Kubva kuma1950, Chineserare pasiSainzi uye tekinoroji vashandi vakaita tsvakiridzo yakakura uye budiriro panzira yekubvisa solvent yekuparadzanisarare pasizvinhu, uye vakawana mibairo mizhinji yekutsvagisa kwesainzi, iyo yakashandiswa zvakanyanya mukugadzirwa kwepasi kwemaindasitiri. Muna 1970, N263 yakashandiswa zvakabudirira muindasitiri kubvisa nekuparadzanisayttrium oxidenekuchena kwe99.99%, kutsiva iyo ion shanduko nzira yekuparadzanisayttrium oxide. Mutengo wacho wakanga uri pasi pechikamu chimwe chete chegumi cheiyo nzira yekuchinjanisa ion; Muna 1970, kudhirowa kweP204 kwakashandiswa pachinzvimbo cheiyo classical recrystallization nzira kugadzira mwenjezvisingawanzo pasi oxides; Kubvisalanthanum oxidekushandisa methyl dimethyl heptyl ester (P350) panzvimbo ye classical fractional crystallization method; Mumakore ekuma1970, maitiro eammonia P507 kubudiswa uye kupatsanurwa kwerare pasizvinhu uye kubviswa kweyttriumine naphthenic acid yakatanga kushandiswa muChinarare pasihydrometallurgy industry; Iko kukurumidza kuvandudza tekinoroji yekuchera muChinarare pasiindasitiri haina kupatsanurika kubva mukushanda nesimba kwaYuan Chengye nemamwe makomuredhi kubva kuChinese Academy of Sciences Shanghai Institute of Organic Chemistry. Zvikamu zvakasiyana-siyana (zvakadai seP204, P350, P507, nezvimwewo) zvakabudirira kutsvakurudza zvakashandiswa zvakanyanya mumaindasitiri; Iyo cascade yekubvisa dzidziso yakakurudzirwa uye yakasimudzirwa naProfessor Xu Guangxian wePeking University muma1970s yakaita basa rinotungamira mukudhirowa nekuparadzanisa tekinoroji yeChina. Panguva imwe cheteyo, nzira yekuparadzanisa yakagadziridzwa uchishandisa iyo cascade extraction theory yakatsanangurwa uye yakashandiswa zvakanyanya murare pasiindasitiri yekuchera uye yekuparadzanisa.
Kwemakore makumi mana apfuura, China yakawana zvakawanda zvinoshamisa mundima yerare pasikupatsanurwa nekucheneswa.
Mumakore ekuma1960, Beijing Nonferrous Metals Research Institute yakabudirira kudzidza zinc poda yekudzikisa alkalinity nzira yekuburitsa kuchena kwepamusoro.europium oxide, yaive nguva yekutanga muChina kugadzira zvigadzirwa zvinopfuura 99.99%. Iyi nzira ichiri kushandiswa mune zvakasiyana-siyanarare earthsmunyika yose inoshandiswa nefekitari; Shanghai Yuelong Chemical Plant, Fudan University, uye Beijing General Institute of Nonferrous Metals vakabatana kuti vatange kushandisa nzira yekubvisa ion yekupfumisa N263 neP204 uye kubvisa nekuchenesa kuti vawane kuchena kwe99.95%.yttrium oxide. Muna 1970, P204 yakashandiswa kupfumisa N263 uye kuwanayttrium oxidenekuchena kweinopfuura 99.99% kuburikidza nechikamu chechipiri nekucheneswa.
Kubva 1967 kusvika 1968, chirimwa chekuyedza cheJiangxi 801 Factory neBeijing Nonferrous Metals Research Institute yakabatana kuti ibudirire kudzidza maitiro ekushandisa P204 extraction grouping - N263 yekubvisa kubvisa yttrium oxide. Muna Zvita 1968, 3-ton/gore yyttrium oxidemusangano wekugadzira wakavakwa, nekuchena kwe99% yeyttrium oxide.
Muna 1972, boka rekutsvagisa rakaumbwa nemakambani mana, anosanganisira Beijing Nonferrous Metals Research Institute, Jiangxi 806 Factory, Jiangxi Nonferrous Metallurgy Research Institute, uye Changsha Nonferrous Metallurgy Design Institute. Mushure memakore maviri ekubatana kwekutsvagisa kuyedza kuBeijing Nonferrous Metals Research Institute, maitiro ekubvisayttrium oxidekushandisa naphthenic acid sechinhu chinobvisa uye chakavhenganiswa doro se diluent yakadzidzwa zvakabudirira.
Muna 1974, Changchun Institute of Applied Chemistry akawana kekutanga kuti pakuparadzanisa.rare pasizvinhu zvinoshandisa naphthenic acid kubvisa,yttriumyaive pamberilanthanum, zvichiita kuti ive chinhu chisinganyanyi kutorwa nyore nyore muzvinhu zvisingawanzoitiki zvepasi. Naizvozvo, tekinoroji yekuparadzanisayttrium oxidekushandisa naphthenic acid kutorwa kubva ku nitric acid system yakatsanangurwa. Panguva imwecheteyo, Beijing Nonferrous Metals Research Institute yakaita tsvakurudzo pamusoro pekuparadzaniswa kweyttrium oxidekubva kuhydrochloric acid masisitimu anoshandisa naphthenic acid, uye yakawedzera miedzo yakaitwa muNanchang 603 Plant uye Jiujiang 806 Plant muna 1975, vachishandisa Longnan yakasanganiswa.rare earth oxideas raw material. Muna 1974, Shanghai Yuelong Chemical Plant, Fudan University, uye Beijing Nonferrous Metals Research Institute vakabatana kudzidza kupatsanurwa kweyttrium oxide kubva monazite Musanganiswarare pasiyebrownyttriumcolumbium ore inoshandisa inoremarare pasiyakabviswa uye yakaunganidzwa neP204 seyakagadzirwa, uyeyttrium oxide inoparadzaniswa ne naphthenic acid extract. Makwikwi ehushamwari akaitwa pamativi matatu, apo munhu wese akatsinhanisa huchenjeri, akadzidza kubva kune umwe neumwe kusimba uye kusasimba, uye pakupedzisira akabudirira kudzidza naphthenic acid yekubvisa uye yekuparadzanisa maitiro e99.99%yttrium oxide neChinese maitiro.
Kubva 1974 kusvika 1975, Nanchang 603 Factory yakabatana neChangchun Institute of Applied Chemistry, Beijing General Institute of Non ferrous Metals, Jiangxi Institute of Non ferrous Metallurgy, nezvimwe zvikamu kuti zvibudirire kudzidza chizvarwa chechitatu.yttrium oxide extraction process - naphthenic acid imwe-nhanho kutorwa uye kubviswa kwepamusoro-kuchenayttrium oxide. Iyo nzira yakatanga kushanda muna 1976.
Pakutanga NationalRare EarthMusangano weExtraction wakaitirwa muBaotou muna 1976, VaXu Guangxian vakakurudzira dzidziso yekuchera mapfumo pasi. Muna 1977, iyo "National Symposium pamusoroRare EarthExtraction Cascade Theory and Practice” yakaitwa kuShanghai Yuelong Chemical Plant, ichipa sumo yakarongeka uye yakazara kune iyi dzidziso. Zvadaro, iyo cascade extraction theory yakashandiswa zvakanyanya mukutsvagisa uye kugadzirwa kwepasi risingawanzo kutorwa kupatsanurwa nekucheneswa.
Muna 1976, Beijing Nonferrous Metals Research Institute yakashandisa Baotou ore yakasanganiswarare pasikubvisaceriumkubva pazvinhu zvakafumiswa. Iyo N263 yekubvisa nzira yakashandiswa kupatsanuralanthanum praseodymium neodymium. Zvigadzirwa zvitatu zvakapatsanurwa mune imwe kudhirowa, uye kuchena kwelanthanum oxide, praseodymium oxide,uyeneodymium oxideyaive 90%.
Kubva 1979 kusvika 1983, BaotouRare EarthResearch Institute uye Beijing Nonferrous Metals Research Institute yakagadzira P507 hydrochloric acid systemrare pasikudhirowa kupatsanura maitiro uchishandisa Baotou isingawanzo ivhu ore seyakagadzirwa zvinhu kuwana matanhatu asina kuroorwarare pasizvigadzirwa (kuchena 99% kusvika 99,95%) yelanthanum, cerium, praseodymium, neodymium, samarium,uyegadolinium, naizvozvowoeuropiumuyeterbiumzvigadzirwa zvakapfumiswa. Iyo nzira yaive pfupi, inoenderera, uye kuchena kwechigadzirwa kwaive kwakakwira.
Mukutanga kwema1980, Beijing Nonferrous Metals Research Institute yakabatana neJiujiang Nonferrous Metals Smelter, Changchun Institute of Applied Chemistry, uye Jiangxi 603 Factory kuita tsvakiridzo yenyika ye "Sixth Five Year Plan" uye yakabudirira kugadzira tekinoroji yekuparadzanisa zvizere imwe chete.rare pasizvinhu kubva kuLongnan zvakasanganiswarare pasiuchishandisa iyo P507 hydrochloric acid system.
Muna 1983, Jiujiang Nonferrous Metals Smelter yakagamuchira tekinoroji yeBeijing Nonferrous Metals Research Institute's "naphthenic acid hydrochloric acid system kugadzira fluorescent giredhi."yttrium oxidekubva kuLongnan yakasanganiswa isingawanzo pasi” kuti ibudise giredhi refluorescentyttrium oxide, kuderedza mutengo weyttrium oxideuye kuzadzisa zvinodiwayttrium oxideyeterevhizheni yeruvara muChina.
Muna 1984, Beijing General Institute of Non ferrous Metals vakabudirira kudzidza kupatsanurwa kwepamusoro-kuchena.terbium oxideuchishandisa P507 yekubvisa resin uchishandisaterbiumakapfumisa zvinhu sezviwanikwa muChina.
Muna 1985, Beijing Nonferrous Metals Research Institute yakatamisa iyo naphthenic acid yekubvisa kupatsanura giredhi refluorescent.yttrium oxideprocess tekinoroji kune yaimbova yeGerman Democratic Republic ye1.71 miriyoni Swiss francs, yaive yekutangarare pasiSeparation process tekinoroji inotengeswa kunze kwenyika neChina.
Kubva 1984 kusvika 1986, Peking University yakapedza kuyedza maindasitiri pakubvisa uye kupatsanurwa kweLa/CePr/Nd uye La/Ce/Pr muP507-HCl system paTatu.Rare EarthChirimwa cheBaosteel. Kupfuura 98%praseodymium oxide, 99.5%lanthanum oxide, kupfuura 85%cerium oxideuye 99%neodymium oxidezvakawanikwa. Muna 1986, Shanghai Yuelong Chemical Plant yakashandisa dhizaini yedhizaini yematatu ekuburitsa dhizaini, budiriro yefungidziro yePeking University's cascade extraction theory, kuitisa matatu outlet maindasitiri kuyedza mune ichangobva kuvakwa P507-HCl system chiedza chisingawanzo kupatsanurwa pasi. Chiyero chekuyedza maindasitiri chakawedzera zvakananga dhizaini yekubvisa dhizaini kusvika ku100 matani, ichipfupisa zvakanyanya kutenderera kwekushandisa maitiro matsva mukugadzira.
Kubva 1986 kusvika 1989, Baotou Rare Earth Research Institute, Jiangxi 603 Factory, uye Beijing Nonferrous Metals Research Institute yakagadzira P507-HCl system multi outlet extraction process, iyo inobvumira kugadzirwa panguva imwe chete ye3-5 zvisingawanzo zvigadzirwa zvepasi kuburikidza nechikamu chimwe chete. Iyo nzira ipfupi, inodhura-inoshanda, uye inochinjika.
Kubva 1990 kusvika 1995, Beijing Nonferrous Metals Research Institute uye Baotou.Rare EarthResearch Institute yakabatana kuita chirongwa chenyika che "Eighth Five Year Plan" yesainzi uye tekinoroji yekutsvagisa chirongwa "Ongororo yePamusoro Purity Single.Rare EarthExtraction Technology". Sixteen singlerare earth oxidezvigadzirwa zvine kuchena kukuru kupfuura 99.999% kusvika 99.9999% zvakagadzirirwa uchishandisa nzira yekubvisa, nzira yekubvisa chromatography, redox nzira, uye cation exchange fiber chromatography nzira, zvichiteerana. Chirongwa ichi chasvika padanho repamusoro repasi rose uye chakahwina mubairo weNational “Eighth Five Year Plan” Major Achievement Award.
Muna 2000, Beijing Nonferrous Metals Research Institute yakabudirira kugadzira iyo electrolytic kuderedza alkalinity nzira yekugadzirira kuchena kwepamusoro.europium oxide. Nekuda kwekudzivirira kusvibiswa kwe zinc poda pachigadzirwa, maitiro aya anogona kuburitsaeuropium oxidenekuchena kwe5N-6N mukufamba kumwe chete. Muna 2001, mutsara wegore wekugadzira we18 matani epamusoro-kuchenaeuropium oxideyakavakwa paGansuRare EarthCompany uye yakaiswa kushanda gore iroro.
Muchidimbu, Chinarare pasikupatsanurwa uye tekinoroji yekuchenesa inogona kunzi iri kutungamira munyika, senge naphthenic acid yekubvisa kupatsanurwa kweyttrium oxideyakakura kupfuura 5N, P507 yekubvisa nzira yekugadziriralanthanum oxideyakakura kupfuura 5N, electrolytic yekudzikisa yekubvisa nzira kana alkalinity nzira yekugadziriraeuropium oxideyakakura kupfuura 5N, nezvimwewo, chiyero che automation control muindasitiri yekuparadzanisa uye yekuchenesa yakaderera, uye mamwe mabhizinesi ane hurombo husina kugadzikana uye kuenderana kwekuchena kwepamusoro.rare pasizvigadzirwa. Naizvozvo, zvinodikanwa kuti uwedzere kuvandudza chiyero chemidziyo yemabhizinesi.
Nguva yekutumira: Nov-02-2023