololi ai nā mea a pau i ka naʻauao, aʻo ʻia mai nā ikaika a me nā nāwaliwali o kēlā me kēia, a ma hope o ka hoʻopaʻa ʻana i ka naphthenic acid extraction a me ka hoʻokaʻawale ʻana o 99.99%yttrium oxidae me na ano Pake.
Mai 1974 a i 1975, ua hui pū ʻo Nanchang 603 Factory me Changchun Institute of Applied Chemistry, Beijing General Institute of Non ferrous Metals, Jiangxi Institute of Non ferrous Metallurgy, a me nā ʻāpana ʻē aʻe e aʻo maikaʻi i ke kolu o ka hanauna.yttrium oxidae kaʻina hana hoʻoheheʻe - naphthenic acid hoʻokahi ʻanuʻu a me ka unuhi ʻana o ka maʻemaʻe kiʻekiʻeyttrium oxidae. Ua hoʻohana ʻia ke kaʻina hana i ka makahiki 1976.
I ka Lahui muaHonua LakaʻikaʻiExtraction Conference i malamaia ma Baotou i ka makahiki 1976, Mr. Xu Guangxian manao i ka manao o ka cascade extraction. I ka makahiki 1977, ka "National Symposium onHonua LakaʻikaʻiUa mālama ʻia ka Extraction Cascade Theory and Practice" ma Shanghai Yuelong Chemical Plant, e hāʻawi ana i kahi hoʻolauna ʻōnaehana a piha i kēia kumumanaʻo. Ma hope mai, ua hoʻohana nui ʻia ke kumumanaʻo cascade extraction i ka noiʻi a me ka hana ʻana i ka hoʻokaʻawale ʻana a me ka hoʻomaʻemaʻe honua.
I ka makahiki 1976, ua hoʻohana ka Beijing Nonferrous Metals Research Institute i ka Baotou ore i hui pū ʻia mehonua lahae unuhiceriummai ka mea waiwai. Ua hoʻohana ʻia ke ʻano unuhi ʻo N263 e hoʻokaʻawalelanthanum praseodymium neodymium. ʻEkolu huahana i hoʻokaʻawale ʻia i hoʻokahi unuhi, a me ka maʻemaʻe olanthanum oxide, praseodymium oxide, aneodymium oxidema kahi o 90%.
Mai 1979 a i 1983, BaotouHonua LakaʻikaʻiUa hoʻomohala ʻo Research Institute a me Beijing Nonferrous Metals Research Institute i kahi P507 hydrochloric acid systemhonua lahakaʻina hana hoʻokaʻawale me ka hoʻohana ʻana i ka Baotou rare earth ore ma ke ʻano he maka no ka loaʻa ʻana o ʻeonohonua lahahuahana (maemae 99% i 99.95%) olanthanum, cerium, praseodymium, neodymium, samarium, agadolinium, a ʻo kekahieuropiumahoʻopaʻapaʻahuahana waiwai. He pōkole ke kaʻina hana, hoʻomau, a ʻoi aku ka maʻemaʻe o ka huahana.
I ka makahiki 1980, ua hui pū ʻo Beijing Nonferrous Metals Research Institute me Jiujiang Nonferrous Metals Smelter, Changchun Institute of Applied Chemistry, a me Jiangxi 603 Factory e hoʻokō i ka noiʻi "Sixth Five Year Plan" a ua hoʻomohala maikaʻi i kahi ʻenehana kaʻina no ka hoʻokaʻawale ʻana i ka hoʻokahi.honua lahahui ʻia nā mea mai Longnanhonua lahae hoʻohana ana i ka P507 hydrochloric acid system.
I ka makahiki 1983, ua hoʻohana ka Jiujiang Nonferrous Metals Smelter i ka ʻenehana kaʻina hana o Beijing Nonferrous Metals Research Institute's "naphthenic acid hydrochloric acid system e hana i ka fluorescent grade.yttrium oxidemai Longnan i hui pū ʻia me ka ʻāina laha ʻole” e hana i ka pae fluorescentyttrium oxide, e hoemi ana i ke kumukuai oyttrium oxidea me ka halawai ana i ke koi noyttrium oxideno ke kelepona kala ma Kina.
I ka makahiki 1984, ua aʻo maikaʻi ʻo Beijing General Institute of Non ferrous Metals i ka hoʻokaʻawale ʻana o ka maʻemaʻe kiʻekiʻe.terbium oxideme ka hoʻohana ʻana i ka resin extract P507hoʻopaʻapaʻanā mea waiwai e like me nā mea maka ma Kina.
I ka makahiki 1985, ua hoʻololi ʻo Beijing Nonferrous Metals Research Institute i ka naphthenic acid extraction separation fluorescent grade.yttrium oxideʻenehana kaʻina hana i ka Repubalika Democratic Kelemania mua no 1.71 miliona Swiss francs, ʻo ia ka mea muahonua lahaʻenehana kaʻina hana hoʻokaʻawale i lawe ʻia e Kina.
Mai ka makahiki 1984 a hiki i ka makahiki 1986, ua hoʻopau ʻo Peking University i nā hoʻokolohua ʻoihana e pili ana i ka unuhi ʻana a me ka hoʻokaʻawale ʻana o La/CePr/Nd a me La/Ce/Pr ma ka ʻōnaehana P507-HCl ma ke kolu.Honua LakaʻikaʻiMea kanu o Baosteel. ʻOi aku ma mua o 98%praseodymium oxide, 99.5%lanthanum oxide, ʻoi aku ma mua o 85%cerium oxide, a me 99%neodymium oxideua loaa. I ka makahiki 1986, ua noi ʻo Shanghai Yuelong Chemical Plant i ka manaʻo hoʻolālā optimization o ke kaʻina hoʻoheheʻe puka ʻekolu, he mea i hoʻokō ʻia o ke kumumanaʻo cascade extraction theory o ke Kulanui o Peking, e hana i kahi hoʻokolohua ʻenehana puka ʻekolu i ka ʻōnaehana P507-HCl hou i kūkulu ʻia i ke kaʻina hoʻokaʻawale honua. Ua hoʻonui pololei ka pālākiō hoʻokolohua ʻenehana i ka hoʻolālā ʻana o ka cascade extraction theory i 100 tons, e hoʻopōkole loa i ka pōʻai o ka hoʻohana ʻana i ke kaʻina hana hou i ka hana.
Mai 1986 a i 1989, Baotou Rare Earth Research Institute, Jiangxi 603 Factory, a me Beijing Nonferrous Metals Research Institute i hoʻomohala i ka P507-HCl system multi outlet extraction process, e hiki ai i ka hana like ʻana o 3-5 mau huahana laha ʻole ma o hoʻokahi unuhi hakina. ʻO ke kaʻina hana he pōkole, uku-pono, a maʻalahi.
Mai 1990 a i 1995, Beijing Nonferrous Metals Research Institute a me BaotouHonua LakaʻikaʻiUa hui pū ka Research Institute no ka hoʻokō ʻana i ka papahana noiʻi ʻepekema a me ka ʻenehana "Research on High Purity Single" aupuni "Eighth Five Year Plan".Honua Lakaʻikaʻiʻenehana hoʻoheheʻe ʻia”. He ʻumikūmāono hoʻokahiʻohe lepo lāʻauUa hoʻomākaukau ʻia nā huahana me ka maʻemaʻe ma mua o 99.999% a hiki i ka 99.9999% me ka hoʻohana ʻana i ke ʻano unuhi, ke ʻano chromatography extraction, ke ʻano redox, a me ke ʻano cation exchange fiber chromatography, kēlā me kēia. Ua hōʻea kēia kaʻina hana i ka pae kiʻekiʻe o ka honua a lanakila i ka National "Eighth Five Year Plan" Major Achievement Award.
I ka makahiki 2000, ua hoʻomohala maikaʻi ʻo Beijing Nonferrous Metals Research Institute i ke ʻano electrolytic reduction alkalinity e hoʻomākaukau ai i ka maʻemaʻe kiʻekiʻe.europium oxide. Ma muli o ka pale ʻana i ka haumia o ka pauka zinc ma ka huahana, hiki i kēia kaʻina hana ke unuhieuropium oxideme ka maemae o 5N-6N i ka hele hookahi. I ka makahiki 2001, he laina hana makahiki o 18 tons o ka maemae kiʻekiʻeeuropium oxideua kūkulu ʻia ma GansuHonua LakaʻikaʻiʻO ka hui a hoʻokomo i ka hana i kēlā makahiki.
I ka hōʻuluʻulu ʻana, ʻo Kinahonua lahahiki ke ʻōlelo ʻia ka ʻenehana hoʻokaʻawale a me ka hoʻomaʻemaʻe ʻana i ke alakaʻi i ka honua, e like me ka naphthenic acid extraction separation oyttrium oxideʻoi aku ka nui ma mua o 5N, P507 ʻano unuhi no ka hoʻomākaukau ʻanalanthanum oxideʻoi aku ka nui ma mua o 5N, ke ʻano hoʻemi electrolytic hoʻemi a i ʻole ke ala alkalinity no ka hoʻomākaukau ʻanaeuropium oxideʻoi aku ka nui ma mua o 5N, a me nā mea ʻē aʻe. Eia naʻe, ʻoi aku ka haʻahaʻa o ke kiʻekiʻe o ka mana automation i ka ʻoihana hoʻokaʻawale a me ka hoʻomaʻemaʻe ʻana, a ʻo kekahi mau ʻoihana ʻoi aku ka maikaʻi ʻole o ke kūpaʻa a me ka kūlike o ka maʻemaʻe kiʻekiʻe.honua lahahuahana. No laila, pono e hoʻomaikaʻi hou i ka pae o nā mea hana o nā ʻoihana.
Ka manawa hoʻouna: Nov-02-2023